File size: 1,658 Bytes
d1be154 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | // 2020/08/28 - Created by netcan: https://github.com/netcan
#pragma once
#include "../core/flow_builder.hpp"
#include "task_trait.hpp"
#include "tuple_utils.hpp"
#include "type_list.hpp"
namespace tf {
namespace dsl {
template <typename F, typename T> class Connection {
using FROMs = typename TaskTrait<F>::TaskList;
using TOs = typename TaskTrait<T>::TaskList;
public:
using FromTaskList = Unique_t<Flatten_t<FROMs>>;
using ToTaskList = Unique_t<Flatten_t<TOs>>;
};
template <typename T, typename OUT = TypeList<>> struct Chain;
template <typename F, typename OUT> struct Chain<auto (*)(F)->void, OUT> {
using From = F;
using type = OUT;
};
template <typename F, typename T, typename OUT>
struct Chain<auto (*)(F)->T, OUT> {
private:
using To = typename Chain<T, OUT>::From;
public:
using From = F;
using type = typename Chain<
T, typename OUT::template appendTo<Connection<From, To>>>::type;
};
template <typename FROM, typename TO> struct OneToOneLink {
template <typename TasksCB> struct InstanceType {
constexpr void build(TasksCB &tasksCb) {
constexpr size_t TasksCBSize = std::tuple_size<TasksCB>::value;
constexpr size_t FromTaskIndex =
TupleElementByF_v<TasksCB, IsTask<FROM>::template apply>;
constexpr size_t ToTaskIndex =
TupleElementByF_v<TasksCB, IsTask<TO>::template apply>;
static_assert(FromTaskIndex < TasksCBSize && ToTaskIndex < TasksCBSize,
"fatal: not find TaskCb in TasksCB");
std::get<FromTaskIndex>(tasksCb).task_.precede(
std::get<ToTaskIndex>(tasksCb).task_);
}
};
};
} // namespace dsl
}; // namespace tf
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