42 lines
1.1 KiB
C#
42 lines
1.1 KiB
C#
using System.Collections.Concurrent;
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using Microsoft.Extensions.Logging;
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namespace ConsoleApp2.Services;
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/// <summary>
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/// 快速批量创建和等待任务
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/// </summary>
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public class TaskManager
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{
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private readonly ConcurrentBag<Task> _tasks;
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private readonly ILogger _logger;
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public int TaskCount => _tasks.Count;
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public int RunningTaskCount => _tasks.Count(task => !task.IsCompleted);
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public IReadOnlyCollection<Task> Tasks => _tasks;
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public TaskManager(ILogger<TaskManager> logger)
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{
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_tasks = new ConcurrentBag<Task>();
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_logger = logger;
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}
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public void CreateTask<TResult>(Func<TResult> func, CancellationToken cancellationToken = default)
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{
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var task = Task.Factory.StartNew(func, cancellationToken);
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_tasks.Add(task);
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_logger.LogDebug("New task created");
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}
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public async Task WaitAll()
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{
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await Task.WhenAll(_tasks);
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}
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public void ClearTask()
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{
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if(RunningTaskCount != 0)
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throw new InvalidOperationException("Unable to clear task. There are still running tasks");
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_tasks.Clear();
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}
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} |