帮助我了解SEAM和Hibernate? [英] Help me to understand SEAM and Hibernate?
问题描述
我想用Hibernate使用SEAM框架,但不想使用EJB。我不能使用EJB。
第一个问题是,可以使用EntityManager吗?或者是EntityManager是EJB的一部分?
如何在我的SEAM组件中使用Hibernate?
谢谢,Philip
使用Seam,您可以使用Hibernate或JPA(EntityManager)。它与EJB无关。如果需要,可以使用普通POJO。
如何在我的SEAM组件中使用Hibernate?
这里是Hibernate设置 WEB-INF / components.xml
SessionFactory 设置
< persistence:hibernate-session-factory name =sessionFactorycfg-resource-name =app.cfg.xml/>
其中app.cfg.xml放在类路径的根目录
会话设置
持久性:managed-hibernate-session name =sessionhibernate-session-factory =#{sessionFactory}auto-create =true/>
交易管理设置
<! - 它负责在底层的Transaction API中调用begin和commit - >
<! - 这里是一个Hibernate Transaction API - >
< tx:hibernate-transaction session =#{session}/>
要注入休眠会话,您可以使用
/ **
* Seam查找Seam启用的组件通过引用的名称 - 会话
* /
private @In Session session;请注意,Seam可以使用任何MVC框架,但默认情况下使用Java Server Faces。如果你想要的话,你可以创建自己的MVC功能。看看 JBoss Seam Tuto
I want to use SEAM Framework with Hibernate but do not want to use EJB. I cannot use EJB.
First question is, can I use EntityManager? or is EntityManager a part of EJB?
How can I get access to use Hibernate in my SEAM component?
Thanks, Philip
解决方案 With Seam, you can use either Hibernate or JPA (EntityManager). It works regardless of EJB. You can use plain POJO if you want.
How can I get access to use Hibernate in my SEAM component ?
Here goes Hibernate settings WEB-INF/components.xml
SessionFactory settings
<persistence:hibernate-session-factory name="sessionFactory" cfg-resource-name="app.cfg.xml"/>
Where app.cfg.xml is placed in the root of the classpath
Session settings
<persistence:managed-hibernate-session name="session" hibernate-session-factory="#{sessionFactory}" auto-create="true"/>
TransactionManagement settings
<!--It takes care of calling begin and commit in the underlying Transaction API-->
<!--Here a Hibernate Transaction API-->
<tx:hibernate-transaction session="#{session}"/>
To inject your Hibernate Session you can use
/**
* Seam lookup Seam enabled components Through its referenced name - session
*/
private @In Session session;
Keep in mind Seam works with any MVC framework although it uses Java Server Faces by default. You can create even your own MVC capabilities if you want. Take a look at JBoss Seam Tuto
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