简要说明
ABP vNext 默认提供的 后台任务管理器,就是在后台作业基础之上进行的封装。
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Volo.Abp.Threading :提供了一些常用的线程组件,其中 AbpTimer 就是在里面实现的。
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Volo.Abp.BackgroundWorkers :后台任务的定义和实现。
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Volo.Abp.BackgroundJobs.Abstractions :后台任务的一些共有定义。
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Volo.Abp.BackgroundJobs :默认的后台任务管理器实现。
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Volo.Abp.BackgroundJobs.HangFire :基于 Hangfire 库实现的后台任务管理器。
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Volo.Abp.BackgroundJobs.RabbitMQ :基于 RabbitMQ 实现的后台任务管理器。
什么是Hangfire
引用
<PackageReference Include="Volo.Abp.AspNetCore.Mvc" Version="1.0.2" /> <PackageReference Include="Volo.Abp.Autofac" Version="1.0.2" /> <PackageReference Include="Hangfire" Version="1.7.7" /> <PackageReference Include="Hangfire.AspNetCore" Version="1.7.7" /> <PackageReference Include="Hangfire.Dashboard.BasicAuthorization" Version="1.0.2" /> <PackageReference Include="Hangfire.Redis.StackExchange.StrongName" Version="1.7.0" />
启动
public class Startup { public void ConfigureServices(IServiceCollection services) { services.AddApplication(); var Configuration = services.GetConfiguration(); GlobalStateHandlers.Handlers.Add(new SucceededStateExpireHandler(int.Parse(Configuration["Hangfire:JobExpirationTimeout"]))); services.AddHostedService(); services.AddHangfire(x => { var connectionString = Configuration["Hangfire:Redis:ConnectionString"]; x.UseRedisStorage(connectionString, new RedisStorageOptions() { //活动服务器超时时间 InvisibilityTimeout = TimeSpan.FromMinutes(60), Db = int.Parse(Configuration["Hangfire:Redis:Db"]) }); x.UseDashboardMetric(DashboardMetrics.ServerCount) .UseDashboardMetric(DashboardMetrics.RecurringJobCount) .UseDashboardMetric(DashboardMetrics.RetriesCount) .UseDashboardMetric(DashboardMetrics.AwaitingCount) .UseDashboardMetric(DashboardMetrics.EnqueuedAndQueueCount) .UseDashboardMetric(DashboardMetrics.ScheduledCount) .UseDashboardMetric(DashboardMetrics.ProcessingCount) .UseDashboardMetric(DashboardMetrics.SucceededCount) .UseDashboardMetric(DashboardMetrics.FailedCount) .UseDashboardMetric(DashboardMetrics.EnqueuedCountOrNull) .UseDashboardMetric(DashboardMetrics.FailedCountOrNull) .UseDashboardMetric(DashboardMetrics.DeletedCount); }); } public void Configure(IApplicationBuilder app, IConfiguration Configuration) { app.InitializeApplication(); app.UseAuthorization(); var filter = new BasicAuthAuthorizationFilter(new BasicAuthAuthorizationFilterOptions { SslRedirect = false, RequireSsl = false, LoginCaseSensitive = false, Users = new[] { new BasicAuthAuthorizationUser { Login = Configuration["Hangfire:Login"] , PasswordClear= Configuration["Hangfire:PasswordClear"] } } }); app.UseHangfireDashboard("", new DashboardOptions { Authorization = new[] { filter }, }); var jobOptions = new BackgroundJobServerOptions { Queues = new[] { "critical", "test", "default" }, WorkerCount = Environment.ProcessorCount * int.Parse(Configuration["Hangfire:ProcessorCount"]), ServerName = Configuration["Hangfire:ServerName"], SchedulePollingInterval = TimeSpan.FromSeconds(1), //计划轮询间隔 支持任务到秒 }; app.UseHangfireServer(jobOptions); } }
设置
/// /// 已完成的job设置过期,防止数据无限增长 /// public class SucceededStateExpireHandler : IStateHandler { public TimeSpan JobExpirationTimeout; public SucceededStateExpireHandler(int jobExpirationTimeout) { JobExpirationTimeout = TimeSpan.FromMinutes(jobExpirationTimeout); } public string StateName => SucceededState.StateName; public void Apply(ApplyStateContext context, IWriteOnlyTransaction transaction) { context.JobExpirationTimeout = JobExpirationTimeout; } public void Unapply(ApplyStateContext context, IWriteOnlyTransaction transaction) { } }
结尾
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