repo_name string | dataset string | owner string | lang string | func_name string | code string | docstring string | url string | sha string |
|---|---|---|---|---|---|---|---|---|
project-lakechain | github_2023 | awslabs | typescript | OllamaEmbeddingProcessor.supportedInputTypes | supportedInputTypes(): string[] {
return (this.props.model.definition.inputs);
} | /**
* @returns an array of mime-types supported as input
* type by this middleware.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/ollama-embedding-processor/src/index.ts#L224-L226 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | OllamaEmbeddingProcessor.supportedOutputTypes | supportedOutputTypes(): string[] {
return (this.props.model.definition.outputs);
} | /**
* @returns an array of mime-types supported as output
* type by the data producer.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/ollama-embedding-processor/src/index.ts#L232-L234 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | OllamaEmbeddingProcessor.supportedComputeTypes | supportedComputeTypes(): ComputeType[] {
return ([
ComputeType.CPU,
ComputeType.GPU
]);
} | /**
* @returns the supported compute types by a given
* middleware.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/ollama-embedding-processor/src/index.ts#L240-L245 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | OllamaEmbeddingProcessor.conditional | conditional() {
return (super
.conditional()
.and(when('type').equals('document-created'))
);
} | /**
* @returns the middleware conditional statement defining
* in which conditions this middleware should be executed.
* In this case, we want the middleware to only be invoked
* when the document mime-type is supported, and the event
* type is `document-created`.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/ollama-embedding-processor/src/index.ts#L254-L259 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | getPlatform | const getPlatform = (instanceType: ec2.InstanceType) => {
if (instanceType.architecture === ec2.InstanceArchitecture.ARM_64) {
return assets.Platform.LINUX_ARM64;
} else {
return assets.Platform.LINUX_AMD64;
}
}; | /**
* A helper function returning the platform (AMD64 or ARM64)
* to use given an instance type.
* @param instanceType the instance type to evaluate.
* @returns the platform to use.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/ollama-embedding-processor/src/definitions/ecs-configuration.ts#L28-L34 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | InfrastructureDefinitionBuilder.withInstanceType | public withInstanceType(instanceType: ec2.InstanceType) {
this.props.instanceType = instanceType;
return (this);
} | /**
* Sets the instance type to use.
* @param instanceType the instance type to use.
* @returns the builder instance.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/ollama-embedding-processor/src/definitions/infrastructure.ts#L43-L46 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | InfrastructureDefinitionBuilder.withMaxMemory | public withMaxMemory(maxMemory: number) {
this.props.maxMemory = maxMemory;
return (this);
} | /**
* Sets the maximum memory to use.
* @param maxMemory the maximum memory to use.
* @returns the builder instance.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/ollama-embedding-processor/src/definitions/infrastructure.ts#L53-L56 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | InfrastructureDefinitionBuilder.withGpus | public withGpus(gpus: number) {
this.props.gpus = gpus;
return (this);
} | /**
* Sets the number of GPUs to use.
* @param gpus the number of GPUs to use.
* @returns the builder instance.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/ollama-embedding-processor/src/definitions/infrastructure.ts#L63-L66 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | InfrastructureDefinitionBuilder.build | public build(): InfrastructureDefinition {
return (InfrastructureDefinition.from(this.props));
} | /**
* Builds the infrastructure definition.
* @returns the infrastructure definition.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/ollama-embedding-processor/src/definitions/infrastructure.ts#L72-L74 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | InfrastructureDefinition.constructor | constructor(public props: InfrastructureDefinitionProps) {} | /**
* Creates a new instance of the `InfrastructureDefinition` class.
* @param props the infrastructure definition properties.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/ollama-embedding-processor/src/definitions/infrastructure.ts#L92-L92 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | InfrastructureDefinition.instanceType | public instanceType() {
return (this.props.instanceType);
} | /**
* @returns the instance type to use.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/ollama-embedding-processor/src/definitions/infrastructure.ts#L97-L99 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | InfrastructureDefinition.maxMemory | public maxMemory() {
return (this.props.maxMemory);
} | /**
* @returns the maximum memory to use.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/ollama-embedding-processor/src/definitions/infrastructure.ts#L104-L106 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | InfrastructureDefinition.gpus | public gpus() {
return (this.props.gpus);
} | /**
* @returns the number of GPUs to use.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/ollama-embedding-processor/src/definitions/infrastructure.ts#L111-L113 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | InfrastructureDefinition.from | public static from(props: any) {
return (new InfrastructureDefinition(InfrastructureDefinitionPropsSchema.parse(props)));
} | /**
* Creates a new instance of the `InfrastructureDefinition` class.
* @param props the infrastructure definition properties.
* @returns a new instance of the `InfrastructureDefinition` class.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/ollama-embedding-processor/src/definitions/infrastructure.ts#L120-L122 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | InfrastructureDefinition.toJSON | public toJSON() {
return (this.props);
} | /**
* @returns the JSON representation of the
* infrastructure definition.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/ollama-embedding-processor/src/definitions/infrastructure.ts#L128-L130 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | OllamaEmbeddingModel.of | public static of(
name: string,
opts: { tag: string }
) {
return (new OllamaEmbeddingModel(name, {
tag: opts.tag,
inputs: BASE_TEXT_INPUTS,
outputs: BASE_TEXT_INPUTS
}));
} | /**
* Create a new instance of the `OllamaEmbeddingModel`
* by name.
* @param name the name of the model.
* @returns a new instance of the `OllamaEmbeddingModel`.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/ollama-embedding-processor/src/definitions/model.ts#L126-L135 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | OllamaEmbeddingModel.constructor | constructor(
public name: string,
public definition: OllamaEmbeddingModelDefinition
) {} | /**
* Creates a new instance of the `OllamaEmbeddingModel` class.
* @param name the name of the model.
* @param definition the model definition.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/ollama-embedding-processor/src/definitions/model.ts#L142-L145 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | OllamaEmbeddingModel.tag | public tag(tag: string) {
this.definition.tag = tag;
return (this);
} | /**
* Sets the tag of the model.
* @param tag the tag of the model.
