JBoss Seam：如何在视图中打开 jpa/hibernate 会话
There is a similar question for Spring.
But what about JBoss Seam, I need a suggestion regarding the application I am developing.
If you need any specific version information, they are
- Seam 2.2
- JSF 1.2
- JPA 1 and Hibernate as persistence provider
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查看与持久化上下文相关的Seam 文档。
http://docs.jboss.org/seam/2.2.0.GA/reference/en-US/html/persistence.html#persistence.seam-management-persistence-contexts
本质上，您使用seam 注册持久化上下文并将EntityManager 注入到您的bean 中。您可以通过在@Begin注释（@Begin和@End控制对话）中设置flushMode将上下文与对话关联起来，以保持会话在多个请求中打开。
Check out the seam documentation related to persistence contexts.
http://docs.jboss.org/seam/2.2.0.GA/reference/en-US/html/persistence.html#persistence.seam-managed-persistence-contexts
Essentially, you register the persistence context with seam and inject the EntityManager into your bean. You can associate the context with a conversation to keep the session open across multiple requests by setting the flushMode in the @Begin annotation (@Begin and @End control conversations).