Next, create an instance of the object where you can set all the query parameters.
接下来，创建一个对象实例，可以在其中设置所有查询参数。
query the status of an object that has been indexed
查询已被索引的对象的状态
JPA also has a fully functional query language that can work against an object model.
JPA还拥有可以用于对象模型的全功能查询语言。
The base class for the results of an object query against a conceptual model.
表示针对概念模型的对象查询的结果的基类。
The base class for the results of an object query against a conceptual model.
表示针对概念模型的对象查询的结果的基类。
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