* @returns the model instance.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/ollama-embedding-processor/src/definitions/model.ts#L152-L155 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | PannsEmbeddingProcessorBuilder.withMaxInstances | public withMaxInstances(maxInstances: number) {
this.providerProps.maxInstances = maxInstances;
return (this);
} | /**
* The maximum amount of instances the
* cluster can have. Keep this number to
* a reasonable value to avoid over-provisioning
* the cluster.
* @param maxInstances the maximum amount of instances.
* @default 5
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/panns-embedding-processor/src/index.ts#L65-L68 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | PannsEmbeddingProcessorBuilder.build | public build(): PannsEmbeddingProcessor {
return (new PannsEmbeddingProcessor(
this.scope,
this.identifier, {
...this.providerProps as PannsEmbeddingProcessorProps,
...this.props
}
));
} | /**
* @returns a new instance of the `PannsEmbeddingProcessor`
* service constructed with the given parameters.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/panns-embedding-processor/src/index.ts#L74-L82 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | PannsEmbeddingProcessor.constructor | constructor(scope: Construct, id: string, private props: PannsEmbeddingProcessorProps) {
super(scope, id, description, props);
// Validate the properties.
this.props = this.parse(PannsEmbeddingProcessorPropsSchema, props);
///////////////////////////////////////////
///////// ECS Container /////////
///////////////////////////////////////////
const image = ecs.ContainerImage.fromDockerImageAsset(
new assets.DockerImageAsset(this, 'PannsImage', {
directory: path.resolve(__dirname, 'container'),
platform: assets.Platform.LINUX_AMD64
})
);
// Use the ECS container middleware pattern to create an
// auto-scaled ECS cluster, an EFS mounted on the cluster's tasks
// and all the components required to manage the cluster.
const cluster = new EcsCluster(this, 'Cluster', {
vpc: this.props.vpc,
eventQueue: this.eventQueue,
eventBus: this.eventBus,
kmsKey: this.props.kmsKey,
logGroup: this.logGroup,
containerProps: {
image,
containerName: 'panns-embedding-processor',
cpuLimit: 4096,
memoryLimitMiB: 8192,
gpuCount: 1,
environment: {
POWERTOOLS_SERVICE_NAME: description.name,
LAKECHAIN_CACHE_STORAGE: this.props.cacheStorage.id(),
CACHE_DIR: '/cache'
}
},
autoScaling: {
minInstanceCapacity: 0,
maxInstanceCapacity: this.props.maxInstances,
maxTaskCapacity: this.props.maxInstances,
maxMessagesPerTask: 5
},
launchTemplateProps: {
instanceType: DEFAULT_INSTANCE_TYPE,
machineImage: ecs.EcsOptimizedImage.amazonLinux2(
ecs.AmiHardwareType.GPU
),
ebsOptimized: true,
blockDevices: [{
deviceName: '/dev/xvda',
volume: ec2.BlockDeviceVolume.ebs(80)
}],
userData: ec2.UserData.forLinux()
},
fileSystem: {
throughputMode: efs.ThroughputMode.ELASTIC,
readonly: false,
containerPath: '/cache',
accessPoint: {
uid: 1000,
gid: 1000,
permission: 750
}
},
containerInsights: this.props.cloudWatchInsights
});
// Allows this construct to act as a `IGrantable`
// for other middlewares to grant the processing
// lambda permissions to access their resources.
this.grantPrincipal = cluster.taskRole.grantPrincipal;
super.bind();
} | /**
* Provider constructor.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/panns-embedding-processor/src/index.ts#L101-L176 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | PannsEmbeddingProcessor.grantReadProcessedDocuments | grantReadProcessedDocuments(grantee: iam.IGrantable): iam.Grant {
// Since this middleware simply passes through the data
// from the previous middleware, we grant any subsequent
// middlewares in the pipeline to have read access to the
// data of all source middlewares.
for (const source of this.sources) {
source.grantReadProcessedDocuments(grantee);
}
return ({} as iam.Grant);
} | /**
* Allows a grantee to read from the processed documents
* generated by this middleware.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/panns-embedding-processor/src/index.ts#L182-L191 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | PannsEmbeddingProcessor.supportedInputTypes | supportedInputTypes(): string[] {
return ([
'audio/mpeg',
'audio/mp4',
'audio/wav',
'audio/x-wav',
'audio/x-m4a',
'audio/ogg',
'audio/x-flac',
'audio/flac',
'audio/x-aiff',
'audio/aiff',
'audio/x-ms-wma',
'audio/x-matroska',
'audio/webm',
'audio/aac'
]);
} | /**
* @returns an array of mime-types supported as input
* type by this middleware.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/panns-embedding-processor/src/index.ts#L197-L214 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | PannsEmbeddingProcessor.supportedOutputTypes | supportedOutputTypes(): string[] {
return (this.supportedInputTypes());
} | /**
* @returns an array of mime-types supported as output
* type by the data producer.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/panns-embedding-processor/src/index.ts#L220-L222 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | PannsEmbeddingProcessor.supportedComputeTypes | supportedComputeTypes(): ComputeType[] {
return ([
ComputeType.GPU
]);
} | /**
* @returns the supported compute types by a given
* middleware.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/panns-embedding-processor/src/index.ts#L228-L232 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | PannsEmbeddingProcessor.conditional | conditional() {
return (super
.conditional()
.and(when('type').equals('document-created'))
);
} | /**
* @returns the middleware conditional statement defining
* in which conditions this middleware should be executed.
* In this case, we want the middleware to only be invoked
* when the document mime-type is supported, and the event
* type is `document-created`.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/panns-embedding-processor/src/index.ts#L241-L246 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | SentenceTransformersBuilder.withModel | public withModel(model: SentenceTransformersModel) {
this.providerProps.model = model;
return (this);
} | /**
* Sets the embedding model to use.
* @param model the embedding model to use.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/sentence-transformers/src/index.ts#L75-L78 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | SentenceTransformersBuilder.withMaxInstances | public withMaxInstances(maxInstances: number) {
this.providerProps.maxInstances = maxInstances;
return (this);
} | /**
* The maximum amount of instances the
* cluster can have. Keep this number to
* a reasonable value to avoid over-provisioning
* the cluster.
