Google Cloud Endpoints中的多个实体参数 [英] Multiple Entity arguments in Google Cloud Endpoints

问题描述

如何将多个实体从客户端传递到Google Cloud Endpoint?

How can I pass more than one Entity from a client to a Google Cloud Endpoint?

例如，在服务器中的Endpoint api源文件中轻松地传递单个实体:

For example, passing a single Entity is easily done in an Endpoint api source file in the server:

public class SomeEndpoint {
...
   @ApiMethod(...)
   public MyEntity someMethod(MyEntity someEntity) {
   ...
   }
...
}

然后在我可以轻松致电给客户的客户中

then in a client I could easily call

endpoint.someMethod(someEntity).execute()

但是，如果我想将两个实体传递给端点怎么办?

But, what if I want to pass two entities to an endpoint?, like this:

 @ApiMethod(...)
 public MyEntity otherMethod(MyEntity someEntity, MyEntity someOtherEntity) {
    ...
 }

这不起作用，GPE仅使用单个MyEntity参数生成一个端点库.

this doesn't work, GPE only generates an endpoint library with a single MyEntity argument.

是否可以传递多个Entity参数?

Is it possible to pass multiple Entity arguments?

谢谢.

推荐答案

您不能在请求的正文中发送多个实体类型.您需要创建一个包含这两个实体的包装器实体，例如:

You can't send multiple entity types in the body of your request. You'll need to create a wrapper entity that contains those two entities, e.g.:

class MyWrapperEntity {
  MyEntity someEntity;
  MyOtherEntity someOtherEntity;
  // ...
}

但是，那不是您的示例所显示的(实体是同一类型).在集合实体内部使用List<MyEntity>或Map<String, MyEntity>代替，例如:

However, that's not what your example shows (the entities are the same type). Use a List<MyEntity> or Map<String, MyEntity> inside of a collection entity instead, e.g.:

class MyEntityCollection {
  List<MyEntity> items;
  // ...
}

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