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27,500
atomix/atomix
core/src/main/java/io/atomix/core/AtomixConfig.java
AtomixConfig.setPartitionGroups
public AtomixConfig setPartitionGroups(Map<String, PartitionGroupConfig<?>> partitionGroups) { partitionGroups.forEach((name, group) -> group.setName(name)); this.partitionGroups = partitionGroups; return this; }
java
public AtomixConfig setPartitionGroups(Map<String, PartitionGroupConfig<?>> partitionGroups) { partitionGroups.forEach((name, group) -> group.setName(name)); this.partitionGroups = partitionGroups; return this; }
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Sets the partition group configurations. @param partitionGroups the partition group configurations @return the Atomix configuration
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/core/src/main/java/io/atomix/core/AtomixConfig.java#L123-L127
27,501
atomix/atomix
core/src/main/java/io/atomix/core/AtomixConfig.java
AtomixConfig.getPrimitiveDefault
@SuppressWarnings("unchecked") public <C extends PrimitiveConfig<C>> C getPrimitiveDefault(String name) { return (C) primitiveDefaults.get(name); }
java
@SuppressWarnings("unchecked") public <C extends PrimitiveConfig<C>> C getPrimitiveDefault(String name) { return (C) primitiveDefaults.get(name); }
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Returns a default primitive configuration. @param name the primitive name @param <C> the configuration type @return the primitive configuration
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/core/src/main/java/io/atomix/core/AtomixConfig.java#L167-L170
27,502
atomix/atomix
core/src/main/java/io/atomix/core/AtomixConfig.java
AtomixConfig.addPrimitive
public AtomixConfig addPrimitive(String name, PrimitiveConfig config) { primitives.put(name, config); return this; }
java
public AtomixConfig addPrimitive(String name, PrimitiveConfig config) { primitives.put(name, config); return this; }
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Adds a primitive configuration. @param name the primitive name @param config the primitive configuration @return the primitive configuration holder
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/core/src/main/java/io/atomix/core/AtomixConfig.java#L199-L202
27,503
atomix/atomix
core/src/main/java/io/atomix/core/AtomixConfig.java
AtomixConfig.getPrimitive
@SuppressWarnings("unchecked") public <C extends PrimitiveConfig<C>> C getPrimitive(String name) { return (C) primitives.get(name); }
java
@SuppressWarnings("unchecked") public <C extends PrimitiveConfig<C>> C getPrimitive(String name) { return (C) primitives.get(name); }
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Returns a primitive configuration. @param name the primitive name @param <C> the configuration type @return the primitive configuration
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/core/src/main/java/io/atomix/core/AtomixConfig.java#L211-L214
27,504
atomix/atomix
protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java
RaftServiceManager.isRunningOutOfDiskSpace
private boolean isRunningOutOfDiskSpace() { // If there's not enough space left to allocate two log segments return raft.getStorage().statistics().getUsableSpace() < raft.getStorage().maxLogSegmentSize() * SEGMENT_BUFFER_FACTOR // Or the used disk percentage has surpassed the free disk buffer percentage || raft.getStorage().statistics().getUsableSpace() / (double) raft.getStorage().statistics().getTotalSpace() < raft.getStorage().freeDiskBuffer(); }
java
private boolean isRunningOutOfDiskSpace() { // If there's not enough space left to allocate two log segments return raft.getStorage().statistics().getUsableSpace() < raft.getStorage().maxLogSegmentSize() * SEGMENT_BUFFER_FACTOR // Or the used disk percentage has surpassed the free disk buffer percentage || raft.getStorage().statistics().getUsableSpace() / (double) raft.getStorage().statistics().getTotalSpace() < raft.getStorage().freeDiskBuffer(); }
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Returns a boolean indicating whether the node is running out of disk space.
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java#L118-L123
27,505
atomix/atomix
protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java
RaftServiceManager.isRunningOutOfMemory
private boolean isRunningOutOfMemory() { StorageLevel level = raft.getStorage().storageLevel(); if (level == StorageLevel.MEMORY || level == StorageLevel.MAPPED) { long freeMemory = raft.getStorage().statistics().getFreeMemory(); long totalMemory = raft.getStorage().statistics().getTotalMemory(); if (freeMemory > 0 && totalMemory > 0) { return freeMemory / (double) totalMemory < raft.getStorage().freeMemoryBuffer(); } } return false; }
java
private boolean isRunningOutOfMemory() { StorageLevel level = raft.getStorage().storageLevel(); if (level == StorageLevel.MEMORY || level == StorageLevel.MAPPED) { long freeMemory = raft.getStorage().statistics().getFreeMemory(); long totalMemory = raft.getStorage().statistics().getTotalMemory(); if (freeMemory > 0 && totalMemory > 0) { return freeMemory / (double) totalMemory < raft.getStorage().freeMemoryBuffer(); } } return false; }
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Returns a boolean indicating whether the node is running out of memory.
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java#L128-L138
27,506
atomix/atomix
protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java
RaftServiceManager.takeSnapshots
private CompletableFuture<Void> takeSnapshots(boolean rescheduleAfterCompletion, boolean force) { // If compaction is already in progress, return the existing future and reschedule if this is a scheduled compaction. if (compactFuture != null) { if (rescheduleAfterCompletion) { compactFuture.whenComplete((r, e) -> scheduleSnapshots()); } return compactFuture; } long lastApplied = raft.getLastApplied(); // Only take snapshots if segments can be removed from the log below the lastApplied index. if (raft.getLog().isCompactable(lastApplied) && raft.getLog().getCompactableIndex(lastApplied) > lastCompacted) { // Determine whether the node is running out of disk space. boolean runningOutOfDiskSpace = isRunningOutOfDiskSpace(); // Determine whether the node is running out of memory. boolean runningOutOfMemory = isRunningOutOfMemory(); // If compaction is not already being forced... if (!force // And the node isn't running out of memory (we need to free up memory if it is)... && !runningOutOfMemory // And dynamic compaction is enabled (we need to compact immediately if it's disabled)... && raft.getStorage().dynamicCompaction() // And the node isn't running out of disk space (we need to compact immediately if it is)... && !runningOutOfDiskSpace // And the server is under high load (we can skip compaction at this point)... && raft.getLoadMonitor().isUnderHighLoad()) { // We can skip taking a snapshot for now. logger.debug("Skipping compaction due to high load"); if (rescheduleAfterCompletion) { scheduleSnapshots(); } return CompletableFuture.completedFuture(null); } logger.debug("Snapshotting services"); // Update the index at which the log was last compacted. this.lastCompacted = lastApplied; // We need to ensure that callbacks added to the compaction future are completed in the order in which they // were added in order to preserve the order of retries when appending to the log. compactFuture = new OrderedFuture<>(); // Wait for snapshots in all state machines to be completed before compacting the log at the last applied index. takeSnapshots().whenComplete((snapshot, error) -> { if (error == null) { scheduleCompletion(snapshot.persist()); } }); // Reschedule snapshots after completion if necessary. if (rescheduleAfterCompletion) { compactFuture.whenComplete((r, e) -> scheduleSnapshots()); } return compactFuture; } // Otherwise, if the log can't be compacted anyways, just reschedule snapshots. else { if (rescheduleAfterCompletion) { scheduleSnapshots(); } return CompletableFuture.completedFuture(null); } }
java
private CompletableFuture<Void> takeSnapshots(boolean rescheduleAfterCompletion, boolean force) { // If compaction is already in progress, return the existing future and reschedule if this is a scheduled compaction. if (compactFuture != null) { if (rescheduleAfterCompletion) { compactFuture.whenComplete((r, e) -> scheduleSnapshots()); } return compactFuture; } long lastApplied = raft.getLastApplied(); // Only take snapshots if segments can be removed from the log below the lastApplied index. if (raft.getLog().isCompactable(lastApplied) && raft.getLog().getCompactableIndex(lastApplied) > lastCompacted) { // Determine whether the node is running out of disk space. boolean runningOutOfDiskSpace = isRunningOutOfDiskSpace(); // Determine whether the node is running out of memory. boolean runningOutOfMemory = isRunningOutOfMemory(); // If compaction is not already being forced... if (!force // And the node isn't running out of memory (we need to free up memory if it is)... && !runningOutOfMemory // And dynamic compaction is enabled (we need to compact immediately if it's disabled)... && raft.getStorage().dynamicCompaction() // And the node isn't running out of disk space (we need to compact immediately if it is)... && !runningOutOfDiskSpace // And the server is under high load (we can skip compaction at this point)... && raft.getLoadMonitor().isUnderHighLoad()) { // We can skip taking a snapshot for now. logger.debug("Skipping compaction due to high load"); if (rescheduleAfterCompletion) { scheduleSnapshots(); } return CompletableFuture.completedFuture(null); } logger.debug("Snapshotting services"); // Update the index at which the log was last compacted. this.lastCompacted = lastApplied; // We need to ensure that callbacks added to the compaction future are completed in the order in which they // were added in order to preserve the order of retries when appending to the log. compactFuture = new OrderedFuture<>(); // Wait for snapshots in all state machines to be completed before compacting the log at the last applied index. takeSnapshots().whenComplete((snapshot, error) -> { if (error == null) { scheduleCompletion(snapshot.persist()); } }); // Reschedule snapshots after completion if necessary. if (rescheduleAfterCompletion) { compactFuture.whenComplete((r, e) -> scheduleSnapshots()); } return compactFuture; } // Otherwise, if the log can't be compacted anyways, just reschedule snapshots. else { if (rescheduleAfterCompletion) { scheduleSnapshots(); } return CompletableFuture.completedFuture(null); } }
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Takes a snapshot of all services and compacts logs if the server is not under high load or disk needs to be freed.
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java#L159-L226
27,507
atomix/atomix
protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java
RaftServiceManager.takeSnapshots
private CompletableFuture<Snapshot> takeSnapshots() { ComposableFuture<Snapshot> future = new ComposableFuture<>(); stateContext.execute(() -> { try { future.complete(snapshot()); } catch (Exception e) { future.completeExceptionally(e); } }); return future; }
java
private CompletableFuture<Snapshot> takeSnapshots() { ComposableFuture<Snapshot> future = new ComposableFuture<>(); stateContext.execute(() -> { try { future.complete(snapshot()); } catch (Exception e) { future.completeExceptionally(e); } }); return future; }
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Takes and persists snapshots of provided services. @return future to be completed once all snapshots have been completed
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java#L233-L243
27,508
atomix/atomix
protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java
RaftServiceManager.scheduleCompletion
private void scheduleCompletion(Snapshot snapshot) { stateContext.schedule(SNAPSHOT_COMPLETION_DELAY, () -> { if (completeSnapshot(snapshot.index())) { logger.debug("Completing snapshot {}", snapshot.index()); snapshot.complete(); // If log compaction is being forced, immediately compact the logs. if (!raft.getLoadMonitor().isUnderHighLoad() || isRunningOutOfDiskSpace() || isRunningOutOfMemory()) { compactLogs(snapshot.index()); } else { scheduleCompaction(snapshot.index()); } } else { scheduleCompletion(snapshot); } }); }
java
private void scheduleCompletion(Snapshot snapshot) { stateContext.schedule(SNAPSHOT_COMPLETION_DELAY, () -> { if (completeSnapshot(snapshot.index())) { logger.debug("Completing snapshot {}", snapshot.index()); snapshot.complete(); // If log compaction is being forced, immediately compact the logs. if (!raft.getLoadMonitor().isUnderHighLoad() || isRunningOutOfDiskSpace() || isRunningOutOfMemory()) { compactLogs(snapshot.index()); } else { scheduleCompaction(snapshot.index()); } } else { scheduleCompletion(snapshot); } }); }
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Schedules a completion check for the snapshot at the given index. @param snapshot the snapshot to complete
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java#L250-L265
27,509
atomix/atomix
protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java
RaftServiceManager.scheduleCompaction
private void scheduleCompaction(long lastApplied) { // Schedule compaction after a randomized delay to discourage snapshots on multiple nodes at the same time. logger.trace("Scheduling compaction in {}", COMPACT_DELAY); stateContext.schedule(COMPACT_DELAY, () -> compactLogs(lastApplied)); }
java
private void scheduleCompaction(long lastApplied) { // Schedule compaction after a randomized delay to discourage snapshots on multiple nodes at the same time. logger.trace("Scheduling compaction in {}", COMPACT_DELAY); stateContext.schedule(COMPACT_DELAY, () -> compactLogs(lastApplied)); }
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Schedules a log compaction. @param lastApplied the last applied index at the start of snapshotting. This represents the highest index before which segments can be safely removed from disk
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java#L273-L277
27,510
atomix/atomix
protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java
RaftServiceManager.compactLogs
private void compactLogs(long compactIndex) { raft.getThreadContext().execute(() -> { logger.debug("Compacting logs up to index {}", compactIndex); try { raft.getLog().compact(compactIndex); } catch (Exception e) { logger.error("An exception occurred during log compaction: {}", e); } finally { this.compactFuture.complete(null); this.compactFuture = null; // Immediately attempt to take new snapshots since compaction is already run after a time interval. takeSnapshots(false, false); } }); }
java
private void compactLogs(long compactIndex) { raft.getThreadContext().execute(() -> { logger.debug("Compacting logs up to index {}", compactIndex); try { raft.getLog().compact(compactIndex); } catch (Exception e) { logger.error("An exception occurred during log compaction: {}", e); } finally { this.compactFuture.complete(null); this.compactFuture = null; // Immediately attempt to take new snapshots since compaction is already run after a time interval. takeSnapshots(false, false); } }); }
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Compacts logs up to the given index. @param compactIndex the index to which to compact logs
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java#L284-L298
27,511
atomix/atomix
protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java
RaftServiceManager.applyIndex
@SuppressWarnings("unchecked") private void applyIndex(long index) { // Apply entries prior to this entry. if (reader.hasNext() && reader.getNextIndex() == index) { // Read the entry from the log. If the entry is non-null then apply it, otherwise // simply update the last applied index and return a null result. Indexed<RaftLogEntry> entry = reader.next(); try { if (entry.index() != index) { throw new IllegalStateException("inconsistent index applying entry " + index + ": " + entry); } CompletableFuture future = futures.remove(index); apply(entry).whenComplete((r, e) -> { raft.setLastApplied(index); if (future != null) { if (e == null) { future.complete(r); } else { future.completeExceptionally(e); } } }); } catch (Exception e) { logger.error("Failed to apply {}: {}", entry, e); } } else { CompletableFuture future = futures.remove(index); if (future != null) { logger.error("Cannot apply index " + index); future.completeExceptionally(new IndexOutOfBoundsException("Cannot apply index " + index)); } } }
java
@SuppressWarnings("unchecked") private void applyIndex(long index) { // Apply entries prior to this entry. if (reader.hasNext() && reader.getNextIndex() == index) { // Read the entry from the log. If the entry is non-null then apply it, otherwise // simply update the last applied index and return a null result. Indexed<RaftLogEntry> entry = reader.next(); try { if (entry.index() != index) { throw new IllegalStateException("inconsistent index applying entry " + index + ": " + entry); } CompletableFuture future = futures.remove(index); apply(entry).whenComplete((r, e) -> { raft.setLastApplied(index); if (future != null) { if (e == null) { future.complete(r); } else { future.completeExceptionally(e); } } }); } catch (Exception e) { logger.error("Failed to apply {}: {}", entry, e); } } else { CompletableFuture future = futures.remove(index); if (future != null) { logger.error("Cannot apply index " + index); future.completeExceptionally(new IndexOutOfBoundsException("Cannot apply index " + index)); } } }
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Applies the next entry in the log up to the given index. @param index the index up to which to apply the entry
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java#L353-L385
27,512
atomix/atomix
protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java
RaftServiceManager.snapshot
Snapshot snapshot() { Snapshot snapshot = raft.getSnapshotStore().newTemporarySnapshot(raft.getLastApplied(), new WallClockTimestamp()); try (SnapshotWriter writer = snapshot.openWriter()) { for (RaftServiceContext service : raft.getServices()) { writer.buffer().mark(); SnapshotWriter serviceWriter = new SnapshotWriter(writer.buffer().writeInt(0).slice(), writer.snapshot()); snapshotService(serviceWriter, service); int length = serviceWriter.buffer().position(); writer.buffer().reset().writeInt(length).skip(length); } } catch (Exception e) { snapshot.close(); logger.error("Failed to snapshot services", e); throw e; } return snapshot; }
java
Snapshot snapshot() { Snapshot snapshot = raft.getSnapshotStore().newTemporarySnapshot(raft.getLastApplied(), new WallClockTimestamp()); try (SnapshotWriter writer = snapshot.openWriter()) { for (RaftServiceContext service : raft.getServices()) { writer.buffer().mark(); SnapshotWriter serviceWriter = new SnapshotWriter(writer.buffer().writeInt(0).slice(), writer.snapshot()); snapshotService(serviceWriter, service); int length = serviceWriter.buffer().position(); writer.buffer().reset().writeInt(length).skip(length); } } catch (Exception e) { snapshot.close(); logger.error("Failed to snapshot services", e); throw e; } return snapshot; }
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Takes snapshots for the given index.