* @param maxInstances the maximum amount of instances.
* @default 5
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/sentence-transformers/src/index.ts#L88-L91 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | SentenceTransformersBuilder.build | public build(): SentenceTransformers {
return (new SentenceTransformers(
this.scope,
this.identifier, {
...this.providerProps as SentenceTransformersProps,
...this.props
}
));
} | /**
* @returns a new instance of the `SentenceTransformers`
* service constructed with the given parameters.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/sentence-transformers/src/index.ts#L97-L105 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | SentenceTransformers.constructor | constructor(scope: Construct, id: string, private props: SentenceTransformersProps) {
super(scope, id, description, {
...props,
queueVisibilityTimeout: cdk.Duration.seconds(
6 * PROCESSING_TIMEOUT.toSeconds()
)
});
// Validate the properties.
this.props = this.parse(SentenceTransformersPropsSchema, props);
///////////////////////////////////////////
////// Middleware Event Handler ////
///////////////////////////////////////////
// The container image to provision the ECS tasks with.
const image = ecs.ContainerImage.fromDockerImageAsset(
new assets.DockerImageAsset(this, 'Container', {
directory: path.resolve(__dirname, 'container'),
platform: assets.Platform.LINUX_AMD64
})
);
// Use the ECS container middleware pattern to create an
// auto-scaled ECS cluster, an EFS mounted on the cluster's tasks
// and all the components required to manage the cluster.
const cluster = new EcsCluster(this, 'Cluster', {
vpc: this.props.vpc,
eventQueue: this.eventQueue,
eventBus: this.eventBus,
kmsKey: this.props.kmsKey,
logGroup: this.logGroup,
containerProps: {
image,
containerName: 'sentence-transformers',
cpuLimit: 2048,
memoryLimitMiB: this.props.maxMemorySize ?? DEFAULT_MEMORY_SIZE,
gpuCount: 1,
environment: {
POWERTOOLS_SERVICE_NAME: description.name,
LAKECHAIN_CACHE_STORAGE: this.props.cacheStorage.id(),
EMBEDDING_MODEL: this.props.model.name,
CACHE_DIR: '/cache',
HF_HOME: '/cache'
}
},
autoScaling: {
minInstanceCapacity: 0,
maxInstanceCapacity: this.props.maxInstances,
maxTaskCapacity: this.props.maxInstances,
maxMessagesPerTask: 10
},
launchTemplateProps: {
instanceType: DEFAULT_INSTANCE_TYPE,
machineImage: ecs.EcsOptimizedImage.amazonLinux2(
ecs.AmiHardwareType.GPU
),
userData: ec2.UserData.forLinux()
},
fileSystem: {
throughputMode: efs.ThroughputMode.ELASTIC,
readonly: false,
containerPath: '/cache',
accessPoint: {
uid: 1000,
gid: 1000,
permission: 750
}
},
containerInsights: this.props.cloudWatchInsights
});
// Allows this construct to act as a `IGrantable`
// for other middlewares to grant the processing
// lambda permissions to access their resources.
this.grantPrincipal = cluster.taskRole.grantPrincipal;
// Grant the compute type permissions to
// publish to the SNS topic.
this.eventBus.grantPublish(this.grantPrincipal);
super.bind();
} | /**
* Construct constructor.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/sentence-transformers/src/index.ts#L127-L209 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | SentenceTransformers.grantReadProcessedDocuments | grantReadProcessedDocuments(grantee: iam.IGrantable): iam.Grant {
// Since this middleware simply passes through the data
// from the previous middleware, we grant any subsequent
// middlewares in the pipeline to have read access to the
// data of all source middlewares.
for (const source of this.sources) {
source.grantReadProcessedDocuments(grantee);
}
return ({} as iam.Grant);
} | /**
* Allows a grantee to read from the processed documents
* generated by this middleware.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/sentence-transformers/src/index.ts#L215-L224 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | SentenceTransformers.supportedInputTypes | supportedInputTypes(): string[] {
return ([
'text/plain',
'text/markdown'
]);
} | /**
* @returns an array of mime-types supported as input
* type by this middleware.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/sentence-transformers/src/index.ts#L230-L235 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | SentenceTransformers.supportedOutputTypes | supportedOutputTypes(): string[] {
return (this.supportedInputTypes());
} | /**
* @returns an array of mime-types supported as output
* type by the data producer.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/sentence-transformers/src/index.ts#L241-L243 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | SentenceTransformers.supportedComputeTypes | supportedComputeTypes(): ComputeType[] {
return ([
ComputeType.GPU
]);
} | /**
* @returns the supported compute types by a given
* middleware.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/sentence-transformers/src/index.ts#L249-L253 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | SentenceTransformers.conditional | conditional() {
return (super
.conditional()
.and(when('type').equals('document-created'))
);
} | /**
* @returns the middleware conditional statement defining
* in which conditions this middleware should be executed.
* In this case, we want the middleware to only be invoked
* when the document mime-type is supported, and the event
* type is `document-created`.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/sentence-transformers/src/index.ts#L262-L267 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | SentenceTransformersModel.of | public static of(name: string) {
return (new SentenceTransformersModel(name));
} | /**
* Create a new instance of the `SentenceTransformersModel`
* by name.
* @param name the path of the model on sentence-transformers.
* @returns a new instance of the `SentenceTransformersModel`.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/embedding-processors/sentence-transformers/src/definitions/model.ts#L85-L87 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | ConditionBuilder.withConditional | public withConditional(conditional: ConditionalExpression | lambda.IFunction) {
this.providerProps.conditional = conditional;
return (this);
} | /**
* Sets the conditional expression to evaluate.
* @param conditional a conditional expression or a reference
* to a lambda function.
