OpenJPA 是标准的 JPA 框架，因此它能够被任何的 EJB3.0 容器所集成，作为 JPA 的一种实现。比如我们可以将 JBoss 应用服务器中的 JPA 实现框架由系统默认的 Hibernate 切换成 OpenJPA，同样，我们可以将 Websphere、WebLogic 等的 JPA 实现框架由系统默认的框架切换成 OpenJPA。

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