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Is it possible to remove parent/child entities without refresh?

entityManager = emf.createEntityManager();   entityManager.setFlushMode(FlushModeType.AUTO);   return

Merge with Parent/Child entities not possible

();   entityManager.setFlushMode(FlushModeType.AUTO);   return entityManager; } private void

Conflicting modifiers .... (javax.persistence.Id, javax.persistence.ManyToOne)

("numberOfMapItems"); q.setFlushMode(FlushModeType.AUTO); try { long l = (Long) q.getSingleResult

remove & persist in same transaction => Attempt to reuse an existing primary key value

.createEntityManager(); em.setFlushMode(FlushModeType.AUTO); System.out.println("create and persist"); em

Spring Transactions (@Transactional) within ObjectDB

See the links to the manual in #2 above. You should prepare the EntityManager:     em.setFlushMode

Upgrade to Java 8 won't run

.createEntityManagerFactory (dbName) em = emf.createEntityManager() em.setFlushMode(FlushModeType.AUTO

Remove a modified entity cause an optimistic lock exception

"); EntityManager em = emf.createEntityManager(); em.setFlushMode(FlushModeType.AUTO); em.getTransaction().begin

Query for objects persisted within the same transaction

/java/jpa/query/setting#Flush_Mode_setFlushMode support Support Thanks, The part about performance in

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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