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XCEngine/docs/api/threading/task-group/task-group.md
ssdfasd f427699ac6 refactor: improve test infrastructure and fix OpenGL GLAD initialization
- Rename D3D12Enum.h to D3D12Enums.h for naming consistency
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TaskGroup

命名空间: XCEngine::Threading

类型: class

头文件: XCEngine/Threading/TaskGroup.h

描述: 管理一组相关任务的执行和同步

概述

TaskGroup 用于将多个相关任务组织在一起,统一管理它们的执行和同步。任务组内的任务可以声明依赖关系,确保任务按照正确的顺序执行。支持任务优先级设置、完成回调、进度查询和取消操作。

主要功能:

  • 添加任务ITask 对象或函数回调)
  • 声明任务间依赖关系
  • 等待所有任务完成
  • 设置完成回调
  • 查询完成进度
  • 取消未执行的任务

公共方法

方法 描述
Task() 默认构造函数
~Task() 析构函数
AddTask 添加任务到组(支持 ITask 或 Callback
AddDependency 添加任务依赖关系
Wait 阻塞等待所有任务完成
WaitFor 等待指定超时时间
SetCompleteCallback 设置完成回调函数
IsComplete 检查所有任务是否完成
GetProgress 获取任务组完成进度
Cancel 取消所有未执行的任务

使用示例

#include "XCEngine/Threading/TaskGroup.h"
#include "XCEngine/Threading/Task.h"
#include <iostream>

using namespace XCEngine::Threading;

class MyTask : public ITask {
public:
    explicit MyTask(const std::string& name) : m_name(name) {}

    void Execute() override {
        std::cout << "Task " << m_name << " executing\n";
    }

    void OnComplete() override {
        std::cout << "Task " << m_name << " completed\n";
    }

private:
    std::string m_name;
};

int main() {
    TaskGroup group;

    uint64_t task1 = group.AddTask(std::make_unique<MyTask>("Task1"));
    uint64_t task2 = group.AddTask([]() {
        std::cout << "Lambda task executing\n";
    }, TaskPriority::High);

    group.AddDependency(task2, task1);

    group.SetCompleteCallback([]() {
        std::cout << "All tasks completed!\n";
    });

    group.Wait();

    std::cout << "Progress: " << group.GetProgress() * 100 << "%\n";

    return 0;
}

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