[ "Takes", "snapshots", "for", "the", "given", "index", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java#L452-L468
27,513
atomix/atomix
protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java
RaftServiceManager.snapshotService
private void snapshotService(SnapshotWriter writer, RaftServiceContext service) { writer.writeLong(service.serviceId().id()); writer.writeString(service.serviceType().name()); writer.writeString(service.serviceName()); byte[] config = Serializer.using(service.serviceType().namespace()).encode(service.serviceConfig()); writer.writeInt(config.length).writeBytes(config); try { service.takeSnapshot(writer); } catch (Exception e) { logger.error("Failed to take snapshot of service {}", service.serviceId(), e); } }
java
private void snapshotService(SnapshotWriter writer, RaftServiceContext service) { writer.writeLong(service.serviceId().id()); writer.writeString(service.serviceType().name()); writer.writeString(service.serviceName()); byte[] config = Serializer.using(service.serviceType().namespace()).encode(service.serviceConfig()); writer.writeInt(config.length).writeBytes(config); try { service.takeSnapshot(writer); } catch (Exception e) { logger.error("Failed to take snapshot of service {}", service.serviceId(), e); } }
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Takes a snapshot of the given service. @param writer the snapshot writer @param service the service to snapshot
[ "Takes", "a", "snapshot", "of", "the", "given", "service", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java#L476-L487
27,514
atomix/atomix
protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java
RaftServiceManager.install
void install(Snapshot snapshot) { logger.debug("Installing snapshot {}", snapshot); try (SnapshotReader reader = snapshot.openReader()) { while (reader.hasRemaining()) { try { int length = reader.readInt(); if (length > 0) { SnapshotReader serviceReader = new SnapshotReader(reader.buffer().slice(length), reader.snapshot()); installService(serviceReader); reader.skip(length); } } catch (Exception e) { logger.error("Failed to read snapshot", e); } } } }
java
void install(Snapshot snapshot) { logger.debug("Installing snapshot {}", snapshot); try (SnapshotReader reader = snapshot.openReader()) { while (reader.hasRemaining()) { try { int length = reader.readInt(); if (length > 0) { SnapshotReader serviceReader = new SnapshotReader(reader.buffer().slice(length), reader.snapshot()); installService(serviceReader); reader.skip(length); } } catch (Exception e) { logger.error("Failed to read snapshot", e); } } } }
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Prepares sessions for the given index. @param snapshot the snapshot to install
[ "Prepares", "sessions", "for", "the", "given", "index", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java#L494-L510
27,515
atomix/atomix
protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java
RaftServiceManager.installService
private void installService(SnapshotReader reader) { PrimitiveId primitiveId = PrimitiveId.from(reader.readLong()); try { PrimitiveType primitiveType = raft.getPrimitiveTypes().getPrimitiveType(reader.readString()); String serviceName = reader.readString(); byte[] serviceConfig = reader.readBytes(reader.readInt()); // Get or create the service associated with the snapshot. logger.debug("Installing service {} {}", primitiveId, serviceName); RaftServiceContext service = initializeService(primitiveId, primitiveType, serviceName, serviceConfig); if (service != null) { try { service.installSnapshot(reader); } catch (Exception e) { logger.error("Failed to install snapshot for service {}", serviceName, e); } } } catch (ConfigurationException e) { logger.error(e.getMessage(), e); } }
java
private void installService(SnapshotReader reader) { PrimitiveId primitiveId = PrimitiveId.from(reader.readLong()); try { PrimitiveType primitiveType = raft.getPrimitiveTypes().getPrimitiveType(reader.readString()); String serviceName = reader.readString(); byte[] serviceConfig = reader.readBytes(reader.readInt()); // Get or create the service associated with the snapshot. logger.debug("Installing service {} {}", primitiveId, serviceName); RaftServiceContext service = initializeService(primitiveId, primitiveType, serviceName, serviceConfig); if (service != null) { try { service.installSnapshot(reader); } catch (Exception e) { logger.error("Failed to install snapshot for service {}", serviceName, e); } } } catch (ConfigurationException e) { logger.error(e.getMessage(), e); } }
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Restores the service associated with the given snapshot. @param reader the snapshot reader
[ "Restores", "the", "service", "associated", "with", "the", "given", "snapshot", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java#L517-L537
27,516
atomix/atomix
protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java
RaftServiceManager.completeSnapshot
private boolean completeSnapshot(long index) { // Compute the lowest completed index for all sessions that belong to this state machine. long lastCompleted = index; for (RaftSession session : raft.getSessions().getSessions()) { lastCompleted = Math.min(lastCompleted, session.getLastCompleted()); } return lastCompleted >= index; }
java
private boolean completeSnapshot(long index) { // Compute the lowest completed index for all sessions that belong to this state machine. long lastCompleted = index; for (RaftSession session : raft.getSessions().getSessions()) { lastCompleted = Math.min(lastCompleted, session.getLastCompleted()); } return lastCompleted >= index; }
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Determines whether to complete the snapshot at the given index. @param index the index of the snapshot to complete @return whether to complete the snapshot at the given index
[ "Determines", "whether", "to", "complete", "the", "snapshot", "at", "the", "given", "index", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java#L545-L552
27,517
atomix/atomix
protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java
RaftServiceManager.getOrInitializeService
private RaftServiceContext getOrInitializeService(PrimitiveId primitiveId, PrimitiveType primitiveType, String serviceName, byte[] config) { // Get the state machine executor or create one if it doesn't already exist. RaftServiceContext service = raft.getServices().getService(serviceName); if (service == null) { service = initializeService(primitiveId, primitiveType, serviceName, config); } return service; }
java
private RaftServiceContext getOrInitializeService(PrimitiveId primitiveId, PrimitiveType primitiveType, String serviceName, byte[] config) { // Get the state machine executor or create one if it doesn't already exist. RaftServiceContext service = raft.getServices().getService(serviceName); if (service == null) { service = initializeService(primitiveId, primitiveType, serviceName, config); } return service; }
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Gets or initializes a service context.
[ "Gets", "or", "initializes", "a", "service", "context", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java#L656-L663
27,518
atomix/atomix
protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java
RaftServiceManager.initializeService
@SuppressWarnings("unchecked") private RaftServiceContext initializeService(PrimitiveId primitiveId, PrimitiveType primitiveType, String serviceName, byte[] config) { RaftServiceContext oldService = raft.getServices().getService(serviceName); ServiceConfig serviceConfig = config == null ? new ServiceConfig() : Serializer.using(primitiveType.namespace()).decode(config); RaftServiceContext service = new RaftServiceContext( primitiveId, serviceName, primitiveType, serviceConfig, primitiveType.newService(serviceConfig), raft, threadContextFactory); raft.getServices().registerService(service); // If a service with this name was already registered, remove all of its sessions. if (oldService != null) { raft.getSessions().removeSessions(oldService.serviceId()); } return service; }
java
@SuppressWarnings("unchecked") private RaftServiceContext initializeService(PrimitiveId primitiveId, PrimitiveType primitiveType, String serviceName, byte[] config) { RaftServiceContext oldService = raft.getServices().getService(serviceName); ServiceConfig serviceConfig = config == null ? new ServiceConfig() : Serializer.using(primitiveType.namespace()).decode(config); RaftServiceContext service = new RaftServiceContext( primitiveId, serviceName, primitiveType, serviceConfig, primitiveType.newService(serviceConfig), raft, threadContextFactory); raft.getServices().registerService(service); // If a service with this name was already registered, remove all of its sessions. if (oldService != null) { raft.getSessions().removeSessions(oldService.serviceId()); } return service; }
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Initializes a new service.
[ "Initializes", "a", "new", "service", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java#L668-L687
27,519
atomix/atomix
protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java
RaftServiceManager.applyOpenSession
private long applyOpenSession(Indexed<OpenSessionEntry> entry) { PrimitiveType primitiveType = raft.getPrimitiveTypes().getPrimitiveType(entry.entry().serviceType()); // Get the state machine executor or create one if it doesn't already exist. RaftServiceContext service = getOrInitializeService( PrimitiveId.from(entry.index()), primitiveType, entry.entry().serviceName(), entry.entry().serviceConfig()); if (service == null) { throw new RaftException.UnknownService("Unknown service type " + entry.entry().serviceType()); } SessionId sessionId = SessionId.from(entry.index()); RaftSession session = raft.getSessions().addSession(new RaftSession( sessionId, MemberId.from(entry.entry().memberId()), entry.entry().serviceName(), primitiveType, entry.entry().readConsistency(), entry.entry().minTimeout(), entry.entry().maxTimeout(), entry.entry().timestamp(), service.serializer(), service, raft, threadContextFactory)); return service.openSession(entry.index(), entry.entry().timestamp(), session); }
java
private long applyOpenSession(Indexed<OpenSessionEntry> entry) { PrimitiveType primitiveType = raft.getPrimitiveTypes().getPrimitiveType(entry.entry().serviceType()); // Get the state machine executor or create one if it doesn't already exist. RaftServiceContext service = getOrInitializeService( PrimitiveId.from(entry.index()), primitiveType, entry.entry().serviceName(), entry.entry().serviceConfig()); if (service == null) { throw new RaftException.UnknownService("Unknown service type " + entry.entry().serviceType()); } SessionId sessionId = SessionId.from(entry.index()); RaftSession session = raft.getSessions().addSession(new RaftSession( sessionId, MemberId.from(entry.entry().memberId()), entry.entry().serviceName(), primitiveType, entry.entry().readConsistency(), entry.entry().minTimeout(), entry.entry().maxTimeout(), entry.entry().timestamp(), service.serializer(), service, raft, threadContextFactory)); return service.openSession(entry.index(), entry.entry().timestamp(), session); }
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Applies an open session entry to the state machine.
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java#L692-L721
27,520
atomix/atomix
protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java
RaftServiceManager.applyCloseSession
private void applyCloseSession(Indexed<CloseSessionEntry> entry) { RaftSession session = raft.getSessions().getSession(entry.entry().session()); // If the server session is null, the session either never existed or already expired. if (session == null) { throw new RaftException.UnknownSession("Unknown session: " + entry.entry().session()); } RaftServiceContext service = session.getService(); service.closeSession(entry.index(), entry.entry().timestamp(), session, entry.entry().expired()); // If this is a delete, unregister the service. if (entry.entry().delete()) { raft.getServices().unregisterService(service); service.close(); } }
java
private void applyCloseSession(Indexed<CloseSessionEntry> entry) { RaftSession session = raft.getSessions().getSession(entry.entry().session()); // If the server session is null, the session either never existed or already expired. if (session == null) { throw new RaftException.UnknownSession("Unknown session: " + entry.entry().session()); } RaftServiceContext service = session.getService(); service.closeSession(entry.index(), entry.entry().timestamp(), session, entry.entry().expired()); // If this is a delete, unregister the service. if (entry.entry().delete()) { raft.getServices().unregisterService(service); service.close(); } }
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Applies a close session entry to the state machine.
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java#L726-L742
27,521
atomix/atomix
protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java
RaftServiceManager.applyMetadata
private MetadataResult applyMetadata(Indexed<MetadataEntry> entry) { // If the session ID is non-zero, read the metadata for the associated state machine. if (entry.entry().session() > 0) { RaftSession session = raft.getSessions().getSession(entry.entry().session()); // If the session is null, return an UnknownSessionException. if (session == null) { logger.warn("Unknown session: " + entry.entry().session()); throw new RaftException.UnknownSession("Unknown session: " + entry.entry().session()); } Set<SessionMetadata> sessions = new HashSet<>(); for (RaftSession s : raft.getSessions().getSessions()) { if (s.primitiveName().equals(session.primitiveName())) { sessions.add(new SessionMetadata(s.sessionId().id(), s.primitiveName(), s.primitiveType().name())); } } return new MetadataResult(sessions); } else { Set<SessionMetadata> sessions = new HashSet<>(); for (RaftSession session : raft.getSessions().getSessions()) { sessions.add(new SessionMetadata(session.sessionId().id(), session.primitiveName(), session.primitiveType().name())); } return new MetadataResult(sessions); } }
java
private MetadataResult applyMetadata(Indexed<MetadataEntry> entry) { // If the session ID is non-zero, read the metadata for the associated state machine. if (entry.entry().session() > 0) { RaftSession session = raft.getSessions().getSession(entry.entry().session()); // If the session is null, return an UnknownSessionException. if (session == null) { logger.warn("Unknown session: " + entry.entry().session()); throw new RaftException.UnknownSession("Unknown session: " + entry.entry().session()); } Set<SessionMetadata> sessions = new HashSet<>(); for (RaftSession s : raft.getSessions().getSessions()) { if (s.primitiveName().equals(session.primitiveName())) { sessions.add(new SessionMetadata(s.sessionId().id(), s.primitiveName(), s.primitiveType().name())); } } return new MetadataResult(sessions); } else { Set<SessionMetadata> sessions = new HashSet<>(); for (RaftSession session : raft.getSessions().getSessions()) { sessions.add(new SessionMetadata(session.sessionId().id(), session.primitiveName(), session.primitiveType().name())); } return new MetadataResult(sessions); } }
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Applies a metadata entry to the state machine.