* @returns the builder instance.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/condition/src/index.ts#L88-L91 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | ConditionBuilder.build | public build(): Condition {
return (new Condition(
this.scope,
this.identifier, {
...this.providerProps as ConditionProps,
...this.props
}
));
} | /**
* @returns a new instance of the `Condition`
* service constructed with the given parameters.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/condition/src/index.ts#L97-L105 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | Condition.constructor | constructor(scope: Construct, id: string, props: ConditionProps) {
super(scope, id, description, {
...props,
queueVisibilityTimeout: cdk.Duration.seconds(
3 * PROCESSING_TIMEOUT.toSeconds()
)
});
// Validating the properties.
props = this.parse(ConditionPropsSchema, props);
///////////////////////////////////////////
////// Conditional Expression /////
///////////////////////////////////////////
let conditional: string;
// If the conditional expression is a Lambda function,
// we give it the permission to read the processed
// documents generated by the previous middlewares.
if (props.conditional instanceof lambda.Function) {
conditional = props.conditional.functionArn;
this.grantReadProcessedDocuments(props.conditional);
// If it is a function expression, we serialize it for the
// processing function to evaluate it.
} else if (typeof props.conditional === 'function') {
conditional = this.serializeFn(props.conditional);
// Otherwise, we throw an error.
} else {
throw new Error(`
Invalid or missing conditional expression in condition middleware.
`);
}
///////////////////////////////////////////
/////// Processing Function ///////
///////////////////////////////////////////
this.eventProcessor = new node.NodejsFunction(this, 'Compute', {
description: 'A function evaluating a conditional expression.',
entry: path.resolve(__dirname, 'lambdas', 'condition-evaluation', 'index.js'),
vpc: props.vpc,
memorySize: props.maxMemorySize ?? DEFAULT_MEMORY_SIZE,
timeout: PROCESSING_TIMEOUT,
runtime: EXECUTION_RUNTIME,
architecture: lambda.Architecture.ARM_64,
tracing: lambda.Tracing.ACTIVE,
environmentEncryption: props.kmsKey,
logGroup: this.logGroup,
insightsVersion: props.cloudWatchInsights ?
LAMBDA_INSIGHTS_VERSION :
undefined,
environment: {
POWERTOOLS_SERVICE_NAME: description.name,
POWERTOOLS_METRICS_NAMESPACE: NAMESPACE,
SNS_TARGET_TOPIC: this.eventBus.topicArn,
CONDITIONAL_TYPE: props.conditional instanceof lambda.Function ?
'lambda' :
'expression',
CONDITIONAL: conditional,
CONDITIONAL_SYMBOL
},
bundling: {
minify: true,
externalModules: [
'@aws-sdk/client-s3',
'@aws-sdk/client-sns'
]
}
});
// Allows this construct to act as a `IGrantable`
// for other middlewares to grant the processing
// lambda permissions to access their resources.
this.grantPrincipal = this.eventProcessor.grantPrincipal;
// If the conditional is a lambda function, grant
// the processing lambda the permission to invoke it.
if (props.conditional instanceof lambda.Function) {
props.conditional.grantInvoke(this.eventProcessor);
}
// Allow the function to publish to the SNS topic.
this.eventBus.grantPublish(this.eventProcessor);
// Plug the SQS queue into the lambda function.
this.eventProcessor.addEventSource(new sources.SqsEventSource(this.eventQueue, {
batchSize: props.batchSize ?? 10,
maxBatchingWindow: props.batchingWindow,
reportBatchItemFailures: true
}));
super.bind();
} | /**
* Provider constructor.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/condition/src/index.ts#L126-L221 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | Condition.serializeFn | private serializeFn(fn: ConditionalExpression, opts?: esbuild.TransformOptions): string {
const res = esbuild.transformSync(`const ${CONDITIONAL_SYMBOL} = ${serialize(fn)}\n`, {
minify: true,
...opts
});
return (res.code);
} | /**
* A helper used to serialize the different types of JavaScript
* functions that the user can provide (e.g functions, arrow functions,
* async functions, etc.) into a string.
* This function also uses `esbuild` to validate the syntax of the
* provided function and minify it.
* @param fn the function to serialize.
* @param opts the esbuild transform options.
* @returns the serialized function.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/condition/src/index.ts#L233-L239 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | Condition.onMatch | public onMatch(consumer: Middleware): Middleware {
return (this.pipe(consumer, consumer.conditional()
.and(
when('data.metadata.custom.__condition_result').equals('true')
)));
} | /**
* Defines the next middleware to execute when the
* condition is matched.
* @param consumer the next middleware to execute.
* @returns a reference to this middleware.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/condition/src/index.ts#L247-L252 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | Condition.onMismatch | public onMismatch(consumer: Middleware): Middleware {
return (this.pipe(consumer, consumer.conditional()
.and(
when('data.metadata.custom.__condition_result').equals('false')
)));
} | /**
* Defines the next middleware to execute when the
* condition is not matched.
* @param consumer the next middleware to execute.
* @returns a reference to this middleware.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/condition/src/index.ts#L260-L265 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | Condition.grantReadProcessedDocuments | grantReadProcessedDocuments(grantee: iam.IGrantable): iam.Grant {
// Since this middleware simply passes through the data
// from the previous middleware, we grant any subsequent
// middlewares in the pipeline to have read access to the
// data of all source middlewares.
for (const source of this.sources) {
source.grantReadProcessedDocuments(grantee);
}
return ({} as iam.Grant);
} | /**
* Allows a grantee to read from the processed documents
* generated by this middleware.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/condition/src/index.ts#L271-L280 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | Condition.supportedInputTypes | supportedInputTypes(): string[] {
return ([
'*/*'
]);
} | /**
* @returns an array of mime-types supported as input
* type by the data producer.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/condition/src/index.ts#L286-L290 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | Condition.supportedOutputTypes | supportedOutputTypes(): string[] {
return ([
'*/*'
]);
} | /**
* @returns an array of mime-types supported as output
* type by the data producer.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/condition/src/index.ts#L296-L300 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | Condition.supportedComputeTypes | supportedComputeTypes(): ComputeType[] {
return ([
ComputeType.CPU
]);
} | /**
* @returns the supported compute types by a given
* middleware.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/condition/src/index.ts#L306-L310 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | evaluateLambda | const evaluateLambda = async (event: CloudEvent): Promise<boolean> => {
const res = await lambda.send(new InvokeCommand({
FunctionName: CONDITIONAL,
Payload: JSON.stringify(event.toJSON())
}));
// If the function failed to execute, we throw an error.
if (res.FunctionError) {
throw new Error(res.FunctionError);
}
// Parse the result of the lambda function into a boolean value.
const payload = JSON.parse(
new TextDecoder().decode(res.Payload as Uint8Array)
);
return (payload === true);
}; | /**
* Synchronously invokes the conditional lambda function and
* returns its boolean result.
