同步调用webapi中的方法

问题描述

我有将数据保存到数据库中的POST方法.

I have POST method which is saving data into database.

[POST]
public void SaveData()
{
  try
  {
    BusinessLayer businessLayerObject = new BusinessLayer();
    businessLayerObject.SaveDataIntoDB();
  }
  catch(Exception ex)
  {}
}

BusinessLayer.cs:-

BusinessLayer.cs :-

public void SaveDataIntoDB()
{
  try
  {
    using (var context = new EntityContext())
   {
    using (DbContextTransaction transaction=context.Database.BeginTransaction())
    {
 .... ......
    }
   }
  }
catch(Exception ex)
  {}
}

当同时有多个请求SaveData方法时，我希望SaveDataIntoDB()方法被同步调用.当完成一个SaveDataIntoDB()方法的处理时，应调用其他方法.可以怎么做呢?

When multiple requests are there at a same time for SaveData method, I want SaveDataIntoDB() method to get called synchronously.When Processing of one SaveDataIntoDB() method gets completed , it should call other.What can be done to do so?

当前没有这样做.

推荐答案

您正在寻找的是队列(FIFO).实施方法在很大程度上取决于您的部署方式.

What you are looking for is a queue (FIFO). How to implement that depends highly on how your deployment is.

如果使用的是单实例部署，则可以创建一个包装 Queue< T> 的类.它应实现为单例，并以异步方式将排队的消息发送到数据库.

If you're using a single instance deployment, you can create a class that wraps a Queue<T>. It should be implemented as a singleton and in a async fashion sends the queued messages to the database.

如果使用横向扩展方法，则需要RabbitMQ，MSMQ或其他消息队列之类的东西...

If you're using a scale out approach, you will need something like RabbitMQ, MSMQ or other message queue...

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