[ "Applies", "a", "metadata", "entry", "to", "the", "state", "machine", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftServiceManager.java#L747-L772
27,522
atomix/atomix
utils/src/main/java/io/atomix/utils/serializer/Namespace.java
Namespace.serialize
public byte[] serialize(final Object obj, final int bufferSize) { return kryoOutputPool.run(output -> { return kryoPool.run(kryo -> { kryo.writeClassAndObject(output, obj); output.flush(); return output.getByteArrayOutputStream().toByteArray(); }); }, bufferSize); }
java
public byte[] serialize(final Object obj, final int bufferSize) { return kryoOutputPool.run(output -> { return kryoPool.run(kryo -> { kryo.writeClassAndObject(output, obj); output.flush(); return output.getByteArrayOutputStream().toByteArray(); }); }, bufferSize); }
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Serializes given object to byte array using Kryo instance in pool. @param obj Object to serialize @param bufferSize maximum size of serialized bytes @return serialized bytes
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/utils/src/main/java/io/atomix/utils/serializer/Namespace.java#L344-L352
27,523
atomix/atomix
utils/src/main/java/io/atomix/utils/serializer/Namespace.java
Namespace.serialize
public void serialize(final Object obj, final ByteBuffer buffer) { ByteBufferOutput out = new ByteBufferOutput(buffer); Kryo kryo = borrow(); try { kryo.writeClassAndObject(out, obj); out.flush(); } finally { release(kryo); } }
java
public void serialize(final Object obj, final ByteBuffer buffer) { ByteBufferOutput out = new ByteBufferOutput(buffer); Kryo kryo = borrow(); try { kryo.writeClassAndObject(out, obj); out.flush(); } finally { release(kryo); } }
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Serializes given object to byte buffer using Kryo instance in pool. @param obj Object to serialize @param buffer to write to
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/utils/src/main/java/io/atomix/utils/serializer/Namespace.java#L360-L369
27,524
atomix/atomix
utils/src/main/java/io/atomix/utils/serializer/Namespace.java
Namespace.serialize
public void serialize(final Object obj, final OutputStream stream, final int bufferSize) { ByteBufferOutput out = new ByteBufferOutput(stream, bufferSize); Kryo kryo = borrow(); try { kryo.writeClassAndObject(out, obj); out.flush(); } finally { release(kryo); } }
java
public void serialize(final Object obj, final OutputStream stream, final int bufferSize) { ByteBufferOutput out = new ByteBufferOutput(stream, bufferSize); Kryo kryo = borrow(); try { kryo.writeClassAndObject(out, obj); out.flush(); } finally { release(kryo); } }
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Serializes given object to OutputStream using Kryo instance in pool. @param obj Object to serialize @param stream to write to @param bufferSize size of the buffer in front of the stream
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/utils/src/main/java/io/atomix/utils/serializer/Namespace.java#L388-L397
27,525
atomix/atomix
utils/src/main/java/io/atomix/utils/serializer/Namespace.java
Namespace.deserialize
public <T> T deserialize(final byte[] bytes) { return kryoInputPool.run(input -> { input.setInputStream(new ByteArrayInputStream(bytes)); return kryoPool.run(kryo -> { @SuppressWarnings("unchecked") T obj = (T) kryo.readClassAndObject(input); return obj; }); }, DEFAULT_BUFFER_SIZE); }
java
public <T> T deserialize(final byte[] bytes) { return kryoInputPool.run(input -> { input.setInputStream(new ByteArrayInputStream(bytes)); return kryoPool.run(kryo -> { @SuppressWarnings("unchecked") T obj = (T) kryo.readClassAndObject(input); return obj; }); }, DEFAULT_BUFFER_SIZE); }
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Deserializes given byte array to Object using Kryo instance in pool. @param bytes serialized bytes @param <T> deserialized Object type @return deserialized Object
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/utils/src/main/java/io/atomix/utils/serializer/Namespace.java#L406-L415
27,526
atomix/atomix
utils/src/main/java/io/atomix/utils/serializer/Namespace.java
Namespace.deserialize
public <T> T deserialize(final ByteBuffer buffer) { ByteBufferInput in = new ByteBufferInput(buffer); Kryo kryo = borrow(); try { @SuppressWarnings("unchecked") T obj = (T) kryo.readClassAndObject(in); return obj; } finally { release(kryo); } }
java
public <T> T deserialize(final ByteBuffer buffer) { ByteBufferInput in = new ByteBufferInput(buffer); Kryo kryo = borrow(); try { @SuppressWarnings("unchecked") T obj = (T) kryo.readClassAndObject(in); return obj; } finally { release(kryo); } }
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Deserializes given byte buffer to Object using Kryo instance in pool. @param buffer input with serialized bytes @param <T> deserialized Object type @return deserialized Object
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/utils/src/main/java/io/atomix/utils/serializer/Namespace.java#L424-L434
27,527
atomix/atomix
utils/src/main/java/io/atomix/utils/serializer/Namespace.java
Namespace.deserialize
public <T> T deserialize(final InputStream stream, final int bufferSize) { ByteBufferInput in = new ByteBufferInput(stream, bufferSize); Kryo kryo = borrow(); try { @SuppressWarnings("unchecked") T obj = (T) kryo.readClassAndObject(in); return obj; } finally { release(kryo); } }
java
public <T> T deserialize(final InputStream stream, final int bufferSize) { ByteBufferInput in = new ByteBufferInput(stream, bufferSize); Kryo kryo = borrow(); try { @SuppressWarnings("unchecked") T obj = (T) kryo.readClassAndObject(in); return obj; } finally { release(kryo); } }
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Deserializes given InputStream to an Object using Kryo instance in pool. @param stream input stream @param <T> deserialized Object type @param bufferSize size of the buffer in front of the stream @return deserialized Object
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/utils/src/main/java/io/atomix/utils/serializer/Namespace.java#L455-L465
27,528
atomix/atomix
utils/src/main/java/io/atomix/utils/serializer/Namespace.java
Namespace.create
@Override public Kryo create() { LOGGER.trace("Creating Kryo instance for {}", this); Kryo kryo = new Kryo(); kryo.setClassLoader(classLoader); kryo.setRegistrationRequired(registrationRequired); // If compatible serialization is enabled, override the default serializer. if (compatible) { kryo.setDefaultSerializer(CompatibleFieldSerializer::new); } // TODO rethink whether we want to use StdInstantiatorStrategy kryo.setInstantiatorStrategy( new Kryo.DefaultInstantiatorStrategy(new StdInstantiatorStrategy())); for (RegistrationBlock block : registeredBlocks) { int id = block.begin(); if (id == FLOATING_ID) { id = kryo.getNextRegistrationId(); } for (Pair<Class<?>[], Serializer<?>> entry : block.types()) { register(kryo, entry.getLeft(), entry.getRight(), id++); } } return kryo; }
java
@Override public Kryo create() { LOGGER.trace("Creating Kryo instance for {}", this); Kryo kryo = new Kryo(); kryo.setClassLoader(classLoader); kryo.setRegistrationRequired(registrationRequired); // If compatible serialization is enabled, override the default serializer. if (compatible) { kryo.setDefaultSerializer(CompatibleFieldSerializer::new); } // TODO rethink whether we want to use StdInstantiatorStrategy kryo.setInstantiatorStrategy( new Kryo.DefaultInstantiatorStrategy(new StdInstantiatorStrategy())); for (RegistrationBlock block : registeredBlocks) { int id = block.begin(); if (id == FLOATING_ID) { id = kryo.getNextRegistrationId(); } for (Pair<Class<?>[], Serializer<?>> entry : block.types()) { register(kryo, entry.getLeft(), entry.getRight(), id++); } } return kryo; }
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Creates a Kryo instance. @return Kryo instance
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/utils/src/main/java/io/atomix/utils/serializer/Namespace.java#L487-L513
27,529
atomix/atomix
protocols/primary-backup/src/main/java/io/atomix/protocols/backup/session/PrimaryBackupSessionClient.java
PrimaryBackupSessionClient.handleEvent
private void handleEvent(PrimitiveEvent event) { log.trace("Received {}", event); Set<Consumer<PrimitiveEvent>> listeners = eventListeners.get(event.type()); if (listeners != null) { listeners.forEach(l -> l.accept(event)); } }
java
private void handleEvent(PrimitiveEvent event) { log.trace("Received {}", event); Set<Consumer<PrimitiveEvent>> listeners = eventListeners.get(event.type()); if (listeners != null) { listeners.forEach(l -> l.accept(event)); } }
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Handles a primitive event.
[ "Handles", "a", "primitive", "event", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/primary-backup/src/main/java/io/atomix/protocols/backup/session/PrimaryBackupSessionClient.java#L265-L271
27,530
atomix/atomix
protocols/primary-backup/src/main/java/io/atomix/protocols/backup/session/PrimaryBackupSessionClient.java
PrimaryBackupSessionClient.connect
private void connect(int attempt, CompletableFuture<SessionClient> future) { if (attempt > MAX_ATTEMPTS) { future.completeExceptionally(new PrimitiveException.Unavailable()); return; } primaryElection.getTerm().whenCompleteAsync((term, error) -> { if (error == null) { if (term.primary() == null) { future.completeExceptionally(new PrimitiveException.Unavailable()); } else { this.term = term; protocol.registerEventListener(sessionId, this::handleEvent, threadContext); future.complete(this); } } else { Throwable cause = Throwables.getRootCause(error); if (cause instanceof PrimitiveException.Unavailable || cause instanceof TimeoutException) { threadContext.schedule(Duration.ofMillis(RETRY_DELAY), () -> connect(attempt + 1, future)); } else { future.completeExceptionally(new PrimitiveException.Unavailable()); } } }, threadContext); }
java
private void connect(int attempt, CompletableFuture<SessionClient> future) { if (attempt > MAX_ATTEMPTS) { future.completeExceptionally(new PrimitiveException.Unavailable()); return; } primaryElection.getTerm().whenCompleteAsync((term, error) -> { if (error == null) { if (term.primary() == null) { future.completeExceptionally(new PrimitiveException.Unavailable()); } else { this.term = term; protocol.registerEventListener(sessionId, this::handleEvent, threadContext); future.complete(this); } } else { Throwable cause = Throwables.getRootCause(error); if (cause instanceof PrimitiveException.Unavailable || cause instanceof TimeoutException) { threadContext.schedule(Duration.ofMillis(RETRY_DELAY), () -> connect(attempt + 1, future)); } else { future.completeExceptionally(new PrimitiveException.Unavailable()); } } }, threadContext); }
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Recursively connects to the partition.
[ "Recursively", "connects", "to", "the", "partition", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/primary-backup/src/main/java/io/atomix/protocols/backup/session/PrimaryBackupSessionClient.java#L285-L309
27,531
atomix/atomix
core/src/main/java/io/atomix/core/semaphore/impl/BlockingDistributedSemaphore.java
BlockingDistributedSemaphore.complete
private <T> T complete(CompletableFuture<T> future, int acquirePermits) { AtomicBoolean needRelease = new AtomicBoolean(false); try { return future.thenApply(value -> { if (needRelease.get()) { if (acquirePermits > 0) { asyncSemaphore.release(acquirePermits); } } return value; }).get(timeout.toMillis(), TimeUnit.MILLISECONDS); } catch (InterruptedException | PrimitiveException.Interrupted e) { needRelease.set(acquirePermits > 0); Thread.currentThread().interrupt(); throw new PrimitiveException.Interrupted(); } catch (TimeoutException | PrimitiveException.Timeout e) { needRelease.set(acquirePermits > 0); throw new PrimitiveException.Timeout(); } catch (ExecutionException e) { needRelease.set(acquirePermits > 0); Throwable cause = Throwables.getRootCause(e); if (cause instanceof PrimitiveException) { throw (PrimitiveException) cause; } else { throw new PrimitiveException(cause); } } }
java
private <T> T complete(CompletableFuture<T> future, int acquirePermits) { AtomicBoolean needRelease = new AtomicBoolean(false); try { return future.thenApply(value -> { if (needRelease.get()) { if (acquirePermits > 0) { asyncSemaphore.release(acquirePermits); } } return value; }).get(timeout.toMillis(), TimeUnit.MILLISECONDS); } catch (InterruptedException | PrimitiveException.Interrupted e) { needRelease.set(acquirePermits > 0); Thread.currentThread().interrupt(); throw new PrimitiveException.Interrupted(); } catch (TimeoutException | PrimitiveException.Timeout e) { needRelease.set(acquirePermits > 0); throw new PrimitiveException.Timeout(); } catch (ExecutionException e) { needRelease.set(acquirePermits > 0); Throwable cause = Throwables.getRootCause(e); if (cause instanceof PrimitiveException) { throw (PrimitiveException) cause; } else { throw new PrimitiveException(cause); } } }
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Use for complete acquire or tryAcquire. If interrupt or timeout before the future completed, set needRelease to true. When the future completes, release these permits.
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/core/src/main/java/io/atomix/core/semaphore/impl/BlockingDistributedSemaphore.java#L156-L183
27,532
atomix/atomix
core/src/main/java/io/atomix/core/barrier/impl/DefaultDistributedCyclicBarrierService.java
DefaultDistributedCyclicBarrierService.timeout
private void timeout(long barrierId) { if (this.barrierId == barrierId && !broken) { broken = true; parties.forEach(session -> getSession(session).accept(client -> client.broken(barrierId))); } }
java
private void timeout(long barrierId) { if (this.barrierId == barrierId && !broken) { broken = true; parties.forEach(session -> getSession(session).accept(client -> client.broken(barrierId))); } }
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Times out the given barrier instance. @param barrierId the barrier ID to time out
[ "Times", "out", "the", "given", "barrier", "instance", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/core/src/main/java/io/atomix/core/barrier/impl/DefaultDistributedCyclicBarrierService.java#L119-L124
27,533
atomix/atomix
primitive/src/main/java/io/atomix/primitive/service/impl/DefaultServiceExecutor.java
DefaultServiceExecutor.runTasks
private void runTasks() { // Execute any tasks that were queue during execution of the command. if (!tasks.isEmpty()) { for (Runnable task : tasks) { log.trace("Executing task {}", task); task.run(); } tasks.clear(); } }
java
private void runTasks() { // Execute any tasks that were queue during execution of the command. if (!tasks.isEmpty()) { for (Runnable task : tasks) { log.trace("Executing task {}", task); task.run(); } tasks.clear(); } }
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Executes tasks after an operation.
[ "Executes", "tasks", "after", "an", "operation", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/primitive/src/main/java/io/atomix/primitive/service/impl/DefaultServiceExecutor.java#L195-L204
27,534
atomix/atomix
core/src/main/java/io/atomix/core/semaphore/impl/AbstractAtomicSemaphoreService.java
AbstractAtomicSemaphoreService.release
private void release(long sessionId, int releasePermits) { increaseAvailable(releasePermits); holders.computeIfPresent(sessionId, (id, acquired) -> { acquired -= releasePermits; if (acquired <= 0) { return null; } return acquired; }); checkAndNotifyWaiters(); }
java
private void release(long sessionId, int releasePermits) { increaseAvailable(releasePermits); holders.computeIfPresent(sessionId, (id, acquired) -> { acquired -= releasePermits; if (acquired <= 0) { return null; } return acquired; }); checkAndNotifyWaiters(); }
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Release permits and traverse the queue to remove waiters that meet the requirement. @param sessionId sessionId @param releasePermits permits to release
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/core/src/main/java/io/atomix/core/semaphore/impl/AbstractAtomicSemaphoreService.java#L194-L205
27,535
atomix/atomix
core/src/main/java/io/atomix/core/workqueue/Task.java
Task.map
public <F> Task<F> map(Function<E, F> mapper) { return new Task<>(taskId, mapper.apply(payload)); }
java
public <F> Task<F> map(Function<E, F> mapper) { return new Task<>(taskId, mapper.apply(payload)); }
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Maps task from one payload type to another. @param <F> future type @param mapper type mapper. @return mapped task.
