blob: 1d54283c393950ed69082a500b67ee86ba724e9a (
plain) (
blame)
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
|
// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "isequencedtaskexecutor.h"
#include <atomic>
namespace vespalib {
/**
* Observer class to observe class to run multiple tasks in parallel,
* but tasks with same id has to be run in sequence.
*/
class SequencedTaskExecutorObserver : public ISequencedTaskExecutor
{
ISequencedTaskExecutor &_executor;
std::atomic<uint32_t> _executeCnt;
std::atomic<uint32_t> _syncCnt;
std::vector<uint32_t> _executeHistory;
std::mutex _mutex;
public:
using ISequencedTaskExecutor::getExecutorId;
SequencedTaskExecutorObserver(ISequencedTaskExecutor &executor);
~SequencedTaskExecutorObserver() override;
ExecutorId getExecutorId(uint64_t componentId) const override;
void executeTask(ExecutorId id, Executor::Task::UP task) override;
void executeTasks(TaskList tasks) override;
void sync_all() override;
void setTaskLimit(uint32_t taskLimit) override;
ExecutorStats getStats() override;
uint32_t getExecuteCnt() const { return _executeCnt; }
uint32_t getSyncCnt() const { return _syncCnt; }
std::vector<uint32_t> getExecuteHistory();
};
} // namespace search
|