C#線程池并不直接支持任務(wù)的優(yōu)先級調(diào)度,但可以通過自定義任務(wù)調(diào)度器來實現(xiàn)任務(wù)的優(yōu)先級調(diào)度。
以下是一種簡單的實現(xiàn)方式:
public class CustomTask
{
public int Priority { get; set; }
public Action TaskAction { get; set; }
public CustomTask(int priority, Action taskAction)
{
Priority = priority;
TaskAction = taskAction;
}
}
public class CustomTaskScheduler
{
private List<CustomTask> tasks = new List<CustomTask>();
public void EnqueueTask(CustomTask task)
{
tasks.Add(task);
tasks = tasks.OrderBy(t => t.Priority).ToList();
}
public void Start()
{
foreach (CustomTask task in tasks)
{
ThreadPool.QueueUserWorkItem(state => task.TaskAction());
}
}
}
CustomTaskScheduler taskScheduler = new CustomTaskScheduler();
// 添加任務(wù)
taskScheduler.EnqueueTask(new CustomTask(1, () => Console.WriteLine("Task 1")));
taskScheduler.EnqueueTask(new CustomTask(2, () => Console.WriteLine("Task 2")));
taskScheduler.EnqueueTask(new CustomTask(3, () => Console.WriteLine("Task 3")));
// 啟動調(diào)度
taskScheduler.Start();
這樣就可以根據(jù)任務(wù)的優(yōu)先級來調(diào)度任務(wù)的執(zhí)行順序。當添加任務(wù)時,按照任務(wù)的優(yōu)先級進行排序,然后依次執(zhí)行。