[ "Maps", "task", "from", "one", "payload", "type", "to", "another", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/core/src/main/java/io/atomix/core/workqueue/Task.java#L72-L74
27,536
atomix/atomix
storage/src/main/java/io/atomix/storage/statistics/StorageStatistics.java
StorageStatistics.getFreeMemory
public long getFreeMemory() { try { return (long) mBeanServer.getAttribute(new ObjectName("java.lang", "type", "OperatingSystem"), "FreePhysicalMemorySize"); } catch (Exception e) { if (LOGGER.isDebugEnabled()) { LOGGER.debug("An exception occurred during memory check", e); } } return -1; }
java
public long getFreeMemory() { try { return (long) mBeanServer.getAttribute(new ObjectName("java.lang", "type", "OperatingSystem"), "FreePhysicalMemorySize"); } catch (Exception e) { if (LOGGER.isDebugEnabled()) { LOGGER.debug("An exception occurred during memory check", e); } } return -1; }
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Returns the amount of free memory remaining. @return the amount of free memory remaining if successful, -1 return indicates failure.
[ "Returns", "the", "amount", "of", "free", "memory", "remaining", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/storage/src/main/java/io/atomix/storage/statistics/StorageStatistics.java#L73-L82
27,537
atomix/atomix
protocols/raft/src/main/java/io/atomix/protocols/raft/roles/AbstractAppender.java
AbstractAppender.handleConfigureResponseOk
@SuppressWarnings("unused") protected void handleConfigureResponseOk(RaftMemberContext member, ConfigureRequest request, ConfigureResponse response) { // Reset the member failure count and update the member's status if necessary. succeedAttempt(member); // Update the member's current configuration term and index according to the installed configuration. member.setConfigTerm(request.term()); member.setConfigIndex(request.index()); // Recursively append entries to the member. appendEntries(member); }
java
@SuppressWarnings("unused") protected void handleConfigureResponseOk(RaftMemberContext member, ConfigureRequest request, ConfigureResponse response) { // Reset the member failure count and update the member's status if necessary. succeedAttempt(member); // Update the member's current configuration term and index according to the installed configuration. member.setConfigTerm(request.term()); member.setConfigIndex(request.index()); // Recursively append entries to the member. appendEntries(member); }
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Handles an OK configuration response.
[ "Handles", "an", "OK", "configuration", "response", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/raft/src/main/java/io/atomix/protocols/raft/roles/AbstractAppender.java#L385-L396
27,538
atomix/atomix
protocols/log/src/main/java/io/atomix/protocols/log/partition/LogPartition.java
LogPartition.join
CompletableFuture<Partition> join( PartitionManagementService managementService, ThreadContextFactory threadFactory) { election = managementService.getElectionService().getElectionFor(partitionId); server = new LogPartitionServer( this, managementService, config, threadFactory); client = new LogPartitionClient(this, managementService, threadFactory); return server.start().thenCompose(v -> client.start()).thenApply(v -> this); }
java
CompletableFuture<Partition> join( PartitionManagementService managementService, ThreadContextFactory threadFactory) { election = managementService.getElectionService().getElectionFor(partitionId); server = new LogPartitionServer( this, managementService, config, threadFactory); client = new LogPartitionClient(this, managementService, threadFactory); return server.start().thenCompose(v -> client.start()).thenApply(v -> this); }
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Joins the log partition.
[ "Joins", "the", "log", "partition", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/log/src/main/java/io/atomix/protocols/log/partition/LogPartition.java#L104-L115
27,539
atomix/atomix
rest/src/main/java/io/atomix/rest/impl/EventManager.java
EventManager.getEventLog
@SuppressWarnings("unchecked") public <L, E> EventLog<L, E> getEventLog(Class<?> type, String name) { return eventRegistries.computeIfAbsent(type, t -> new ConcurrentHashMap<>()).get(name); }
java
@SuppressWarnings("unchecked") public <L, E> EventLog<L, E> getEventLog(Class<?> type, String name) { return eventRegistries.computeIfAbsent(type, t -> new ConcurrentHashMap<>()).get(name); }
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Returns an event log if it already exists. @param type the log type @param name the log name @param <L> the listener type @param <E> the event type @return the event log
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/rest/src/main/java/io/atomix/rest/impl/EventManager.java#L38-L41
27,540
atomix/atomix
rest/src/main/java/io/atomix/rest/impl/EventManager.java
EventManager.getOrCreateEventLog
@SuppressWarnings("unchecked") public <L, E> EventLog<L, E> getOrCreateEventLog(Class<?> type, String name, Function<EventLog<L, E>, L> listenerFactory) { return eventRegistries.computeIfAbsent(type, t -> new ConcurrentHashMap<>()) .computeIfAbsent(name, n -> new EventLog<>(listenerFactory)); }
java
@SuppressWarnings("unchecked") public <L, E> EventLog<L, E> getOrCreateEventLog(Class<?> type, String name, Function<EventLog<L, E>, L> listenerFactory) { return eventRegistries.computeIfAbsent(type, t -> new ConcurrentHashMap<>()) .computeIfAbsent(name, n -> new EventLog<>(listenerFactory)); }
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Returns an event log, creating a new log if none exists. @param type the log type @param name the log name @param <L> the listener type @param <E> the event type @return the event log
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/rest/src/main/java/io/atomix/rest/impl/EventManager.java#L52-L56
27,541
atomix/atomix
rest/src/main/java/io/atomix/rest/impl/EventManager.java
EventManager.removeEventLog
@SuppressWarnings("unchecked") public <L, E> EventLog<L, E> removeEventLog(Class<?> type, String name) { return eventRegistries.computeIfAbsent(type, t -> new ConcurrentHashMap<>()).remove(name); }
java
@SuppressWarnings("unchecked") public <L, E> EventLog<L, E> removeEventLog(Class<?> type, String name) { return eventRegistries.computeIfAbsent(type, t -> new ConcurrentHashMap<>()).remove(name); }
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Removes and returns the given event log. @param type the log type @param name the log name @param <L> the listener type @param <E> the event type @return the removed event log or {@code null} if non exits
[ "Removes", "and", "returns", "the", "given", "event", "log", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/rest/src/main/java/io/atomix/rest/impl/EventManager.java#L67-L70
27,542
atomix/atomix
rest/src/main/java/io/atomix/rest/impl/EventManager.java
EventManager.getEventLogNames
public Set<String> getEventLogNames(Class<?> type) { return eventRegistries.computeIfAbsent(type, t -> new ConcurrentHashMap<>()).keySet(); }
java
public Set<String> getEventLogNames(Class<?> type) { return eventRegistries.computeIfAbsent(type, t -> new ConcurrentHashMap<>()).keySet(); }
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Returns event log names for the given type. @param type the type for which to return event log names @return event log names for the given type
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/rest/src/main/java/io/atomix/rest/impl/EventManager.java#L78-L80
27,543
atomix/atomix
protocols/primary-backup/src/main/java/io/atomix/protocols/backup/impl/PrimaryBackupServerContext.java
PrimaryBackupServerContext.getService
private CompletableFuture<PrimaryBackupServiceContext> getService(PrimitiveRequest request) { return services.computeIfAbsent(request.primitive().name(), n -> { PrimitiveType primitiveType = primitiveTypes.getPrimitiveType(request.primitive().type()); PrimaryBackupServiceContext service = new PrimaryBackupServiceContext( serverName, PrimitiveId.from(request.primitive().name()), primitiveType, request.primitive(), threadContextFactory.createContext(), clusterMembershipService, memberGroupService, protocol, primaryElection); OrderedFuture<PrimaryBackupServiceContext> newOrderFuture = new OrderedFuture<>(); service.open().whenComplete((v, e) -> { if (e != null) { newOrderFuture.completeExceptionally(e); } else { newOrderFuture.complete(service); } }); return newOrderFuture; }); }
java
private CompletableFuture<PrimaryBackupServiceContext> getService(PrimitiveRequest request) { return services.computeIfAbsent(request.primitive().name(), n -> { PrimitiveType primitiveType = primitiveTypes.getPrimitiveType(request.primitive().type()); PrimaryBackupServiceContext service = new PrimaryBackupServiceContext( serverName, PrimitiveId.from(request.primitive().name()), primitiveType, request.primitive(), threadContextFactory.createContext(), clusterMembershipService, memberGroupService, protocol, primaryElection); OrderedFuture<PrimaryBackupServiceContext> newOrderFuture = new OrderedFuture<>(); service.open().whenComplete((v, e) -> { if (e != null) { newOrderFuture.completeExceptionally(e); } else { newOrderFuture.complete(service); } }); return newOrderFuture; }); }
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Returns the service context for the given request.
[ "Returns", "the", "service", "context", "for", "the", "given", "request", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/primary-backup/src/main/java/io/atomix/protocols/backup/impl/PrimaryBackupServerContext.java#L147-L171
27,544
atomix/atomix
protocols/primary-backup/src/main/java/io/atomix/protocols/backup/impl/PrimaryBackupServerContext.java
PrimaryBackupServerContext.metadata
private CompletableFuture<MetadataResponse> metadata(MetadataRequest request) { return CompletableFuture.completedFuture(MetadataResponse.ok(services.entrySet().stream() .filter(entry -> Futures.get(entry.getValue()).serviceType().name().equals(request.primitiveType())) .map(entry -> entry.getKey()) .collect(Collectors.toSet()))); }
java
private CompletableFuture<MetadataResponse> metadata(MetadataRequest request) { return CompletableFuture.completedFuture(MetadataResponse.ok(services.entrySet().stream() .filter(entry -> Futures.get(entry.getValue()).serviceType().name().equals(request.primitiveType())) .map(entry -> entry.getKey()) .collect(Collectors.toSet()))); }
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Handles a metadata request.
[ "Handles", "a", "metadata", "request", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/primary-backup/src/main/java/io/atomix/protocols/backup/impl/PrimaryBackupServerContext.java#L176-L181
27,545
atomix/atomix
protocols/primary-backup/src/main/java/io/atomix/protocols/backup/impl/PrimaryBackupServerContext.java
PrimaryBackupServerContext.unregisterListeners
private void unregisterListeners() { protocol.unregisterExecuteHandler(); protocol.unregisterBackupHandler(); protocol.unregisterRestoreHandler(); protocol.unregisterCloseHandler(); protocol.unregisterMetadataHandler(); }
java
private void unregisterListeners() { protocol.unregisterExecuteHandler(); protocol.unregisterBackupHandler(); protocol.unregisterRestoreHandler(); protocol.unregisterCloseHandler(); protocol.unregisterMetadataHandler(); }
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Unregisters message listeners.
[ "Unregisters", "message", "listeners", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/primary-backup/src/main/java/io/atomix/protocols/backup/impl/PrimaryBackupServerContext.java#L197-L203
27,546
atomix/atomix
cluster/src/main/java/io/atomix/cluster/messaging/impl/NettyMessagingService.java
NettyMessagingService.executeOnTransientConnection
private <T> CompletableFuture<T> executeOnTransientConnection( Address address, Function<ClientConnection, CompletableFuture<T>> callback, Executor executor) { CompletableFuture<T> future = new CompletableFuture<>(); if (address.equals(returnAddress)) { callback.apply(localConnection).whenComplete((result, error) -> { if (error == null) { executor.execute(() -> future.complete(result)); } else { executor.execute(() -> future.completeExceptionally(error)); } }); return future; } openChannel(address).whenComplete((channel, channelError) -> { if (channelError == null) { callback.apply(getOrCreateClientConnection(channel)).whenComplete((result, sendError) -> { if (sendError == null) { executor.execute(() -> future.complete(result)); } else { executor.execute(() -> future.completeExceptionally(sendError)); } channel.close(); }); } else { executor.execute(() -> future.completeExceptionally(channelError)); } }); return future; }
java
private <T> CompletableFuture<T> executeOnTransientConnection( Address address, Function<ClientConnection, CompletableFuture<T>> callback, Executor executor) { CompletableFuture<T> future = new CompletableFuture<>(); if (address.equals(returnAddress)) { callback.apply(localConnection).whenComplete((result, error) -> { if (error == null) { executor.execute(() -> future.complete(result)); } else { executor.execute(() -> future.completeExceptionally(error)); } }); return future; } openChannel(address).whenComplete((channel, channelError) -> { if (channelError == null) { callback.apply(getOrCreateClientConnection(channel)).whenComplete((result, sendError) -> { if (sendError == null) { executor.execute(() -> future.complete(result)); } else { executor.execute(() -> future.completeExceptionally(sendError)); } channel.close(); }); } else { executor.execute(() -> future.completeExceptionally(channelError)); } }); return future; }
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Executes the given callback on a transient connection. @param address the connection address @param callback the callback to execute @param executor an executor on which to complete the callback future @param <T> the callback response type
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/cluster/src/main/java/io/atomix/cluster/messaging/impl/NettyMessagingService.java#L366-L397
27,547
atomix/atomix
cluster/src/main/java/io/atomix/cluster/messaging/impl/NettyMessagingService.java
NettyMessagingService.bootstrapClient
private CompletableFuture<Channel> bootstrapClient(Address address) { CompletableFuture<Channel> future = new OrderedFuture<>(); Bootstrap bootstrap = new Bootstrap(); bootstrap.option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT); bootstrap.option(ChannelOption.WRITE_BUFFER_WATER_MARK, new WriteBufferWaterMark(10 * 32 * 1024, 10 * 64 * 1024)); bootstrap.option(ChannelOption.SO_RCVBUF, 1024 * 1024); bootstrap.option(ChannelOption.SO_SNDBUF, 1024 * 1024); bootstrap.option(ChannelOption.SO_KEEPALIVE, true); bootstrap.option(ChannelOption.TCP_NODELAY, true); bootstrap.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 1000); bootstrap.group(clientGroup); // TODO: Make this faster: // http://normanmaurer.me/presentations/2014-facebook-eng-netty/slides.html#37.0 bootstrap.channel(clientChannelClass); bootstrap.remoteAddress(address.address(true), address.port()); if (enableNettyTls) { try { bootstrap.handler(new SslClientChannelInitializer(future, address)); } catch (SSLException e) { return Futures.exceptionalFuture(e); } } else { bootstrap.handler(new BasicClientChannelInitializer(future)); } bootstrap.connect().addListener(f -> { if (!f.isSuccess()) { future.completeExceptionally(f.cause()); } }); return future; }
java
private CompletableFuture<Channel> bootstrapClient(Address address) { CompletableFuture<Channel> future = new OrderedFuture<>(); Bootstrap bootstrap = new Bootstrap(); bootstrap.option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT); bootstrap.option(ChannelOption.WRITE_BUFFER_WATER_MARK, new WriteBufferWaterMark(10 * 32 * 1024, 10 * 64 * 1024)); bootstrap.option(ChannelOption.SO_RCVBUF, 1024 * 1024); bootstrap.option(ChannelOption.SO_SNDBUF, 1024 * 1024); bootstrap.option(ChannelOption.SO_KEEPALIVE, true); bootstrap.option(ChannelOption.TCP_NODELAY, true); bootstrap.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 1000); bootstrap.group(clientGroup); // TODO: Make this faster: // http://normanmaurer.me/presentations/2014-facebook-eng-netty/slides.html#37.0 bootstrap.channel(clientChannelClass); bootstrap.remoteAddress(address.address(true), address.port()); if (enableNettyTls) { try { bootstrap.handler(new SslClientChannelInitializer(future, address)); } catch (SSLException e) { return Futures.exceptionalFuture(e); } } else { bootstrap.handler(new BasicClientChannelInitializer(future)); } bootstrap.connect().addListener(f -> { if (!f.isSuccess()) { future.completeExceptionally(f.cause()); } }); return future; }
