JPA entity with custom annotations

[Travis Collins]

I'm running a small test that uses a Guice managed JPA context. It's working very well. 

I have created some custom annotations on the entity classes. These annotations are generally used to validate values on setters. I'm using the Guice binder.bindInterceptor(...) method to intercept method calls and validate values. 

When I use a Guice Provider<> to instantiate new instances of these classes, the annotation interceptors are working correctly. 

However, when I retrieve a JPA object from the persistence context, the custom annotation interceptors are not being called. For example, if I get an entity instance using the JPA entity manager, and then try to set an invalid value on that object - the interceptor is not called and the invalid value is allowed. 

I have verified that the entityManager being used is Guice provided. 

Any ideas?

[Stephan Classen]

Yes the entityManager is created by guice.

But the entities that you retrieve from the DB are not created by guice and therefore the interceptor does not work.

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