46 lines
1.6 KiB
C#
46 lines
1.6 KiB
C#
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using Longbow.Tasks;
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using Microsoft.Extensions.Hosting;
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using System;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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namespace Microsoft.Extensions.DependencyInjection
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{
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/// <summary>
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/// 后台任务扩展方法
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/// </summary>
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internal static class TasksExtensions
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{
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/// <summary>
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/// 添加示例后台任务
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/// </summary>
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/// <param name="services"></param>
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public static IServiceCollection AddDemoTask(this IServiceCollection services)
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{
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services.AddHostedService<TaskBackgroundServices>();
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return services.AddTaskServices();
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}
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}
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/// <summary>
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/// 后台任务服务类
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/// </summary>
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internal class TaskBackgroundServices : BackgroundService
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{
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/// <summary>
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/// 运行任务
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/// </summary>
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/// <param name="stoppingToken"></param>
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/// <returns></returns>
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protected override Task ExecuteAsync(CancellationToken stoppingToken) => Task.Run(() =>
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{
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TaskServicesManager.GetOrAdd("单次任务", token => Task.Delay(1000));
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TaskServicesManager.GetOrAdd("周期任务", token => Task.Delay(1000), TriggerBuilder.Build(Cron.Secondly(5)));
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TaskServicesManager.GetOrAdd("超时任务", token => Task.Delay(2000), TriggerBuilder.Default.WithTimeout(1000).WithInterval(1000).WithRepeatCount(2).Build());
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TaskServicesManager.GetOrAdd("故障任务", token => throw new Exception("故障任务"));
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TaskServicesManager.GetOrAdd("取消任务", token => Task.Delay(1000)).Triggers.First().Enabled = false;
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});
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}
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}
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