* @param event the event to process.
* @returns a promise to the boolean result of the conditional.
* @throws an error if the conditional function failed to execute.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/condition/src/lambdas/condition-evaluation/evaluate.ts#L33-L50 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | evaluateExpression | const evaluateExpression = async (event: CloudEvent, opts?: RunningCodeOptions): Promise<boolean> => {
const context = createContext({
console,
require,
setTimeout,
setInterval,
setImmediate,
event
});
// Run the expression within a VM.
const res = runInContext(`${CONDITIONAL}\n${CONDITIONAL_SYMBOL}(event);`, context, {
timeout: 10_000,
...opts
});
// If the expression did not return a promise, we throw an error.
if (!res.then) {
throw new Error(`
Invalid conditional expression return type, a promise is expected.
`);
}
return ((await res) === true);
}; | /**
* Evaluates the given conditional expression and returns
* its boolean result.
* @param event the event to process.
* @param opts execution options.
* @returns a promise to the boolean result of the conditional.
* @throws an error if the conditional expression is invalid.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/condition/src/lambdas/condition-evaluation/evaluate.ts#L60-L84 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | Lambda.handler | async handler(event: SQSEvent, _: Context): Promise<SQSBatchResponse> {
return (await processPartialResponse(
event,
(record: SQSRecord) => this.processEvent(
CloudEvent.from(JSON.parse(record.body))
),
processor
));
} | // eslint-disable-next-line @typescript-eslint/no-unused-vars | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/condition/src/lambdas/condition-evaluation/index.ts#L78-L86 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | DelayBuilder.withTime | public withTime(time: cdk.Duration | Date) {
this.providerProps.time = time;
return (this);
} | /**
* The time or delay duration at which the pipeline
* should resume.
* @param time the time or delay duration.
* @returns the builder instance.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/delay/src/index.ts#L76-L79 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | DelayBuilder.build | public build(): Delay {
return (new Delay(
this.scope,
this.identifier, {
...this.providerProps as DelayProps,
...this.props
}
));
} | /**
* @returns a new instance of the `Delay`
* service constructed with the given parameters.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/delay/src/index.ts#L85-L93 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | Delay.constructor | constructor(scope: Construct, id: string, props: DelayProps) {
super(scope, id, description, {
...props,
queueVisibilityTimeout: cdk.Duration.seconds(
6 * PROCESSING_TIMEOUT.toSeconds()
)
});
// Validating the properties.
props = this.parse(DelayPropsSchema, props);
///////////////////////////////////////////
////////// State Machine //////////
///////////////////////////////////////////
// The delay step associated with the user delay.
const delayStep = new sfn.Wait(this, 'DelayStep', {
time: props.time instanceof cdk.Duration ?
sfn.WaitTime.duration(props.time) :
sfn.WaitTime.timestamp(props.time.toISOString())
});
// Forward the event to the output SNS topic.
const publishStep = new tasks.SnsPublish(this, 'PublishStep', {
topic: this.eventBus,
message: sfn.TaskInput.fromJsonPathAt('$.data')
});
// The state machine definition.
const definition = delayStep.next(publishStep);
// The state machine orchestrating the delay step.
const stateMachine = new sfn.StateMachine(this, 'StateMachine', {
definitionBody: sfn.DefinitionBody.fromChainable(definition),
tracingEnabled: true,
comment: 'A state machine orchestrating a delay.',
stateMachineType: sfn.StateMachineType.STANDARD
});
///////////////////////////////////////////
/////// Processing Function ///////
///////////////////////////////////////////
this.eventProcessor = new node.NodejsFunction(this, 'Compute', {
description: 'A function starting a step-function to delay the processing.',
entry: path.resolve(__dirname, 'lambdas', 'delay', 'index.js'),
vpc: props.vpc,
memorySize: props.maxMemorySize ?? DEFAULT_MEMORY_SIZE,
timeout: PROCESSING_TIMEOUT,
runtime: EXECUTION_RUNTIME,
architecture: lambda.Architecture.ARM_64,
tracing: lambda.Tracing.ACTIVE,
environmentEncryption: props.kmsKey,
logGroup: this.logGroup,
insightsVersion: props.cloudWatchInsights ?
LAMBDA_INSIGHTS_VERSION :
undefined,
environment: {
POWERTOOLS_SERVICE_NAME: description.name,
POWERTOOLS_METRICS_NAMESPACE: NAMESPACE,
STATE_MACHINE_ARN: stateMachine.stateMachineArn
},
bundling: {
minify: true,
externalModules: [
'@aws-sdk/client-sfn'
]
}
});
// Allows this construct to act as a `IGrantable`
// for other middlewares to grant the processing
// lambda permissions to access their resources.
this.grantPrincipal = this.eventProcessor.grantPrincipal;
// Plug the SQS queue into the lambda function.
this.eventProcessor.addEventSource(new sources.SqsEventSource(this.eventQueue, {
batchSize: props.batchSize ?? 10,
maxBatchingWindow: props.batchingWindow,
reportBatchItemFailures: true
}));
// Function permissions.
stateMachine.grantStartExecution(this.eventProcessor);
super.bind();
} | /**
* Provider constructor.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/delay/src/index.ts#L114-L200 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | Delay.grantReadProcessedDocuments | grantReadProcessedDocuments(grantee: iam.IGrantable): iam.Grant {
// Since this middleware simply passes through the data
// from the previous middleware, we grant any subsequent
// middlewares in the pipeline to have read access to the
// data of all source middlewares.
for (const source of this.sources) {
source.grantReadProcessedDocuments(grantee);
}
return ({} as iam.Grant);
} | /**
* Allows a grantee to read from the processed documents
* generated by this middleware.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/delay/src/index.ts#L206-L215 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | Delay.supportedInputTypes | supportedInputTypes(): string[] {
return ([
'*/*'
]);
} | /**
* @returns an array of mime-types supported as input
* type by the data producer.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/delay/src/index.ts#L221-L225 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | Delay.supportedOutputTypes | supportedOutputTypes(): string[] {
return ([
'*/*'
]);
} | /**
* @returns an array of mime-types supported as output
* type by the data producer.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/delay/src/index.ts#L231-L235 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | Delay.supportedComputeTypes | supportedComputeTypes(): ComputeType[] {
return ([
ComputeType.CPU
]);
} | /**
* @returns the supported compute types by a given
* middleware.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/delay/src/index.ts#L241-L245 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | Lambda.processEvent | async processEvent(event: CloudEvent): Promise<any> {
return (sfn.send(new StartExecutionCommand({
stateMachineArn: process.env.STATE_MACHINE_ARN as string,
input: JSON.stringify({
data: event.toJSON()
})
})));
} | /**
* Start a new execution of the state machine.
