在的WebAPI长期运行的任务 [英] Long running task in WebAPI

问题描述

下面是我的问题：我需要调用一个ApiController内的多个第三方方法。这些方法的签名是任务DoSomethingAsync（SomeClass的someData，SomeOtherClass MOREDATA）。我想这些电话继续在后台运行时，ApiController已发送的数据返回给客户端后。当 DoSomethingAsync 完成我想要做一些记录，也许一些数据保存到文件系统。我该怎么办呢？我想preFER使用asyny /等待语法。

Here's my problem: I need to call multiple 3rd party methods inside an ApiController. The signature for those methods is Task DoSomethingAsync(SomeClass someData, SomeOtherClass moreData). I want those calls to continue running in the background, after the ApiController has sent the data back to the client. When DoSomethingAsync completes I want to do some logging and maybe save some data to the file system. How can I do that? I'd prefer to use the asyny/await syntax.

推荐答案

斯蒂芬描述了为什么基本上开始长期运行的内部的ApiController是一个坏主意，发射后不管的任务。

Stephen described why starting essentially long running fire-and-forget tasks inside an ApiController is a bad idea.

也许你应该创建一个单独的服务执行这些发射后不管的任务。这的服务的可能是不同的ApiController，队列后面的工人，凡是能在自己主持，并有一个独立的生命周期。

Perhaps you should create a separate service to execute those fire-and-forget tasks. That service could be a different ApiController, a worker behind a queue, anything that can be hosted on its own and have an independent lifetime.

这将使得不同的任务生命周期更容易管理，并从ApiController的核心职责分离的长期运行的任务的关注。

This would make management of the different task lifetimes much easier and separate the concerns of the long-running tasks from the ApiController's core responsibilities.

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