If you want to expose the EntityManager you can do this as follows:
// in your private module:
final Provider<EntityManager> entityManagerProvider =
binder().getProvider(EntityManager.class);
bind(EntityManager.class).annotatedWith(MyDataSourceOne.class).toProvider(entityManagerProvider);
expose(EntityManager.class).annotatedWith(MyDataSourceOne.class);
Now the EntityManager is available outsied the private module:
@Inject @MyDataSourceOne
EntityManager entityManager;
And here is the code to the session provider you asked for:
public class SessionProvider implements Provider<Session> {
/** The entity manger to retrieve the session from. */
@Inject
private Provider<EntityManager> entityManagerProvider;
/**
* @return the Hibernate session, being the delegate of the entity
manager provided by the injected entity manager provider.
*/
@Override
public Session get() {
final Session session = (Session)
entityManagerProvider.get().getDelegate();
// configure session i.e. flush mode or filtering
return session;
}
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