* @param event the event to process.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/delay/src/lambdas/delay/index.ts#L59-L66 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | Lambda.handler | async handler(event: SQSEvent, _: Context): Promise<SQSBatchResponse> {
return (await processPartialResponse(
event,
(record: SQSRecord) => this.processEvent(
CloudEvent.from(JSON.parse(record.body))
),
processor
));
} | // eslint-disable-next-line @typescript-eslint/no-unused-vars | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/delay/src/lambdas/delay/index.ts#L76-L84 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | Lambda.handler | async handler(event: any, _: Context): Promise<any> {
return (CloudEvent.from(event));
} | // eslint-disable-next-line @typescript-eslint/no-unused-vars | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/delay/src/lambdas/handler/index.ts#L40-L42 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | PassthroughBuilder.withResolveMetadata | public withResolveMetadata(resolveMetadata: boolean) {
this.providerProps.resolveMetadata = resolveMetadata;
return (this);
} | /**
* Whether to dump the metadata of the document and
* resolve pointers into their actual values.
* @param resolveMetadata whether to resolve the metadata.
* @returns the builder instance.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/passthrough/src/index.ts#L74-L77 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | PassthroughBuilder.build | public build(): Passthrough {
return (new Passthrough(
this.scope,
this.identifier, {
...this.providerProps as PassthroughProps,
...this.props
}
));
} | /**
* @returns a new instance of the `Passthrough`
* service constructed with the given parameters.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/passthrough/src/index.ts#L83-L91 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | Passthrough.constructor | constructor(scope: Construct, id: string, props: PassthroughProps) {
super(scope, id, description, {
...props,
queueVisibilityTimeout: cdk.Duration.seconds(
6 * PROCESSING_TIMEOUT.toSeconds()
)
});
// Validating the properties.
props = this.parse(PassthroughPropsSchema, props);
///////////////////////////////////////////
/////// Processing Function ///////
///////////////////////////////////////////
this.eventProcessor = new node.NodejsFunction(this, 'Compute', {
description: 'A function acting as a passthrough for logging events.',
entry: path.resolve(__dirname, 'lambdas', 'passthrough', 'index.js'),
vpc: props.vpc,
memorySize: props.maxMemorySize ?? DEFAULT_MEMORY_SIZE,
timeout: PROCESSING_TIMEOUT,
runtime: EXECUTION_RUNTIME,
architecture: lambda.Architecture.ARM_64,
tracing: lambda.Tracing.ACTIVE,
environmentEncryption: props.kmsKey,
logGroup: this.logGroup,
insightsVersion: props.cloudWatchInsights ?
LAMBDA_INSIGHTS_VERSION :
undefined,
environment: {
POWERTOOLS_SERVICE_NAME: description.name,
POWERTOOLS_METRICS_NAMESPACE: NAMESPACE,
SNS_TARGET_TOPIC: this.eventBus.topicArn,
LAKECHAIN_CACHE_STORAGE: props.cacheStorage.id(),
RESOLVE_METADATA: props.resolveMetadata ? 'true' : 'false'
},
bundling: {
minify: true,
externalModules: [
'@aws-sdk/client-s3',
'@aws-sdk/client-sns'
]
}
});
// Allows this construct to act as a `IGrantable`
// for other middlewares to grant the processing
// lambda permissions to access their resources.
this.grantPrincipal = this.eventProcessor.grantPrincipal;
// Plug the SQS queue into the lambda function.
this.eventProcessor.addEventSource(new sources.SqsEventSource(this.eventQueue, {
batchSize: props.batchSize ?? 10,
maxBatchingWindow: props.batchingWindow,
reportBatchItemFailures: true
}));
// Function permissions.
this.eventBus.grantPublish(this.eventProcessor);
super.bind();
} | /**
* Provider constructor.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/passthrough/src/index.ts#L112-L173 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | Passthrough.grantReadProcessedDocuments | grantReadProcessedDocuments(grantee: iam.IGrantable): iam.Grant {
// Since this middleware simply passes through the data
// from the previous middleware, we grant any subsequent
// middlewares in the pipeline to have read access to the
// data of all source middlewares.
for (const source of this.sources) {
source.grantReadProcessedDocuments(grantee);
}
return ({} as iam.Grant);
} | /**
* Allows a grantee to read from the processed documents
* generated by this middleware.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/passthrough/src/index.ts#L179-L188 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | Passthrough.supportedInputTypes | supportedInputTypes(): string[] {
return ([
'*/*'
]);
} | /**
* @returns an array of mime-types supported as input
* type by the data producer.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/passthrough/src/index.ts#L194-L198 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | Passthrough.supportedOutputTypes | supportedOutputTypes(): string[] {
return ([
'*/*'
]);
} | /**
* @returns an array of mime-types supported as output
* type by the data producer.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/passthrough/src/index.ts#L204-L208 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | Passthrough.supportedComputeTypes | supportedComputeTypes(): ComputeType[] {
return ([
ComputeType.CPU
]);
} | /**
* @returns the supported compute types by a given
* middleware.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/passthrough/src/index.ts#L214-L218 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | Lambda.handler | async handler(event: SQSEvent, _: Context): Promise<SQSBatchResponse> {
return (await processPartialResponse(
event,
(record: SQSRecord) => this.processEvent(
CloudEvent.from(JSON.parse(record.body))
),
processor
));
} | // eslint-disable-next-line @typescript-eslint/no-unused-vars | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/passthrough/src/lambdas/passthrough/index.ts#L75-L83 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | walk | const walk = async (obj: any) => {
for (const key in obj) {
copy[key] = obj[key];
if (obj[key] instanceof Pointer) {
copy[key] = await obj[key].resolve();
} else if (typeof obj[key] === 'object') {
copy = copy[key];
await walk(obj[key]);
}
}
}; | // Recursively walk the metadata to resolve pointers | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/passthrough/src/lambdas/passthrough/resolve.ts#L23-L33 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | ReducerBuilder.withReducerStrategy | public withReducerStrategy(strategy: ReducerStrategy) {
this.providerProps.strategy = strategy;
return (this);
} | /**
* Specifies a reducer strategy to be used to aggregate
* events.
