JPA
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英
- 网络持久化(Java Persistence API)；服务局；公共服务局(Jabatan Perkhidmatan Awam)
例句
JPA entities are Java class representations of a database, and allow you to interact on a disconnected model of the database.
JPA实体是一个数据库的Java类的代表，并使您能够与数据库没有链接的模型相交流。
Play makes it pretty easy to switch in and out of various datastores, and it supports JPA out of the box.
Play使得切换各种数据存储非常轻松，它开箱即用地支持JPA。
Implementing JPA-compliant entity managers seems to be the likely direction of these technologies.
实现JPA兼容的实体管理器似乎很可能是此类技术的发展方向。
You will see a number of errors show up in the Problems view that you can safely ignore until you create your JPA entities.
在Problems视图中您将会看到一系列的错误，在创建JPA实体之前您可以一直忽略它。
This means that when someone asks for an order, the JPA engine will fetch all the line items that are associated with the order as well.
这意味着，当有人请求订单时，JPA引擎还将获取与该订单相关的所有行项目。
The class is annotated with an @Entity annotation to indicate to JPA that this class is a mapped entity.
类带上了注释@Entity，以向JPA指示该类是一个被映射的实体。
A key concept of the JPA is that of a persistence context.
JPA的一个重要概念是持久上下文。
Frank: One of the initial goals of GraniteDS was to leverage all features of JPA engines, starting with lazy-loading and Hibernate.
Frank：GraniteDS最初的一个目标就是利用JPA引擎的所有特性，从延迟加载和Hibernate开始。
JPA seems to be the solution that everyone has been looking for. What's your take on it?
JPA似乎是每个人都在寻求的解决方案，对此你有什么看法？
Not surprisingly, as the persistence unit is no longer defined by Java EE, no such name will be populated by the OSGi JPA runtime.
由于持久性单元不再由JavaEE定义，因此这样的名称不会由OSGiJPA运行时填充。
The JPA Manager Bean wizard provides tools for you to access a database and manage its entities effectively.
JPAManagerBean向导向您提供的工具，使您能够访问一个数据库，并有效的管理它的实体。
Loaded with both in- and out-of-container persistence options, JPA brings J2EE architects a number of new design choices.
由于具有容器内和容器外持久性选项，JPA为J2EE架构师带来一系列全新设计选择。
The JDO and JPA interfaces present some leaky abstractions due to the fact that BigTable is not a relational database.
由于BigTable不是一个关系数据库，JDO和JPA的接口出现了一些抽象泄漏。
As you can see, most of the benefits of EJB 3 and JPA that you mention involve simplifying assumptions that may not work for all situations.
正如您可以看到的，您提到的EJB3和JPA的大多数好处都包括简化假设，这可能无法适用于所有情况。
JPA is a simplified programming model used for object relational mapping and data persistence.
JPA是一个用于对象关系映射以及数据支持的简化程序模型。
When merging a detached object back into a session, JPA will examine the object and update the data store with any changed values.
将分离对象合并回会话时，JPA将检查该对象，并使用任何更改值来更新数据存储区。
If you do not specify the Join column, JPA will attempt to resolve the keys based on a naming scheme.
如果您未指定Join列，JPA将根据命名方案尝试解析这些键。
You use the @OneToMany annotation to let the JPA runtime know that this is a managed relation with one team having many players.
使用@OneToMany注释让JPA运行时知道这是一个管理关系，球队有多名球员。
JPA enables you to configure a single side cache (shown in Figure 5) to improve performance.
JPA使您能配置一个sidecache（如图5所示）来改进性能。
Now, let us have a look at the JPA (Java Persistence API) annotations of your generated Application Java domain class.
现在，让我们看一下生成ApplicationJava领域类的JPA（Java持久化API）注释吧。
The client must be written in the Java language to invoke JPA through a remote session bean or similar facade.
客户端必须使用Java语言编写，通过一个远程会话Bean或类似的方法来调用JPA。
On the first page, you can select one of the available JPA Managers that you want to use in the current page.
在第一页中，您可以选择一个可用的，您想在当前页面中使用的JPAManagers。
Hibernate's JPA support provides for JPA standard persistence and is a good alternative to the proprietary Hibernate APIs.
Hibernate的JPA支持提供JPA标准持久性，并且是专有HibernateAPI的较好替代方案。
Also, the new JPA specification does not include automatic container-managed relationship (CMR) maintenance.
此外，新的JPA规范没有包括容器管理关系（container-managedrelationship，CMR）的自动维护。
The CRUD (Create, Read, Update, Delete) module generates a fully usable web interface for your JPA Model objects.
（增加，读取，更新，删除）模块生成一个完全可用的web接口为你的JPA模型对象。
From the JPA perspective, in the JPA Structure view (usually on the top-right of the JPA perspective), select the birthdate attribute.
在JPA视角下，从JPAStructure视图中（通常在JPA视角的右上部），选择birthdate属性。
Let me quickly go through the various ways of accessing data with JPA, assuming you are familiar with how to map Java objects in JPA.
让我们快速浏览一下使用JPA访问数据的各种方法，假定您非常熟悉在JPA中映射Java对象的方式。
The Java Persistence API (JPA) defines how a server-side application should interact with persistent data stored in a relational database.
JavaPersistenceAPI（JPA）定义了一个服务器端应用程序是如何查询存储在一个关系数据库中的数据的。
A transaction callback must be defined in the objectgrid. xml to receive transaction commit or rollback events and send it to the JPA layer.
在objectgrid.xml中必须定义事务的回调函数，这样就可以接收事务提交或回滚的事件，并将其发送到JPA层。
I am personally part of the JPA 2 expert group and have been thinking about Java Persistence integration for a while.
我个人是JPA2专家组的成员，已经对JavaPersistence集成思索了一段时间。
JPA entities are a natural fit to be used as the data-binding model required for most JSF components.
JPA实体可以用做大多数JSF组件需要的数据捆绑模。
JPA has a significant limitation: JPA does not fully support calling stored procedures with the OUT parameter.
JPA有一个非常重要的限制：JPA并不能完全支持对带有OUT参数的存储过程的访问。
The JPA application holds no reference to the detached objects between the first access request and the subsequent change request.
JPA应用程序在第一个访问请求和后续修改请求之间并没有保持分离对象的引用。
OpenJPA is focused on building a robust, high performance, scalable implementation of the JPA specification.
OpenJPA旨在构建一个稳健、高性能、可伸缩的JPA规范实现。
Much like JPA, all of EJB 3. 0 has been simplified with a POJO programming model, making EJB 3. 0 easy to code.
与JPA非常相似，EJB3.0的所有内容都通过POJO编程模型得到了简化，从而使得EJB3.0非常易于编码。
The current JPA specification provides some elementary facilities for the customization of closures.
当前的JPA规范提供了一些基本的自定义闭包工具。
Namespaces simplifying Spring MVC and JPA usage will probably be the first to be added to the core.
简化SpringMVC和JPA使用的命名空间可能会最先加入到核心中去。
In the JPA Details view, uncheck the Optional check box and check the All check box for the Cascade options, as shown in Figure 12.
在JPADetails视图中，取消Optional复选框的选择，并选中All复选框，如图12所示。
Apache OpenJPA provides a great opportunity to begin using JPA on the WebSphere Application Server platform.
OpenJPA为开始在WebSphereApplicationServer平台上使用JPA提供了重要的机会。
The JPA specification in its current form does not define read-only entity beans.
当前形式的JPA规范没有定义只读实体bean。