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Bootstraps a new channel to the given address. @param address the address to which to connect @return a future to be completed with the connected channel
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/cluster/src/main/java/io/atomix/cluster/messaging/impl/NettyMessagingService.java#L471-L502
27,548
atomix/atomix
cluster/src/main/java/io/atomix/cluster/messaging/impl/NettyMessagingService.java
NettyMessagingService.bootstrapServer
private CompletableFuture<Void> bootstrapServer() { ServerBootstrap b = new ServerBootstrap(); b.option(ChannelOption.SO_REUSEADDR, true); b.option(ChannelOption.SO_BACKLOG, 128); b.childOption(ChannelOption.WRITE_BUFFER_WATER_MARK, new WriteBufferWaterMark(8 * 1024, 32 * 1024)); b.childOption(ChannelOption.SO_RCVBUF, 1024 * 1024); b.childOption(ChannelOption.SO_SNDBUF, 1024 * 1024); b.childOption(ChannelOption.SO_KEEPALIVE, true); b.childOption(ChannelOption.TCP_NODELAY, true); b.childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT); b.group(serverGroup, clientGroup); b.channel(serverChannelClass); if (enableNettyTls) { try { b.childHandler(new SslServerChannelInitializer()); } catch (SSLException e) { return Futures.exceptionalFuture(e); } } else { b.childHandler(new BasicServerChannelInitializer()); } return bind(b); }
java
private CompletableFuture<Void> bootstrapServer() { ServerBootstrap b = new ServerBootstrap(); b.option(ChannelOption.SO_REUSEADDR, true); b.option(ChannelOption.SO_BACKLOG, 128); b.childOption(ChannelOption.WRITE_BUFFER_WATER_MARK, new WriteBufferWaterMark(8 * 1024, 32 * 1024)); b.childOption(ChannelOption.SO_RCVBUF, 1024 * 1024); b.childOption(ChannelOption.SO_SNDBUF, 1024 * 1024); b.childOption(ChannelOption.SO_KEEPALIVE, true); b.childOption(ChannelOption.TCP_NODELAY, true); b.childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT); b.group(serverGroup, clientGroup); b.channel(serverChannelClass); if (enableNettyTls) { try { b.childHandler(new SslServerChannelInitializer()); } catch (SSLException e) { return Futures.exceptionalFuture(e); } } else { b.childHandler(new BasicServerChannelInitializer()); } return bind(b); }
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Bootstraps a server. @return a future to be completed once the server has been bound to all interfaces
[ "Bootstraps", "a", "server", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/cluster/src/main/java/io/atomix/cluster/messaging/impl/NettyMessagingService.java#L509-L532
27,549
atomix/atomix
utils/src/main/java/io/atomix/utils/misc/StringUtils.java
StringUtils.split
public static String[] split(String input, String regex) { if (input == null) { return null; } String[] arr = input.split(regex); List<String> results = new ArrayList<>(arr.length); for (String a : arr) { if (!a.trim().isEmpty()) { results.add(a); } } return results.toArray(new String[0]); }
java
public static String[] split(String input, String regex) { if (input == null) { return null; } String[] arr = input.split(regex); List<String> results = new ArrayList<>(arr.length); for (String a : arr) { if (!a.trim().isEmpty()) { results.add(a); } } return results.toArray(new String[0]); }
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Splits the input string with the given regex and filters empty strings. @param input the string to split. @return the array of strings computed by splitting this string
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/utils/src/main/java/io/atomix/utils/misc/StringUtils.java#L35-L47
27,550
atomix/atomix
protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftContext.java
RaftContext.awaitState
public void awaitState(State state, Consumer<State> listener) { if (this.state == state) { listener.accept(this.state); } else { addStateChangeListener(new Consumer<State>() { @Override public void accept(State state) { listener.accept(state); removeStateChangeListener(this); } }); } }
java
public void awaitState(State state, Consumer<State> listener) { if (this.state == state) { listener.accept(this.state); } else { addStateChangeListener(new Consumer<State>() { @Override public void accept(State state) { listener.accept(state); removeStateChangeListener(this); } }); } }
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Awaits a state change. @param state the state for which to wait @param listener the listener to call when the next state change occurs
[ "Awaits", "a", "state", "change", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftContext.java#L234-L246
27,551
atomix/atomix
protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftContext.java
RaftContext.getLeader
public DefaultRaftMember getLeader() { // Store in a local variable to prevent race conditions and/or multiple volatile lookups. MemberId leader = this.leader; return leader != null ? cluster.getMember(leader) : null; }
java
public DefaultRaftMember getLeader() { // Store in a local variable to prevent race conditions and/or multiple volatile lookups. MemberId leader = this.leader; return leader != null ? cluster.getMember(leader) : null; }
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Returns the state leader. @return The state leader.
[ "Returns", "the", "state", "leader", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftContext.java#L406-L410
27,552
atomix/atomix
protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftContext.java
RaftContext.isLeader
public boolean isLeader() { MemberId leader = this.leader; return leader != null && leader.equals(cluster.getMember().memberId()); }
java
public boolean isLeader() { MemberId leader = this.leader; return leader != null && leader.equals(cluster.getMember().memberId()); }
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Returns a boolean indicating whether this server is the current leader. @return Indicates whether this server is the leader.
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftContext.java#L417-L420
27,553
atomix/atomix
protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftContext.java
RaftContext.setLastApplied
public void setLastApplied(long lastApplied) { this.lastApplied = Math.max(this.lastApplied, lastApplied); if (state == State.ACTIVE) { threadContext.execute(() -> { if (state == State.ACTIVE && this.lastApplied >= firstCommitIndex) { state = State.READY; stateChangeListeners.forEach(l -> l.accept(state)); } }); } }
java
public void setLastApplied(long lastApplied) { this.lastApplied = Math.max(this.lastApplied, lastApplied); if (state == State.ACTIVE) { threadContext.execute(() -> { if (state == State.ACTIVE && this.lastApplied >= firstCommitIndex) { state = State.READY; stateChangeListeners.forEach(l -> l.accept(state)); } }); } }
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Sets the last applied index. @param lastApplied the last applied index
[ "Sets", "the", "last", "applied", "index", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftContext.java#L531-L541
27,554
atomix/atomix
protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftContext.java
RaftContext.compact
public CompletableFuture<Void> compact() { ComposableFuture<Void> future = new ComposableFuture<>(); threadContext.execute(() -> stateMachine.compact().whenComplete(future)); return future; }
java
public CompletableFuture<Void> compact() { ComposableFuture<Void> future = new ComposableFuture<>(); threadContext.execute(() -> stateMachine.compact().whenComplete(future)); return future; }
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Compacts the server logs. @return a future to be completed once the logs have been compacted
[ "Compacts", "the", "server", "logs", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftContext.java#L665-L669
27,555
atomix/atomix
protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftContext.java
RaftContext.registerHandlers
private void registerHandlers(RaftServerProtocol protocol) { protocol.registerOpenSessionHandler(request -> runOnContextIfReady(() -> role.onOpenSession(request), OpenSessionResponse::builder)); protocol.registerCloseSessionHandler(request -> runOnContextIfReady(() -> role.onCloseSession(request), CloseSessionResponse::builder)); protocol.registerKeepAliveHandler(request -> runOnContextIfReady(() -> role.onKeepAlive(request), KeepAliveResponse::builder)); protocol.registerMetadataHandler(request -> runOnContextIfReady(() -> role.onMetadata(request), MetadataResponse::builder)); protocol.registerConfigureHandler(request -> runOnContext(() -> role.onConfigure(request))); protocol.registerInstallHandler(request -> runOnContext(() -> role.onInstall(request))); protocol.registerJoinHandler(request -> runOnContext(() -> role.onJoin(request))); protocol.registerReconfigureHandler(request -> runOnContext(() -> role.onReconfigure(request))); protocol.registerLeaveHandler(request -> runOnContext(() -> role.onLeave(request))); protocol.registerTransferHandler(request -> runOnContext(() -> role.onTransfer(request))); protocol.registerAppendHandler(request -> runOnContext(() -> role.onAppend(request))); protocol.registerPollHandler(request -> runOnContext(() -> role.onPoll(request))); protocol.registerVoteHandler(request -> runOnContext(() -> role.onVote(request))); protocol.registerCommandHandler(request -> runOnContextIfReady(() -> role.onCommand(request), CommandResponse::builder)); protocol.registerQueryHandler(request -> runOnContextIfReady(() -> role.onQuery(request), QueryResponse::builder)); }
java
private void registerHandlers(RaftServerProtocol protocol) { protocol.registerOpenSessionHandler(request -> runOnContextIfReady(() -> role.onOpenSession(request), OpenSessionResponse::builder)); protocol.registerCloseSessionHandler(request -> runOnContextIfReady(() -> role.onCloseSession(request), CloseSessionResponse::builder)); protocol.registerKeepAliveHandler(request -> runOnContextIfReady(() -> role.onKeepAlive(request), KeepAliveResponse::builder)); protocol.registerMetadataHandler(request -> runOnContextIfReady(() -> role.onMetadata(request), MetadataResponse::builder)); protocol.registerConfigureHandler(request -> runOnContext(() -> role.onConfigure(request))); protocol.registerInstallHandler(request -> runOnContext(() -> role.onInstall(request))); protocol.registerJoinHandler(request -> runOnContext(() -> role.onJoin(request))); protocol.registerReconfigureHandler(request -> runOnContext(() -> role.onReconfigure(request))); protocol.registerLeaveHandler(request -> runOnContext(() -> role.onLeave(request))); protocol.registerTransferHandler(request -> runOnContext(() -> role.onTransfer(request))); protocol.registerAppendHandler(request -> runOnContext(() -> role.onAppend(request))); protocol.registerPollHandler(request -> runOnContext(() -> role.onPoll(request))); protocol.registerVoteHandler(request -> runOnContext(() -> role.onVote(request))); protocol.registerCommandHandler(request -> runOnContextIfReady(() -> role.onCommand(request), CommandResponse::builder)); protocol.registerQueryHandler(request -> runOnContextIfReady(() -> role.onQuery(request), QueryResponse::builder)); }
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Registers server handlers on the configured protocol.
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftContext.java#L681-L697
27,556
atomix/atomix
protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftContext.java
RaftContext.unregisterHandlers
private void unregisterHandlers(RaftServerProtocol protocol) { protocol.unregisterOpenSessionHandler(); protocol.unregisterCloseSessionHandler(); protocol.unregisterKeepAliveHandler(); protocol.unregisterMetadataHandler(); protocol.unregisterConfigureHandler(); protocol.unregisterInstallHandler(); protocol.unregisterJoinHandler(); protocol.unregisterReconfigureHandler(); protocol.unregisterLeaveHandler(); protocol.unregisterTransferHandler(); protocol.unregisterAppendHandler(); protocol.unregisterPollHandler(); protocol.unregisterVoteHandler(); protocol.unregisterCommandHandler(); protocol.unregisterQueryHandler(); }
java
private void unregisterHandlers(RaftServerProtocol protocol) { protocol.unregisterOpenSessionHandler(); protocol.unregisterCloseSessionHandler(); protocol.unregisterKeepAliveHandler(); protocol.unregisterMetadataHandler(); protocol.unregisterConfigureHandler(); protocol.unregisterInstallHandler(); protocol.unregisterJoinHandler(); protocol.unregisterReconfigureHandler(); protocol.unregisterLeaveHandler(); protocol.unregisterTransferHandler(); protocol.unregisterAppendHandler(); protocol.unregisterPollHandler(); protocol.unregisterVoteHandler(); protocol.unregisterCommandHandler(); protocol.unregisterQueryHandler(); }
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Unregisters server handlers on the configured protocol.
[ "Unregisters", "server", "handlers", "on", "the", "configured", "protocol", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftContext.java#L728-L744
27,557
atomix/atomix
protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftContext.java
RaftContext.anoint
public CompletableFuture<Void> anoint() { if (role.role() == RaftServer.Role.LEADER) { return CompletableFuture.completedFuture(null); } CompletableFuture<Void> future = new CompletableFuture<>(); threadContext.execute(() -> { // Register a leader election listener to wait for the election of this node. Consumer<RaftMember> electionListener = new Consumer<RaftMember>() { @Override public void accept(RaftMember member) { if (member.memberId().equals(cluster.getMember().memberId())) { future.complete(null); } else { future.completeExceptionally(new RaftException.ProtocolException("Failed to transfer leadership")); } removeLeaderElectionListener(this); } }; addLeaderElectionListener(electionListener); // If a leader already exists, request a leadership transfer from it. Otherwise, transition to the candidate // state and attempt to get elected. RaftMember member = getCluster().getMember(); RaftMember leader = getLeader(); if (leader != null) { protocol.transfer(leader.memberId(), TransferRequest.builder() .withMember(member.memberId()) .build()).whenCompleteAsync((response, error) -> { if (error != null) { future.completeExceptionally(error); } else if (response.status() == RaftResponse.Status.ERROR) { future.completeExceptionally(response.error().createException()); } else { transition(RaftServer.Role.CANDIDATE); } }, threadContext); } else { transition(RaftServer.Role.CANDIDATE); } }); return future; }
java
public CompletableFuture<Void> anoint() { if (role.role() == RaftServer.Role.LEADER) { return CompletableFuture.completedFuture(null); } CompletableFuture<Void> future = new CompletableFuture<>(); threadContext.execute(() -> { // Register a leader election listener to wait for the election of this node. Consumer<RaftMember> electionListener = new Consumer<RaftMember>() { @Override public void accept(RaftMember member) { if (member.memberId().equals(cluster.getMember().memberId())) { future.complete(null); } else { future.completeExceptionally(new RaftException.ProtocolException("Failed to transfer leadership")); } removeLeaderElectionListener(this); } }; addLeaderElectionListener(electionListener); // If a leader already exists, request a leadership transfer from it. Otherwise, transition to the candidate // state and attempt to get elected. RaftMember member = getCluster().getMember(); RaftMember leader = getLeader(); if (leader != null) { protocol.transfer(leader.memberId(), TransferRequest.builder() .withMember(member.memberId()) .build()).whenCompleteAsync((response, error) -> { if (error != null) { future.completeExceptionally(error); } else if (response.status() == RaftResponse.Status.ERROR) { future.completeExceptionally(response.error().createException()); } else { transition(RaftServer.Role.CANDIDATE); } }, threadContext); } else { transition(RaftServer.Role.CANDIDATE); } }); return future; }
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Attempts to become the leader.
[ "Attempts", "to", "become", "the", "leader", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/raft/src/main/java/io/atomix/protocols/raft/impl/RaftContext.java#L749-L792
27,558
atomix/atomix
protocols/raft/src/main/java/io/atomix/protocols/raft/session/impl/MemberSelector.java
MemberSelector.state
public State state() { if (selectionsIterator == null) { return State.RESET; } else if (hasNext()) { return State.ITERATE; } else { return State.COMPLETE; } }
java
public State state() { if (selectionsIterator == null) { return State.RESET; } else if (hasNext()) { return State.ITERATE; } else { return State.COMPLETE; } }
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Returns the address selector state. @return The address selector state.