* @param strategy the strategy instance to use.
* @returns the builder instance.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/reducer/src/index.ts#L67-L70 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | ReducerBuilder.build | public build(): Reducer {
return (new Reducer(
this.scope,
this.identifier, {
...this.providerProps as ReducerProps,
...this.props
}
));
} | /**
* @returns a new instance of the `Reducer`
* service constructed with the given parameters.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/reducer/src/index.ts#L76-L84 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | Reducer.constructor | constructor(scope: Construct, id: string, props: ReducerProps) {
super(scope, id, description, {
...props,
queueVisibilityTimeout: cdk.Duration.seconds(
3 * PROCESSING_TIMEOUT.toSeconds()
)
});
// Validating the properties.
props = this.parse(ReducerPropsSchema, props);
///////////////////////////////////////////
/////// Processing Storage ////////
///////////////////////////////////////////
this.storage = new CacheStorage(this, 'Storage', {
encryptionKey: props.kmsKey
});
///////////////////////////////////////////
///////// Reducer Strategy ////////
///////////////////////////////////////////
if (props.strategy.name() === 'TIME_WINDOW') {
new TimeWindowStrategyConstruct(this, 'TimeWindowStrategy', this, props);
} else if (props.strategy.name() === 'STATIC_COUNTER') {
new StaticCounterStrategyConstruct(this, 'StaticCounterStrategy', this, props);
} else if (props.strategy.name() === 'CONDITIONAL') {
new ConditionalStrategyConstruct(this, 'ConditionalStrategy', this, props);
} else {
throw new Error(`Unsupported reducer strategy: ${props.strategy.name()}`);
}
super.bind();
} | /**
* Provider constructor.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/reducer/src/index.ts#L105-L139 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | Reducer.grantReadProcessedDocuments | grantReadProcessedDocuments(grantee: iam.IGrantable): iam.Grant {
// Since this middleware simply passes through the data
// from the previous middleware, we grant any subsequent
// middlewares in the pipeline to have read access to the
// data of all source middlewares.
for (const source of this.sources) {
source.grantReadProcessedDocuments(grantee);
}
this.storage.grantRead(grantee);
return ({} as iam.Grant);
} | /**
* Allows a grantee to read from the processed documents
* generated by this middleware.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/reducer/src/index.ts#L145-L155 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | Reducer.supportedInputTypes | supportedInputTypes(): string[] {
return ([
'*/*'
]);
} | /**
* @returns an array of mime-types supported as input
* type by the data producer.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/reducer/src/index.ts#L161-L165 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | Reducer.supportedOutputTypes | supportedOutputTypes(): string[] {
return ([
'application/cloudevents+json'
]);
} | /**
* @returns an array of mime-types supported as output
* type by the data producer.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/reducer/src/index.ts#L171-L175 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | Reducer.supportedComputeTypes | supportedComputeTypes(): ComputeType[] {
return ([
ComputeType.CPU
]);
} | /**
* @returns the supported compute types by a given
* middleware.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/reducer/src/index.ts#L181-L185 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | Reducer.conditional | conditional() {
return (super
.conditional()
.and(when('type').equals('document-created'))
);
} | /**
* @returns the middleware conditional statement defining
* in which conditions this middleware should be executed.
* In this case, we want the middleware to only be invoked
* when the document mime-type is supported, and the event
* type is `document-created`.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/reducer/src/index.ts#L194-L199 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | ConditionalStrategyBuilder.withConditional | public withConditional(conditional: ConditionalExpression | lambda.IFunction) {
if (conditional instanceof lambda.Function) {
this.props.conditionalType = 'lambda';
this.props.expression = conditional.functionArn;
} else if (typeof conditional === 'function') {
this.props.conditionalType = 'expression';
this.props.expression = this.serializeFn(conditional);
}
this.props.conditional = conditional;
return (this);
} | /**
* Sets the conditional expression to evaluate.
* @param conditional a conditional expression or a reference
* to a lambda function.
* @returns the current builder instance.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/reducer/src/definitions/strategies/conditional-strategy/index.ts#L98-L108 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | ConditionalStrategyBuilder.serializeFn | private serializeFn(fn: ConditionalExpression, opts?: esbuild.TransformOptions): string {
const res = esbuild.transformSync(`const ${CONDITIONAL_SYMBOL} = ${serialize(fn)}\n`, {
minify: true,
...opts
});
return (res.code);
} | /**
* A helper used to serialize the different types of JavaScript
* functions that the user can provide (e.g functions, arrow functions,
* async functions, etc.) into a string.
* This function also uses `esbuild` to validate the syntax of the
* provided function and minify it.
* @param fn the function to serialize.
* @param opts the esbuild transform options.
* @returns the serialized function.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/reducer/src/definitions/strategies/conditional-strategy/index.ts#L120-L126 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | ConditionalStrategyBuilder.build | public build(): ConditionalStrategy {
return (ConditionalStrategy.from(this.props));
} | /**
* @returns a new instance of the `ConditionalStrategy`
* service constructed with the given parameters.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/reducer/src/definitions/strategies/conditional-strategy/index.ts#L132-L134 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | ConditionalStrategy.constructor | constructor(public props: ConditionalStrategyProps) {} | /**
* Creates a new instance of the `ConditionalStrategy` class.
