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我有以下代码，

public class UserAccount {

  @PrimaryKey
  @Persistent
  private Long id;  
  ....

所以，通过代码创建主键，但是当我通过查看数据存储查看器时 

http://localhost:8888/_ah/admin , I see key got populated via datastore (some encoded key). Is this an expected behavior ?. The problem however is when I try to connect my child objects with the parent objects. Thanks alot.
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1 回答 1

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是的，这是完全可以预料的。有关更多信息，请查看JDO 密钥

于 2012-10-13T05:38:25.493 回答