[ "Returns", "the", "address", "selector", "state", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/raft/src/main/java/io/atomix/protocols/raft/session/impl/MemberSelector.java#L81-L89
27,559
atomix/atomix
protocols/raft/src/main/java/io/atomix/protocols/raft/session/impl/MemberSelector.java
MemberSelector.reset
public MemberSelector reset() { if (selectionsIterator != null) { this.selections = strategy.selectConnections(leader, Lists.newLinkedList(members)); this.selectionsIterator = null; } return this; }
java
public MemberSelector reset() { if (selectionsIterator != null) { this.selections = strategy.selectConnections(leader, Lists.newLinkedList(members)); this.selectionsIterator = null; } return this; }
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Resets the member iterator. @return The member selector.
[ "Resets", "the", "member", "iterator", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/raft/src/main/java/io/atomix/protocols/raft/session/impl/MemberSelector.java#L123-L129
27,560
atomix/atomix
protocols/raft/src/main/java/io/atomix/protocols/raft/session/impl/MemberSelector.java
MemberSelector.reset
public MemberSelector reset(MemberId leader, Collection<MemberId> members) { if (changed(leader, members)) { this.leader = leader != null && members.contains(leader) ? leader : null; this.members = Sets.newLinkedHashSet(members); this.selections = strategy.selectConnections(leader, Lists.newLinkedList(members)); this.selectionsIterator = null; } return this; }
java
public MemberSelector reset(MemberId leader, Collection<MemberId> members) { if (changed(leader, members)) { this.leader = leader != null && members.contains(leader) ? leader : null; this.members = Sets.newLinkedHashSet(members); this.selections = strategy.selectConnections(leader, Lists.newLinkedList(members)); this.selectionsIterator = null; } return this; }
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Resets the connection leader and members. @param members The collection of members. @return The member selector.
[ "Resets", "the", "connection", "leader", "and", "members", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/raft/src/main/java/io/atomix/protocols/raft/session/impl/MemberSelector.java#L137-L145
27,561
atomix/atomix
protocols/gossip/src/main/java/io/atomix/protocols/gossip/value/CrdtValueDelegate.java
CrdtValueDelegate.encode
private String encode(Object value) { return BaseEncoding.base16().encode(valueSerializer.encode(value)); }
java
private String encode(Object value) { return BaseEncoding.base16().encode(valueSerializer.encode(value)); }
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Encodes the given value to a string for internal storage. @param value the value to encode @return the encoded value
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/gossip/src/main/java/io/atomix/protocols/gossip/value/CrdtValueDelegate.java#L128-L130
27,562
atomix/atomix
protocols/gossip/src/main/java/io/atomix/protocols/gossip/value/CrdtValueDelegate.java
CrdtValueDelegate.decode
protected V decode(String value) { return valueSerializer.decode(BaseEncoding.base16().decode(value)); }
java
protected V decode(String value) { return valueSerializer.decode(BaseEncoding.base16().decode(value)); }
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Decodes the given value from a string. @param value the value to decode @return the decoded value
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/gossip/src/main/java/io/atomix/protocols/gossip/value/CrdtValueDelegate.java#L138-L140
27,563
atomix/atomix
storage/src/main/java/io/atomix/storage/journal/JournalSegment.java
JournalSegment.map
private void map() { if (storageLevel == StorageLevel.MAPPED) { MappedByteBuffer buffer = writer.map(); readers.forEach(reader -> reader.map(buffer)); } }
java
private void map() { if (storageLevel == StorageLevel.MAPPED) { MappedByteBuffer buffer = writer.map(); readers.forEach(reader -> reader.map(buffer)); } }
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Maps the log segment into memory.
[ "Maps", "the", "log", "segment", "into", "memory", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/storage/src/main/java/io/atomix/storage/journal/JournalSegment.java#L180-L185
27,564
atomix/atomix
storage/src/main/java/io/atomix/storage/journal/JournalSegment.java
JournalSegment.unmap
private void unmap() { if (storageLevel == StorageLevel.MAPPED) { writer.unmap(); readers.forEach(reader -> reader.unmap()); } }
java
private void unmap() { if (storageLevel == StorageLevel.MAPPED) { writer.unmap(); readers.forEach(reader -> reader.unmap()); } }
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Unmaps the log segment from memory.
[ "Unmaps", "the", "log", "segment", "from", "memory", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/storage/src/main/java/io/atomix/storage/journal/JournalSegment.java#L190-L195
27,565
atomix/atomix
storage/src/main/java/io/atomix/storage/journal/JournalSegment.java
JournalSegment.createReader
MappableJournalSegmentReader<E> createReader() { checkOpen(); MappableJournalSegmentReader<E> reader = new MappableJournalSegmentReader<>( openChannel(file.file()), this, maxEntrySize, index, namespace); MappedByteBuffer buffer = writer.buffer(); if (buffer != null) { reader.map(buffer); } readers.add(reader); return reader; }
java
MappableJournalSegmentReader<E> createReader() { checkOpen(); MappableJournalSegmentReader<E> reader = new MappableJournalSegmentReader<>( openChannel(file.file()), this, maxEntrySize, index, namespace); MappedByteBuffer buffer = writer.buffer(); if (buffer != null) { reader.map(buffer); } readers.add(reader); return reader; }
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Creates a new segment reader. @return A new segment reader.
[ "Creates", "a", "new", "segment", "reader", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/storage/src/main/java/io/atomix/storage/journal/JournalSegment.java#L212-L222
27,566
atomix/atomix
storage/src/main/java/io/atomix/storage/journal/JournalSegment.java
JournalSegment.close
@Override public void close() { unmap(); writer.close(); readers.forEach(reader -> reader.close()); open = false; }
java
@Override public void close() { unmap(); writer.close(); readers.forEach(reader -> reader.close()); open = false; }
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Closes the segment.
[ "Closes", "the", "segment", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/storage/src/main/java/io/atomix/storage/journal/JournalSegment.java#L252-L258
27,567
atomix/atomix
utils/src/main/java/io/atomix/utils/concurrent/Futures.java
Futures.completedFutureAsync
public static <T> CompletableFuture<T> completedFutureAsync(T result, Executor executor) { CompletableFuture<T> future = new CompletableFuture<>(); executor.execute(() -> future.complete(result)); return future; }
java
public static <T> CompletableFuture<T> completedFutureAsync(T result, Executor executor) { CompletableFuture<T> future = new CompletableFuture<>(); executor.execute(() -> future.complete(result)); return future; }
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Creates a future that is asynchronously completed. @param result The future result. @param executor The executor on which to complete the future. @return The completed future.
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/utils/src/main/java/io/atomix/utils/concurrent/Futures.java#L83-L87
27,568
atomix/atomix
utils/src/main/java/io/atomix/utils/concurrent/Futures.java
Futures.exceptionalFutureAsync
public static <T> CompletableFuture<T> exceptionalFutureAsync(Throwable t, Executor executor) { CompletableFuture<T> future = new CompletableFuture<>(); executor.execute(() -> { future.completeExceptionally(t); }); return future; }
java
public static <T> CompletableFuture<T> exceptionalFutureAsync(Throwable t, Executor executor) { CompletableFuture<T> future = new CompletableFuture<>(); executor.execute(() -> { future.completeExceptionally(t); }); return future; }
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Creates a future that is asynchronously completed exceptionally. @param t The future exception. @param executor The executor on which to complete the future. @return The exceptionally completed future.
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/utils/src/main/java/io/atomix/utils/concurrent/Futures.java#L108-L114
27,569
atomix/atomix
utils/src/main/java/io/atomix/utils/concurrent/Futures.java
Futures.orderedFuture
public static <T> CompletableFuture<T> orderedFuture(CompletableFuture<T> future) { CompletableFuture<T> newFuture = new OrderedFuture<>(); future.whenComplete((r, e) -> { if (e == null) { newFuture.complete(r); } else { newFuture.completeExceptionally(e); } }); return newFuture; }
java
public static <T> CompletableFuture<T> orderedFuture(CompletableFuture<T> future) { CompletableFuture<T> newFuture = new OrderedFuture<>(); future.whenComplete((r, e) -> { if (e == null) { newFuture.complete(r); } else { newFuture.completeExceptionally(e); } }); return newFuture; }
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Returns a future that completes callbacks in add order. @param <T> future value type @return a new completable future that will complete added callbacks in the order in which they were added
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/utils/src/main/java/io/atomix/utils/concurrent/Futures.java#L132-L142
27,570
atomix/atomix
utils/src/main/java/io/atomix/utils/concurrent/Futures.java
Futures.asyncFuture
public static <T> CompletableFuture<T> asyncFuture(CompletableFuture<T> future, Executor executor) { CompletableFuture<T> newFuture = new AtomixFuture<>(); future.whenComplete((result, error) -> { executor.execute(() -> { if (error == null) { newFuture.complete(result); } else { newFuture.completeExceptionally(error); } }); }); return newFuture; }
java
public static <T> CompletableFuture<T> asyncFuture(CompletableFuture<T> future, Executor executor) { CompletableFuture<T> newFuture = new AtomixFuture<>(); future.whenComplete((result, error) -> { executor.execute(() -> { if (error == null) { newFuture.complete(result); } else { newFuture.completeExceptionally(error); } }); }); return newFuture; }
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Returns a wrapped future that will be completed on the given executor. @param future the future to be completed on the given executor @param executor the executor with which to complete the future @param <T> the future value type @return a wrapped future to be completed on the given executor
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/utils/src/main/java/io/atomix/utils/concurrent/Futures.java#L152-L164
27,571
atomix/atomix
utils/src/main/java/io/atomix/utils/concurrent/Futures.java
Futures.allOf
public static <T> CompletableFuture<T> allOf( List<CompletableFuture<T>> futures, BinaryOperator<T> reducer, T emptyValue) { return allOf(futures).thenApply(resultList -> resultList.stream().reduce(reducer).orElse(emptyValue)); }
java
public static <T> CompletableFuture<T> allOf( List<CompletableFuture<T>> futures, BinaryOperator<T> reducer, T emptyValue) { return allOf(futures).thenApply(resultList -> resultList.stream().reduce(reducer).orElse(emptyValue)); }
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Returns a new CompletableFuture completed by reducing a list of computed values when all of the given CompletableFuture complete. @param futures the CompletableFutures @param reducer reducer for computing the result @param emptyValue zero value to be returned if the input future list is empty @param <T> value type of CompletableFuture @return a new CompletableFuture that is completed when all of the given CompletableFutures complete
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/utils/src/main/java/io/atomix/utils/concurrent/Futures.java#L206-L209
27,572
atomix/atomix
protocols/primary-backup/src/main/java/io/atomix/protocols/backup/roles/PrimaryBackupRole.java
PrimaryBackupRole.execute
public CompletableFuture<ExecuteResponse> execute(ExecuteRequest request) { logRequest(request); return CompletableFuture.completedFuture(logResponse(ExecuteResponse.error())); }
java
public CompletableFuture<ExecuteResponse> execute(ExecuteRequest request) { logRequest(request); return CompletableFuture.completedFuture(logResponse(ExecuteResponse.error())); }
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Handles an execute response. @param request the execute request @return future to be completed with the execute response
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/primary-backup/src/main/java/io/atomix/protocols/backup/roles/PrimaryBackupRole.java#L85-L88
27,573
atomix/atomix
protocols/raft/src/main/java/io/atomix/protocols/raft/session/impl/RaftSessionListener.java
RaftSessionListener.addEventListener
public void addEventListener(EventType eventType, Consumer<PrimitiveEvent> listener) { executor.execute(() -> eventListeners.computeIfAbsent(eventType.canonicalize(), e -> Sets.newLinkedHashSet()).add(listener)); }
java
public void addEventListener(EventType eventType, Consumer<PrimitiveEvent> listener) { executor.execute(() -> eventListeners.computeIfAbsent(eventType.canonicalize(), e -> Sets.newLinkedHashSet()).add(listener)); }
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Adds an event listener to the session. @param listener the event listener callback
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/raft/src/main/java/io/atomix/protocols/raft/session/impl/RaftSessionListener.java#L69-L71
27,574
atomix/atomix
protocols/raft/src/main/java/io/atomix/protocols/raft/session/impl/RaftSessionListener.java
RaftSessionListener.removeEventListener
public void removeEventListener(EventType eventType, Consumer<PrimitiveEvent> listener) { executor.execute(() -> eventListeners.computeIfAbsent(eventType.canonicalize(), e -> Sets.newLinkedHashSet()).remove(listener)); }
java
public void removeEventListener(EventType eventType, Consumer<PrimitiveEvent> listener) { executor.execute(() -> eventListeners.computeIfAbsent(eventType.canonicalize(), e -> Sets.newLinkedHashSet()).remove(listener)); }
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Removes an event listener from the session. @param listener the event listener callback
[ "Removes", "an", "event", "listener", "from", "the", "session", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/raft/src/main/java/io/atomix/protocols/raft/session/impl/RaftSessionListener.java#L78-L80
27,575
atomix/atomix
protocols/raft/src/main/java/io/atomix/protocols/raft/session/impl/RaftSessionListener.java
RaftSessionListener.close
public CompletableFuture<Void> close() { protocol.unregisterPublishListener(state.getSessionId()); return CompletableFuture.completedFuture(null); }
java
public CompletableFuture<Void> close() { protocol.unregisterPublishListener(state.getSessionId()); return CompletableFuture.completedFuture(null); }
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Closes the session event listener. @return A completable future to be completed once the listener is closed.
