Switch to the JPA perspective.
切换至jpa视角。
JPA will do the right thing for you.
JPA将帮助您正确完成。
For data access, I will use JPA.
对于数据访问，我使用的是JPA。
This is a typical JPA annotated class.
这是典型的jpa注释类。
It is very similar to the JPA interface.
它类似于JPA接口。
First, add the JPA facet to the project.
首先，向项目添加jpafacet。
Many of these examples use JDO, none use JPA.
许多示例都使用JDO，没有一个使用JPA。
Now you will add JPA data to your application.
现在您需要向您的应用软件添加JPA数据。
You will use JPA for all access to this data.
将使用JPA完全访问这些数据。
Notice there are no JPA annotations on this field.
请注意该字段没有jpa注释。
We will take a look at a simple example of using JPA.
我们将看一个使用JPA的简单例子。
Do you see this working in the same way for JPA 2?
你了解JPA2中同样的工作方式吗？
The JPA specification in itself is very attractive.
JPA规范本身就很有吸引力。
You need to add the data source to the JPA provider.
您需要将该数据源添加到JPA提供程序。
The access layer can then use JDBC or JPA to get the data.
这种访问层可以使用JDBC或JPA获取数据。
What is the best way to express range constraint in JPA?
在JPA中表示范围约束的最佳方式是什么？
You need to add the persistence.xml file to the JPA project.
您需要将persistence . xml文件添加到JPA项目。
The key technical challenges of unifying REST and JPA, then, are.
统一REST和JPA的主要技术难点是。
So, it is more correct to say something like "using JPA is simpler".
所以，更准确的说法是“使用JPA更加简单”。
OR mapping is a crucial element of an application designed around JPA.
OR映射是围绕JPA设计的应用程序的重要元素。
How do you get to experience all of these cool new features of JPA 2.0?
如何体验所有这些很棒的JPA 2.0新功能？
Select the JPA Data item from the palette, and drag it onto the page.
从palette 中选择JPAData项，并将其拖住页面。
JPA many to many - do I have to remove \ add from both collection sets?
我不得不删除\添加从收藏集做JPA的多对多吗？
JPA has made this task easier, but still requires a lot of boilerplate code.
JPA让持久化变得非常容易，但是仍然需要编写很多模板代码。
The amount of work to change the JPA-QL in the XML file was still significant.
在XML文件中更改jpa - QL的工作量仍很大。
The JPA persistence unit is configured as usual through a persistence.xml file.
JPA持久性单元同样通过一个persistence . xml文件来配置。
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。
You store objects into the grid using the EntityManager.persist method, much as you would with JPA.
使用EntityManager . persist方法将对象存储到网格中，与对JPA所做的处理一样。
You store objects into the grid using the EntityManager.persist method, much as you would with JPA.
使用EntityManager . persist方法将对象存储到网格中，与对JPA所做的处理一样。
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