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111-120 of 200 resultsRefreshIs it possible to remove parent/child entities without refresh? We have a big entity object tree in our project. If I use the entityManager.remove(childEntity) method to remove a child entity a entityManager.refresh(parentEntity) is necessary in order to have an updated parent/child object tree in memory. But entityManager.refresh is too slow | |
Posting Sample Code.tmp;drop"); EntityManager em = emf.createEntityManager | |
javax.persistence.EntityManagerFactory_4037" class="member method"> EntityManager" title="Interface in javax.persistence">EntityManager EntityManager . | |
javax.persistence.EntityExistsException when EntityManager/persist_Object" title="Method of javax.persistence.EntityManager">EntityManager.persist(Object) is called and the entity already exists ... > EntityManager/persist_Object" title="Method of javax.persistence.EntityManager | |
javax.persistence.NamedQuery query: @PersistenceContext public EntityManager em ... ) The name used to refer to the query with the EntityManager" title="Interface in javax.persistence">EntityManager methods that create query | |
createEntityManager().persistence">javax.persistence.EntityManagerFactoryEntityManager" title="Interface in javax.persistence">EntityManager createEntityManager() Create a new application-managed EntityManager | |
createEntityManager(map).persistence">javax.persistence.EntityManagerFactoryEntityManager" title="Interface in javax.persistence">EntityManager createEntityManager( Map ... EntityManager with the specified Map of properties. This method returns a new | |
javax.persistence.NamedNativeQuery with the EntityManager" title="Interface in javax.persistence">EntityManagerEntityManager" title="Interface in javax.persistence">EntityManager | |
javax.persistence.EntityTransaction="/api/java/jpa/EntityManager/getTransaction" title="Method of javax.persistence.EntityManager">EntityManager.getTransaction() method returns the EntityTransaction | |
Step 3: Add a Main Class; "$objectdb/db/p2.odb"); EntityManager em = emf.createEntityManager |