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/*!
@authors Andrei Novikov (pyclustering@yandex.ru)
@date 2014-2020
@copyright BSD-3-Clause
*/
#pragma once
#include <condition_variable>
#include <thread>
#include <pyclustering/parallel/task.hpp>
namespace pyclustering {
namespace parallel {
/*!
@class thread_executor thread_executor.hpp pyclustering/parallel/thread_executor.hpp
@brief Task executor for the thread pool.
@details Task executor is responsible for executing task in separate thread and for notification the thread pool about task readiness.
@see thread_pool
*/
class thread_executor {
public:
/*!
@brief Defines function to get next task for execution from the thread pool.
@details The signature of the getter function should have following signature void(task::ptr &)`.
*/
using task_getter = std::function<void(task::ptr &)>;
/*!
@brief Defines shared pointer of the thread executor.
*/
using ptr = std::shared_ptr<thread_executor>;
private:
bool m_stop = true;
task_getter m_getter = nullptr;
std::thread m_executor;
public:
/*!
@brief Default constructor of the thread executor.
*/
thread_executor() = default;
/*!
@brief Constructor of the thread executor with the task getting function.
@param[in] p_getter: function with signatire `void(task::ptr &)` that is used to get next task to execute.
*/
explicit thread_executor(const task_getter & p_getter);
/*!
@brief Default copy constructor of the thread executor.
*/
thread_executor(const thread_executor & p_other) = delete;
/*!
@brief Default move constructor of the thread executor.
*/
thread_executor(thread_executor && p_other) = delete;
/*!
@brief Default destructor of the thread executor.
*/
~thread_executor() = default;
public:
/*!
@brief Terminates thread executor: stops current task and join thread of the executor.
*/
void stop();
private:
/*!
@brief Run thread executor.
*/
void run();
};
}
}
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