[ "Closes", "the", "session", "event", "listener", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/protocols/raft/src/main/java/io/atomix/protocols/raft/session/impl/RaftSessionListener.java#L141-L144
27,576
atomix/atomix
primitive/src/main/java/io/atomix/primitive/operation/Operations.java
Operations.findMethods
private static Map<Method, OperationId> findMethods(Class<?> type) { Map<Method, OperationId> operations = new HashMap<>(); for (Method method : type.getDeclaredMethods()) { OperationId operationId = getOperationId(method); if (operationId != null) { if (operations.values().stream().anyMatch(operation -> operation.id().equals(operationId.id()))) { throw new IllegalStateException("Duplicate operation name '" + operationId.id() + "'"); } operations.put(method, operationId); } } for (Class<?> iface : type.getInterfaces()) { operations.putAll(findMethods(iface)); } return operations; }
java
private static Map<Method, OperationId> findMethods(Class<?> type) { Map<Method, OperationId> operations = new HashMap<>(); for (Method method : type.getDeclaredMethods()) { OperationId operationId = getOperationId(method); if (operationId != null) { if (operations.values().stream().anyMatch(operation -> operation.id().equals(operationId.id()))) { throw new IllegalStateException("Duplicate operation name '" + operationId.id() + "'"); } operations.put(method, operationId); } } for (Class<?> iface : type.getInterfaces()) { operations.putAll(findMethods(iface)); } return operations; }
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Recursively finds operations defined by the given type and its implemented interfaces. @param type the type for which to find operations @return the operations defined by the given type and its parent interfaces
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/primitive/src/main/java/io/atomix/primitive/operation/Operations.java#L50-L65
27,577
atomix/atomix
primitive/src/main/java/io/atomix/primitive/operation/Operations.java
Operations.getOperationId
private static OperationId getOperationId(Method method) { Command command = method.getAnnotation(Command.class); if (command != null) { String name = command.value().equals("") ? method.getName() : command.value(); return OperationId.from(name, OperationType.COMMAND); } Query query = method.getAnnotation(Query.class); if (query != null) { String name = query.value().equals("") ? method.getName() : query.value(); return OperationId.from(name, OperationType.QUERY); } Operation operation = method.getAnnotation(Operation.class); if (operation != null) { String name = operation.value().equals("") ? method.getName() : operation.value(); return OperationId.from(name, operation.type()); } return null; }
java
private static OperationId getOperationId(Method method) { Command command = method.getAnnotation(Command.class); if (command != null) { String name = command.value().equals("") ? method.getName() : command.value(); return OperationId.from(name, OperationType.COMMAND); } Query query = method.getAnnotation(Query.class); if (query != null) { String name = query.value().equals("") ? method.getName() : query.value(); return OperationId.from(name, OperationType.QUERY); } Operation operation = method.getAnnotation(Operation.class); if (operation != null) { String name = operation.value().equals("") ? method.getName() : operation.value(); return OperationId.from(name, operation.type()); } return null; }
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Returns the operation ID for the given method. @param method the method for which to lookup the operation ID @return the operation ID for the given method or null if the method is not annotated
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/primitive/src/main/java/io/atomix/primitive/operation/Operations.java#L117-L134
27,578
atomix/atomix
cluster/src/main/java/io/atomix/cluster/messaging/impl/NettyUnicastService.java
NettyUnicastService.bind
private void bind(Bootstrap bootstrap, Iterator<String> ifaces, int port, CompletableFuture<Void> future) { if (ifaces.hasNext()) { String iface = ifaces.next(); bootstrap.bind(iface, port).addListener((ChannelFutureListener) f -> { if (f.isSuccess()) { log.info("UDP server listening for connections on {}:{}", iface, port); channel = (DatagramChannel) f.channel(); bind(bootstrap, ifaces, port, future); } else { log.warn("Failed to bind TCP server to port {}:{} due to {}", iface, port, f.cause()); future.completeExceptionally(f.cause()); } }); } else { future.complete(null); } }
java
private void bind(Bootstrap bootstrap, Iterator<String> ifaces, int port, CompletableFuture<Void> future) { if (ifaces.hasNext()) { String iface = ifaces.next(); bootstrap.bind(iface, port).addListener((ChannelFutureListener) f -> { if (f.isSuccess()) { log.info("UDP server listening for connections on {}:{}", iface, port); channel = (DatagramChannel) f.channel(); bind(bootstrap, ifaces, port, future); } else { log.warn("Failed to bind TCP server to port {}:{} due to {}", iface, port, f.cause()); future.completeExceptionally(f.cause()); } }); } else { future.complete(null); } }
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Recursively binds the given bootstrap to the given interfaces. @param bootstrap the bootstrap to bind @param ifaces an iterator of interfaces to which to bind @param port the port to which to bind @param future the future to completed once the bootstrap has been bound to all provided interfaces
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/cluster/src/main/java/io/atomix/cluster/messaging/impl/NettyUnicastService.java#L153-L169
27,579
atomix/atomix
cluster/src/main/java/io/atomix/cluster/messaging/impl/DefaultClusterEventService.java
DefaultClusterEventService.getSubscriberNodes
private Stream<MemberId> getSubscriberNodes(String topicName) { InternalTopic topic = topics.get(topicName); if (topic == null) { return Stream.empty(); } return topic.remoteSubscriptions().stream() .filter(s -> !s.isTombstone()) .map(s -> s.memberId()) .distinct(); }
java
private Stream<MemberId> getSubscriberNodes(String topicName) { InternalTopic topic = topics.get(topicName); if (topic == null) { return Stream.empty(); } return topic.remoteSubscriptions().stream() .filter(s -> !s.isTombstone()) .map(s -> s.memberId()) .distinct(); }
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Returns a collection of nodes that subscribe to the given topic. @param topicName the topic for which to return the collection of subscriber nodes @return the collection of subscribers for the given topic
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/cluster/src/main/java/io/atomix/cluster/messaging/impl/DefaultClusterEventService.java#L142-L151
27,580
atomix/atomix
cluster/src/main/java/io/atomix/cluster/messaging/impl/DefaultClusterEventService.java
DefaultClusterEventService.getNextMemberId
private MemberId getNextMemberId(String topicName) { InternalTopic topic = topics.get(topicName); if (topic == null) { return null; } TopicIterator iterator = topic.iterator(); if (iterator.hasNext()) { return iterator.next().memberId(); } return null; }
java
private MemberId getNextMemberId(String topicName) { InternalTopic topic = topics.get(topicName); if (topic == null) { return null; } TopicIterator iterator = topic.iterator(); if (iterator.hasNext()) { return iterator.next().memberId(); } return null; }
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Returns the next node ID for the given message topic. @param topicName the topic for which to return the next node ID @return the next node ID for the given message topic
[ "Returns", "the", "next", "node", "ID", "for", "the", "given", "message", "topic", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/cluster/src/main/java/io/atomix/cluster/messaging/impl/DefaultClusterEventService.java#L159-L170
27,581
atomix/atomix
cluster/src/main/java/io/atomix/cluster/messaging/impl/DefaultClusterEventService.java
DefaultClusterEventService.update
private void update(Collection<InternalSubscriptionInfo> subscriptions) { for (InternalSubscriptionInfo subscription : subscriptions) { InternalTopic topic = topics.computeIfAbsent(subscription.topic, InternalTopic::new); InternalSubscriptionInfo matchingSubscription = topic.remoteSubscriptions().stream() .filter(s -> s.memberId().equals(subscription.memberId()) && s.logicalTimestamp().equals(subscription.logicalTimestamp())) .findFirst() .orElse(null); if (matchingSubscription == null) { topic.addRemoteSubscription(subscription); } else if (subscription.isTombstone()) { topic.removeRemoteSubscription(subscription); } } }
java
private void update(Collection<InternalSubscriptionInfo> subscriptions) { for (InternalSubscriptionInfo subscription : subscriptions) { InternalTopic topic = topics.computeIfAbsent(subscription.topic, InternalTopic::new); InternalSubscriptionInfo matchingSubscription = topic.remoteSubscriptions().stream() .filter(s -> s.memberId().equals(subscription.memberId()) && s.logicalTimestamp().equals(subscription.logicalTimestamp())) .findFirst() .orElse(null); if (matchingSubscription == null) { topic.addRemoteSubscription(subscription); } else if (subscription.isTombstone()) { topic.removeRemoteSubscription(subscription); } } }
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Handles a collection of subscription updates received via the gossip protocol. @param subscriptions a collection of subscriptions provided by the sender
[ "Handles", "a", "collection", "of", "subscription", "updates", "received", "via", "the", "gossip", "protocol", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/cluster/src/main/java/io/atomix/cluster/messaging/impl/DefaultClusterEventService.java#L207-L220
27,582
atomix/atomix
cluster/src/main/java/io/atomix/cluster/messaging/impl/DefaultClusterEventService.java
DefaultClusterEventService.gossip
private void gossip() { List<Member> members = membershipService.getMembers() .stream() .filter(node -> !localMemberId.equals(node.id())) .filter(node -> node.isReachable()) .collect(Collectors.toList()); if (!members.isEmpty()) { Collections.shuffle(members); Member member = members.get(0); updateNode(member); } }
java
private void gossip() { List<Member> members = membershipService.getMembers() .stream() .filter(node -> !localMemberId.equals(node.id())) .filter(node -> node.isReachable()) .collect(Collectors.toList()); if (!members.isEmpty()) { Collections.shuffle(members); Member member = members.get(0); updateNode(member); } }
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Sends a gossip message to an active peer.
[ "Sends", "a", "gossip", "message", "to", "an", "active", "peer", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/cluster/src/main/java/io/atomix/cluster/messaging/impl/DefaultClusterEventService.java#L225-L237
27,583
atomix/atomix
cluster/src/main/java/io/atomix/cluster/messaging/impl/DefaultClusterEventService.java
DefaultClusterEventService.updateNodes
private CompletableFuture<Void> updateNodes() { List<CompletableFuture<Void>> futures = membershipService.getMembers() .stream() .filter(node -> !localMemberId.equals(node.id())) .map(this::updateNode) .collect(Collectors.toList()); return CompletableFuture.allOf(futures.toArray(new CompletableFuture[futures.size()])); }
java
private CompletableFuture<Void> updateNodes() { List<CompletableFuture<Void>> futures = membershipService.getMembers() .stream() .filter(node -> !localMemberId.equals(node.id())) .map(this::updateNode) .collect(Collectors.toList()); return CompletableFuture.allOf(futures.toArray(new CompletableFuture[futures.size()])); }
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Updates all active peers with a given subscription.
[ "Updates", "all", "active", "peers", "with", "a", "given", "subscription", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/cluster/src/main/java/io/atomix/cluster/messaging/impl/DefaultClusterEventService.java#L242-L249
27,584
atomix/atomix
cluster/src/main/java/io/atomix/cluster/messaging/impl/DefaultClusterEventService.java
DefaultClusterEventService.updateNode
private CompletableFuture<Void> updateNode(Member member) { long updateTime = System.currentTimeMillis(); long lastUpdateTime = updateTimes.getOrDefault(member.id(), 0L); Collection<InternalSubscriptionInfo> subscriptions = topics.values() .stream() .flatMap(t -> t.remoteSubscriptions().stream().filter(subscriber -> subscriber.timestamp().unixTimestamp() >= lastUpdateTime)) .collect(Collectors.toList()); CompletableFuture<Void> future = new CompletableFuture<>(); messagingService.sendAndReceive(member.address(), GOSSIP_MESSAGE_SUBJECT, SERIALIZER.encode(subscriptions)) .whenComplete((result, error) -> { if (error == null) { updateTimes.put(member.id(), updateTime); } future.complete(null); }); return future; }
java
private CompletableFuture<Void> updateNode(Member member) { long updateTime = System.currentTimeMillis(); long lastUpdateTime = updateTimes.getOrDefault(member.id(), 0L); Collection<InternalSubscriptionInfo> subscriptions = topics.values() .stream() .flatMap(t -> t.remoteSubscriptions().stream().filter(subscriber -> subscriber.timestamp().unixTimestamp() >= lastUpdateTime)) .collect(Collectors.toList()); CompletableFuture<Void> future = new CompletableFuture<>(); messagingService.sendAndReceive(member.address(), GOSSIP_MESSAGE_SUBJECT, SERIALIZER.encode(subscriptions)) .whenComplete((result, error) -> { if (error == null) { updateTimes.put(member.id(), updateTime); } future.complete(null); }); return future; }
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Sends an update to the given node. @param member the node to which to send the update
[ "Sends", "an", "update", "to", "the", "given", "node", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/cluster/src/main/java/io/atomix/cluster/messaging/impl/DefaultClusterEventService.java#L256-L274
27,585
atomix/atomix
cluster/src/main/java/io/atomix/cluster/messaging/impl/DefaultClusterEventService.java
DefaultClusterEventService.purgeTombstones
private void purgeTombstones() { long minTombstoneTime = membershipService.getMembers() .stream() .map(node -> updateTimes.getOrDefault(node.id(), 0L)) .reduce(Math::min) .orElse(0L); for (InternalTopic topic : topics.values()) { topic.purgeTombstones(minTombstoneTime); } }
java
private void purgeTombstones() { long minTombstoneTime = membershipService.getMembers() .stream() .map(node -> updateTimes.getOrDefault(node.id(), 0L)) .reduce(Math::min) .orElse(0L); for (InternalTopic topic : topics.values()) { topic.purgeTombstones(minTombstoneTime); } }
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Purges tombstones from the subscription list.
[ "Purges", "tombstones", "from", "the", "subscription", "list", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/cluster/src/main/java/io/atomix/cluster/messaging/impl/DefaultClusterEventService.java#L279-L288
27,586
atomix/atomix
utils/src/main/java/io/atomix/utils/concurrent/Retries.java
Retries.retryable
public static <U, V> Function<U, V> retryable(Function<U, V> base, Class<? extends Throwable> exceptionClass, int maxRetries, int maxDelayBetweenRetries) { return new RetryingFunction<>(base, exceptionClass, maxRetries, maxDelayBetweenRetries); }
java
public static <U, V> Function<U, V> retryable(Function<U, V> base, Class<? extends Throwable> exceptionClass, int maxRetries, int maxDelayBetweenRetries) { return new RetryingFunction<>(base, exceptionClass, maxRetries, maxDelayBetweenRetries); }
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Returns a function that retries execution on failure. @param base base function @param exceptionClass type of exception for which to retry @param maxRetries max number of retries before giving up @param maxDelayBetweenRetries max delay between successive retries. The actual delay is randomly picked from the interval (0, maxDelayBetweenRetries] @return function @param <U> type of function input @param <V> type of function output
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/utils/src/main/java/io/atomix/utils/concurrent/Retries.java#L38-L43
27,587
atomix/atomix
utils/src/main/java/io/atomix/utils/concurrent/Retries.java
Retries.retryable
public static <V> Supplier<V> retryable(Supplier<V> base, Class<? extends Throwable> exceptionClass, int maxRetries, int maxDelayBetweenRetries) { return () -> new RetryingFunction<>(v -> base.get(), exceptionClass, maxRetries, maxDelayBetweenRetries).apply(null); }
java
public static <V> Supplier<V> retryable(Supplier<V> base, Class<? extends Throwable> exceptionClass, int maxRetries, int maxDelayBetweenRetries) { return () -> new RetryingFunction<>(v -> base.get(), exceptionClass, maxRetries, maxDelayBetweenRetries).apply(null); }
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Returns a Supplier that retries execution on failure. @param base base supplier @param exceptionClass type of exception for which to retry @param maxRetries max number of retries before giving up @param maxDelayBetweenRetries max delay between successive retries. The actual delay is randomly picked from the interval (0, maxDelayBetweenRetries] @return supplier @param <V> type of supplied result
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/utils/src/main/java/io/atomix/utils/concurrent/Retries.java#L55-L63
27,588
atomix/atomix
utils/src/main/java/io/atomix/utils/concurrent/Retries.java
Retries.randomDelay
public static void randomDelay(int ms) { try { Thread.sleep(ThreadLocalRandom.current().nextInt(ms)); } catch (InterruptedException e) { throw new RuntimeException("Interrupted", e); } }
java
public static void randomDelay(int ms) { try { Thread.sleep(ThreadLocalRandom.current().nextInt(ms)); } catch (InterruptedException e) { throw new RuntimeException("Interrupted", e); } }
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Suspends the current thread for a random number of millis between 0 and the indicated limit. @param ms max number of millis
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/utils/src/main/java/io/atomix/utils/concurrent/Retries.java#L71-L77
27,589
atomix/atomix
utils/src/main/java/io/atomix/utils/concurrent/Retries.java
Retries.delay
public static void delay(int ms, int nanos) { try { Thread.sleep(ms, nanos); } catch (InterruptedException e) { throw new RuntimeException("Interrupted", e); } }
java
public static void delay(int ms, int nanos) { try { Thread.sleep(ms, nanos); } catch (InterruptedException e) { throw new RuntimeException("Interrupted", e); } }
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Suspends the current thread for a specified number of millis and nanos. @param ms number of millis @param nanos number of nanos
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/utils/src/main/java/io/atomix/utils/concurrent/Retries.java#L85-L91
27,590
atomix/atomix
core/src/main/java/io/atomix/core/tree/impl/DefaultDocumentTreeNode.java
DefaultDocumentTreeNode.addChild
public Versioned<V> addChild(String name, V newValue, long newVersion) { DefaultDocumentTreeNode<V> child = (DefaultDocumentTreeNode<V>) children.get(name); if (child != null) { return child.value(); } children.put(name, new DefaultDocumentTreeNode<>( new DocumentPath(name, path()), newValue, newVersion, ordering, this)); return null; }
java
public Versioned<V> addChild(String name, V newValue, long newVersion) { DefaultDocumentTreeNode<V> child = (DefaultDocumentTreeNode<V>) children.get(name); if (child != null) { return child.value(); } children.put(name, new DefaultDocumentTreeNode<>( new DocumentPath(name, path()), newValue, newVersion, ordering, this)); return null; }
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Adds a new child only if one does not exist with the name. @param name relative path name of the child node @param newValue new value to set @param newVersion new version to set @return previous value; can be {@code null} if no child currently exists with that relative path name. a non null return value indicates child already exists and no modification occurred.
