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62 lines
1.4 KiB
C++
62 lines
1.4 KiB
C++
/**
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*
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* @file TaskQueue.h
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* @author An Tao
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*
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* Public header file in trantor lib.
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*
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* Copyright 2018, An Tao. All rights reserved.
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* Use of this source code is governed by a BSD-style license
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* that can be found in the License file.
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*
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*
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*/
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#pragma once
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#include <functional>
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#include <future>
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#include <string>
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namespace trantor {
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/**
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* @brief This class is a pure virtual class that can be implemented as a
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* SerialTaskQueue or a ConcurrentTaskQueue.
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*
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*/
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class TaskQueue {
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protected:
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TaskQueue(const TaskQueue &) = delete;
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TaskQueue &operator=(const TaskQueue &) = delete;
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// some uncopyable classes maybe support move constructor....
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TaskQueue(TaskQueue &&) noexcept(true) = default;
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TaskQueue &operator=(TaskQueue &&) noexcept(true) = default;
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public:
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TaskQueue() {}
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virtual void runTaskInQueue(const std::function<void()> &task) = 0;
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virtual void runTaskInQueue(std::function<void()> &&task) = 0;
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virtual std::string getName() const {
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return "";
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};
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/**
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* @brief Run a task in the queue sychronously. This means that the task is
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* executed before the method returns.
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*
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* @param task
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*/
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void syncTaskInQueue(const std::function<void()> &task) {
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std::promise<int> prom;
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std::future<int> fut = prom.get_future();
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runTaskInQueue([&]() {
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task();
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prom.set_value(1);
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});
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fut.get();
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};
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virtual ~TaskQueue() {
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}
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};
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} // namespace trantor
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