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Is 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