8.6 How to obtain the container-managed EntityManager

To obtain the container-managed EntityManager from the J2EE application, use one of the following methods:

• Method of injecting EntityManager in the application field and setter method by using the DI

• Method of looking up EntityManager by using the JNDI from the application

The following sections describe each of the methods.

Organization of this section

• 8.6.1 Method of injecting EntityManager in the application

• 8.6.2 Method of looking up EntityManager from the application

• 8.6.3 Overriding the @PersistenceContext definition using the DD

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