c# - .net 核心中hangfire RecurringJob 的入口点

Question

服务层有一个方法，我们需要用HangFire定期调用它，那么，问题来了，在asp.net core中实现RecurringJob的最佳位置在哪里？

如果configure method在 startup.cs 中是最好的，我们如何处理 startup.cs 中所需方法的所有依赖项？

我试过这个:

RecurringJob.AddOrUpdate("FixOrderJob", () => Job.FromExpression<IOrderFixerService>(x => x.FixUnknownOrder()), Cron.MinuteInterval(5));

但出现以下错误:

System.NotSupportedException: 'Anonymous functions, delegates and lambda expressions aren't supported in job method parameters: it's very hard to serialize them and all their scope in general.'

Answer 1

如果你想用 hangfire 运行一个循环作业，最好的起点是启动类。

基于 hagnfire recurrent task documentation , RecurringJob 类是 RecurringJobManager 类的外观。所以只需将 IRecurringJobManager 作为参数注入(inject)并在那里配置您的作业:

public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory, IRecurringJobManager recurringJobs)
   {
       //Access To HangFire dashboard : http://app_hostname/hangfire
        app.UseHangfireDashboard();
        app.UseHangfireServer();
       //....
       //....
       app.UseMvc(); 
       //....
       //....
       recurringJobs.AddOrUpdate("FixOrderJob", Job.FromExpression<IOrderFixerService>(x => x.FixLatestUnknownOrder()), Cron.MinuteInterval(1));
    }