* @param props the task properties.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/reducer/src/definitions/strategies/conditional-strategy/index.ts#L151-L151 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | ConditionalStrategy.conditional | public conditional() {
return (this.props.conditional);
} | /**
* @returns the conditional expression.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/reducer/src/definitions/strategies/conditional-strategy/index.ts#L156-L158 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | ConditionalStrategy.expression | public expression() {
return (this.props.expression);
} | /**
* @returns the serialized conditional expression.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/reducer/src/definitions/strategies/conditional-strategy/index.ts#L163-L165 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | ConditionalStrategy.type | public type() {
return (this.props.conditionalType);
} | /**
* @returns the conditional expression type.
* @note can be either 'lambda' or 'expression'.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/reducer/src/definitions/strategies/conditional-strategy/index.ts#L171-L173 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | ConditionalStrategy.name | public name() {
return (this.props.reduceType);
} | /**
* @returns the strategy name.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/reducer/src/definitions/strategies/conditional-strategy/index.ts#L178-L180 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | ConditionalStrategy.compile | public compile() {
return (this.toJSON());
} | /**
* @returns an object describing the strategy.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/reducer/src/definitions/strategies/conditional-strategy/index.ts#L185-L187 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | ConditionalStrategy.from | public static from(props: any) {
return (new ConditionalStrategy(ConditionalStrategyPropsSchema.parse(props)));
} | /**
* Creates a new instance of the `ConditionalStrategy` class.
* @param props the task properties.
* @returns a new instance of the `ConditionalStrategy` class.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/reducer/src/definitions/strategies/conditional-strategy/index.ts#L194-L196 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | ConditionalStrategy.toJSON | public toJSON() {
return ({
reduceType: this.props.reduceType,
expression: this.props.expression,
symbol: CONDITIONAL_SYMBOL,
type: this.props.conditionalType
});
} | /**
* @returns the JSON representation of the task.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/reducer/src/definitions/strategies/conditional-strategy/index.ts#L201-L208 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | StaticCounterStrategyBuilder.withEventCount | public withEventCount(eventCount: number) {
this.props.eventCount = eventCount;
return (this);
} | /**
* @param eventCount the number of events to wait for before
* the reducer is triggered.
* @returns the current builder instance.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/reducer/src/definitions/strategies/static-counter-strategy/index.ts#L61-L64 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | StaticCounterStrategyBuilder.build | public build(): StaticCounterStrategy {
return (StaticCounterStrategy.from(this.props));
} | /**
* @returns a new instance of the `StaticCounterStrategy`
* service constructed with the given parameters.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/reducer/src/definitions/strategies/static-counter-strategy/index.ts#L70-L72 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | StaticCounterStrategy.constructor | constructor(public props: StaticCounterStrategyProps) {} | /**
* Creates a new instance of the `StaticCounterStrategy` class.
* @param props the task properties.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/reducer/src/definitions/strategies/static-counter-strategy/index.ts#L89-L89 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | StaticCounterStrategy.eventCount | public eventCount() {
return (this.props.eventCount);
} | /**
* @returns the event count to wait for before the reducer
* is triggered.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/reducer/src/definitions/strategies/static-counter-strategy/index.ts#L95-L97 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | StaticCounterStrategy.name | public name() {
return (this.props.reduceType);
} | /**
* @returns the strategy name.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/reducer/src/definitions/strategies/static-counter-strategy/index.ts#L102-L104 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | StaticCounterStrategy.compile | public compile() {
return (this.toJSON());
} | /**
* @returns an object describing the strategy.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/reducer/src/definitions/strategies/static-counter-strategy/index.ts#L109-L111 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | StaticCounterStrategy.from | public static from(props: any) {
return (new StaticCounterStrategy(StaticCounterStrategyPropsSchema.parse(props)));
} | /**
* Creates a new instance of the `StaticCounterStrategy` class.
* @param props the task properties.
* @returns a new instance of the `StaticCounterStrategy` class.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/reducer/src/definitions/strategies/static-counter-strategy/index.ts#L118-L120 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | StaticCounterStrategy.toJSON | public toJSON() {
return ({
reduceType: this.props.reduceType,
eventCount: this.props.eventCount
});
} | /**
* @returns the JSON representation of the task.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/reducer/src/definitions/strategies/static-counter-strategy/index.ts#L125-L130 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | TimeWindowStrategyBuilder.withTimeWindow | public withTimeWindow(timeWindow: cdk.Duration) {
this.props.timeWindow = timeWindow;
return (this);
} | /**
* @param timeWindow the duration during which the reducer
* will aggregate events belonging to the same execution
* identifier.
* @returns the current builder instance.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/reducer/src/definitions/strategies/time-window-strategy/index.ts#L78-L81 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | TimeWindowStrategyBuilder.withJitter | public withJitter(jitter: cdk.Duration) {
this.props.jitter = jitter;
return (this);
} | /**
* @param jitter the jitter value to apply to the time window
* in order to smoothen the scheduling of the reducer.
* @returns the current builder instance.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/reducer/src/definitions/strategies/time-window-strategy/index.ts#L88-L91 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | TimeWindowStrategyBuilder.build | public build(): TimeWindowStrategy {
return (TimeWindowStrategy.from(this.props));
} | /**
* @returns a new instance of the `TimeWindowStrategy`
* service constructed with the given parameters.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/reducer/src/definitions/strategies/time-window-strategy/index.ts#L97-L99 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | TimeWindowStrategy.constructor | constructor(public props: TimeWindowStrategyProps) {} | /**
* Creates a new instance of the `TimeWindowStrategy` class.
* @param props the task properties.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/reducer/src/definitions/strategies/time-window-strategy/index.ts#L116-L116 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
project-lakechain | github_2023 | awslabs | typescript | TimeWindowStrategy.timeWindow | public timeWindow() {
return (this.props.timeWindow);
} | /**
* @returns the time window duration.
*/ | https://github.com/awslabs/project-lakechain/blob/4285173e80584eedfc1a8424d3d1b6c1a7038088/packages/middlewares/flow-control/reducer/src/definitions/strategies/time-window-strategy/index.ts#L121-L123 | 4285173e80584eedfc1a8424d3d1b6c1a7038088 |
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