WebApi如何写并行函数

Question

我是 webapi 的新手，请帮助我如何编写并行方法。

 public IHttpActionResult GetData()
            {  
    Parallel.Invoke(() => ObjRepo.GetEmployee());    
//Here how can i pass its to ok return type   
                return Ok();
            }

Answer 1

您可以使用Task.WhenAll并行执行多个方法。

You apply the Task.WhenAll method to a collection of tasks. The application of WhenAll returns a single task that isn’t complete until every task in the collection is completed. The tasks appear to run in parallel, but no additional threads are created. The tasks can complete in any order.

以下是示例代码

   var method1Task = Method1Async();
   var method2Task = Method2Async();
   await Task.WhenAll(method1Task, method1Task);

你的方法应该看起来像

  public async Task Method1Async()
        {
          //Implementation 
        }
  public async Task Method2Async()
        {
         //Implemenation
        }

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