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3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/core/src/main/java/io/atomix/core/tree/impl/DefaultDocumentTreeNode.java#L98-L106
27,591
atomix/atomix
core/src/main/java/io/atomix/core/tree/impl/DefaultDocumentTreeNode.java
DefaultDocumentTreeNode.update
public Versioned<V> update(V newValue, long newVersion) { Versioned<V> previousValue = value; value = new Versioned<>(newValue, newVersion); return previousValue; }
java
public Versioned<V> update(V newValue, long newVersion) { Versioned<V> previousValue = value; value = new Versioned<>(newValue, newVersion); return previousValue; }
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Updates the node value. @param newValue new value to set @param newVersion new version to set @return previous value
[ "Updates", "the", "node", "value", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/core/src/main/java/io/atomix/core/tree/impl/DefaultDocumentTreeNode.java#L115-L119
27,592
atomix/atomix
cluster/src/main/java/io/atomix/cluster/protocol/SwimMembershipProtocol.java
SwimMembershipProtocol.checkFailures
private void checkFailures() { for (SwimMember member : members.values()) { if (member.getState() == State.SUSPECT && System.currentTimeMillis() - member.getUpdated() > config.getFailureTimeout().toMillis()) { member.setState(State.DEAD); members.remove(member.id()); randomMembers.remove(member); Collections.shuffle(randomMembers); LOGGER.debug("{} - Member removed {}", this.localMember.id(), member); post(new GroupMembershipEvent(GroupMembershipEvent.Type.MEMBER_REMOVED, member.copy())); recordUpdate(member.copy()); } } }
java
private void checkFailures() { for (SwimMember member : members.values()) { if (member.getState() == State.SUSPECT && System.currentTimeMillis() - member.getUpdated() > config.getFailureTimeout().toMillis()) { member.setState(State.DEAD); members.remove(member.id()); randomMembers.remove(member); Collections.shuffle(randomMembers); LOGGER.debug("{} - Member removed {}", this.localMember.id(), member); post(new GroupMembershipEvent(GroupMembershipEvent.Type.MEMBER_REMOVED, member.copy())); recordUpdate(member.copy()); } } }
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Checks suspect nodes for failures.
[ "Checks", "suspect", "nodes", "for", "failures", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/cluster/src/main/java/io/atomix/cluster/protocol/SwimMembershipProtocol.java#L329-L341
27,593
atomix/atomix
cluster/src/main/java/io/atomix/cluster/protocol/SwimMembershipProtocol.java
SwimMembershipProtocol.sync
private void sync() { List<SwimMember> syncMembers = discoveryService.getNodes().stream() .map(node -> new SwimMember(MemberId.from(node.id().id()), node.address())) .filter(member -> !member.id().equals(localMember.id())) .collect(Collectors.toList()); for (SwimMember member : syncMembers) { sync(member.copy()); } }
java
private void sync() { List<SwimMember> syncMembers = discoveryService.getNodes().stream() .map(node -> new SwimMember(MemberId.from(node.id().id()), node.address())) .filter(member -> !member.id().equals(localMember.id())) .collect(Collectors.toList()); for (SwimMember member : syncMembers) { sync(member.copy()); } }
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Synchronizes the node state with peers.
[ "Synchronizes", "the", "node", "state", "with", "peers", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/cluster/src/main/java/io/atomix/cluster/protocol/SwimMembershipProtocol.java#L346-L354
27,594
atomix/atomix
cluster/src/main/java/io/atomix/cluster/protocol/SwimMembershipProtocol.java
SwimMembershipProtocol.sync
private void sync(ImmutableMember member) { LOGGER.trace("{} - Synchronizing membership with {}", localMember.id(), member); bootstrapService.getMessagingService().sendAndReceive( member.address(), MEMBERSHIP_SYNC, SERIALIZER.encode(localMember.copy()), false, config.getProbeTimeout()) .whenCompleteAsync((response, error) -> { if (error == null) { Collection<ImmutableMember> members = SERIALIZER.decode(response); members.forEach(this::updateState); } else { LOGGER.debug("{} - Failed to synchronize membership with {}", localMember.id(), member); } }, swimScheduler); }
java
private void sync(ImmutableMember member) { LOGGER.trace("{} - Synchronizing membership with {}", localMember.id(), member); bootstrapService.getMessagingService().sendAndReceive( member.address(), MEMBERSHIP_SYNC, SERIALIZER.encode(localMember.copy()), false, config.getProbeTimeout()) .whenCompleteAsync((response, error) -> { if (error == null) { Collection<ImmutableMember> members = SERIALIZER.decode(response); members.forEach(this::updateState); } else { LOGGER.debug("{} - Failed to synchronize membership with {}", localMember.id(), member); } }, swimScheduler); }
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Synchronizes the node state with the given peer. @param member the peer with which to synchronize the node state
[ "Synchronizes", "the", "node", "state", "with", "the", "given", "peer", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/cluster/src/main/java/io/atomix/cluster/protocol/SwimMembershipProtocol.java#L361-L373
27,595
atomix/atomix
cluster/src/main/java/io/atomix/cluster/protocol/SwimMembershipProtocol.java
SwimMembershipProtocol.handleSync
private Collection<ImmutableMember> handleSync(ImmutableMember member) { updateState(member); return new ArrayList<>(members.values().stream().map(SwimMember::copy).collect(Collectors.toList())); }
java
private Collection<ImmutableMember> handleSync(ImmutableMember member) { updateState(member); return new ArrayList<>(members.values().stream().map(SwimMember::copy).collect(Collectors.toList())); }
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Handles a synchronize request from a peer. @param member the peer from which to handle the request
[ "Handles", "a", "synchronize", "request", "from", "a", "peer", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/cluster/src/main/java/io/atomix/cluster/protocol/SwimMembershipProtocol.java#L380-L383
27,596
atomix/atomix
cluster/src/main/java/io/atomix/cluster/protocol/SwimMembershipProtocol.java
SwimMembershipProtocol.probe
private void probe() { // First get a sorted list of discovery service nodes that are not present in the SWIM members. // This is necessary to ensure we attempt to probe all nodes that are provided by the discovery provider. List<SwimMember> probeMembers = Lists.newArrayList(discoveryService.getNodes().stream() .map(node -> new SwimMember(MemberId.from(node.id().id()), node.address())) .filter(member -> !members.containsKey(member.id())) .filter(member -> !member.id().equals(localMember.id())) .sorted(Comparator.comparing(Member::id)) .collect(Collectors.toList())); // Then add the randomly sorted list of SWIM members. probeMembers.addAll(randomMembers); // If there are members to probe, select the next member to probe using a counter for round robin probes. if (!probeMembers.isEmpty()) { SwimMember probeMember = probeMembers.get(Math.abs(probeCounter.incrementAndGet() % probeMembers.size())); probe(probeMember.copy()); } }
java
private void probe() { // First get a sorted list of discovery service nodes that are not present in the SWIM members. // This is necessary to ensure we attempt to probe all nodes that are provided by the discovery provider. List<SwimMember> probeMembers = Lists.newArrayList(discoveryService.getNodes().stream() .map(node -> new SwimMember(MemberId.from(node.id().id()), node.address())) .filter(member -> !members.containsKey(member.id())) .filter(member -> !member.id().equals(localMember.id())) .sorted(Comparator.comparing(Member::id)) .collect(Collectors.toList())); // Then add the randomly sorted list of SWIM members. probeMembers.addAll(randomMembers); // If there are members to probe, select the next member to probe using a counter for round robin probes. if (!probeMembers.isEmpty()) { SwimMember probeMember = probeMembers.get(Math.abs(probeCounter.incrementAndGet() % probeMembers.size())); probe(probeMember.copy()); } }
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Sends probes to all members or to the next member in round robin fashion.
[ "Sends", "probes", "to", "all", "members", "or", "to", "the", "next", "member", "in", "round", "robin", "fashion", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/cluster/src/main/java/io/atomix/cluster/protocol/SwimMembershipProtocol.java#L388-L406
27,597
atomix/atomix
cluster/src/main/java/io/atomix/cluster/protocol/SwimMembershipProtocol.java
SwimMembershipProtocol.probe
private void probe(ImmutableMember member) { LOGGER.trace("{} - Probing {}", localMember.id(), member); bootstrapService.getMessagingService().sendAndReceive( member.address(), MEMBERSHIP_PROBE, SERIALIZER.encode(Pair.of(localMember.copy(), member)), false, config.getProbeTimeout()) .whenCompleteAsync((response, error) -> { if (error == null) { updateState(SERIALIZER.decode(response)); } else { LOGGER.debug("{} - Failed to probe {}", this.localMember.id(), member, error); // Verify that the local member term has not changed and request probes from peers. SwimMember swimMember = members.get(member.id()); if (swimMember != null && swimMember.getIncarnationNumber() == member.incarnationNumber()) { requestProbes(swimMember.copy()); } } }, swimScheduler); }
java
private void probe(ImmutableMember member) { LOGGER.trace("{} - Probing {}", localMember.id(), member); bootstrapService.getMessagingService().sendAndReceive( member.address(), MEMBERSHIP_PROBE, SERIALIZER.encode(Pair.of(localMember.copy(), member)), false, config.getProbeTimeout()) .whenCompleteAsync((response, error) -> { if (error == null) { updateState(SERIALIZER.decode(response)); } else { LOGGER.debug("{} - Failed to probe {}", this.localMember.id(), member, error); // Verify that the local member term has not changed and request probes from peers. SwimMember swimMember = members.get(member.id()); if (swimMember != null && swimMember.getIncarnationNumber() == member.incarnationNumber()) { requestProbes(swimMember.copy()); } } }, swimScheduler); }
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Probes the given member. @param member the member to probe
[ "Probes", "the", "given", "member", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/cluster/src/main/java/io/atomix/cluster/protocol/SwimMembershipProtocol.java#L413-L429
27,598
atomix/atomix
cluster/src/main/java/io/atomix/cluster/protocol/SwimMembershipProtocol.java
SwimMembershipProtocol.handleProbe
private ImmutableMember handleProbe(Pair<ImmutableMember, ImmutableMember> members) { ImmutableMember remoteMember = members.getLeft(); ImmutableMember localMember = members.getRight(); LOGGER.trace("{} - Received probe {} from {}", this.localMember.id(), localMember, remoteMember); // If the probe indicates a term greater than the local term, update the local term, increment and respond. if (localMember.incarnationNumber() > this.localMember.getIncarnationNumber()) { this.localMember.setIncarnationNumber(localMember.incarnationNumber() + 1); if (config.isBroadcastDisputes()) { broadcast(this.localMember.copy()); } } // If the probe indicates this member is suspect, increment the local term and respond. else if (localMember.state() == State.SUSPECT) { this.localMember.setIncarnationNumber(this.localMember.getIncarnationNumber() + 1); if (config.isBroadcastDisputes()) { broadcast(this.localMember.copy()); } } // Update the state of the probing member. updateState(remoteMember); return this.localMember.copy(); }
java
private ImmutableMember handleProbe(Pair<ImmutableMember, ImmutableMember> members) { ImmutableMember remoteMember = members.getLeft(); ImmutableMember localMember = members.getRight(); LOGGER.trace("{} - Received probe {} from {}", this.localMember.id(), localMember, remoteMember); // If the probe indicates a term greater than the local term, update the local term, increment and respond. if (localMember.incarnationNumber() > this.localMember.getIncarnationNumber()) { this.localMember.setIncarnationNumber(localMember.incarnationNumber() + 1); if (config.isBroadcastDisputes()) { broadcast(this.localMember.copy()); } } // If the probe indicates this member is suspect, increment the local term and respond. else if (localMember.state() == State.SUSPECT) { this.localMember.setIncarnationNumber(this.localMember.getIncarnationNumber() + 1); if (config.isBroadcastDisputes()) { broadcast(this.localMember.copy()); } } // Update the state of the probing member. updateState(remoteMember); return this.localMember.copy(); }
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Handles a probe from another peer. @param members the probing member and local member info @return the current term
[ "Handles", "a", "probe", "from", "another", "peer", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/cluster/src/main/java/io/atomix/cluster/protocol/SwimMembershipProtocol.java#L437-L461
27,599
atomix/atomix
cluster/src/main/java/io/atomix/cluster/protocol/SwimMembershipProtocol.java
SwimMembershipProtocol.requestProbes
private void requestProbes(ImmutableMember suspect) { Collection<SwimMember> members = selectRandomMembers(config.getSuspectProbes() - 1, suspect); if (!members.isEmpty()) { AtomicInteger counter = new AtomicInteger(); AtomicBoolean succeeded = new AtomicBoolean(); for (SwimMember member : members) { requestProbe(member, suspect).whenCompleteAsync((success, error) -> { int count = counter.incrementAndGet(); if (error == null && success) { succeeded.set(true); } // If the count is equal to the number of probe peers and no probe has succeeded, the node is unreachable. else if (count == members.size() && !succeeded.get()) { failProbes(suspect); } }, swimScheduler); } } else { failProbes(suspect); } }
java
private void requestProbes(ImmutableMember suspect) { Collection<SwimMember> members = selectRandomMembers(config.getSuspectProbes() - 1, suspect); if (!members.isEmpty()) { AtomicInteger counter = new AtomicInteger(); AtomicBoolean succeeded = new AtomicBoolean(); for (SwimMember member : members) { requestProbe(member, suspect).whenCompleteAsync((success, error) -> { int count = counter.incrementAndGet(); if (error == null && success) { succeeded.set(true); } // If the count is equal to the number of probe peers and no probe has succeeded, the node is unreachable. else if (count == members.size() && !succeeded.get()) { failProbes(suspect); } }, swimScheduler); } } else { failProbes(suspect); } }
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Requests probes from n peers.
[ "Requests", "probes", "from", "n", "peers", "." ]
3a94b7c80576d762dd0d396d4645df07a0b37c31
https://github.com/atomix/atomix/blob/3a94b7c80576d762dd0d396d4645df07a0b37c31/cluster/src/main/java/io/atomix/cluster/protocol/SwimMembershipProtocol.java#L466-L486