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Unexpected behaviour upon update. Bug?

(); em.getTransaction().begin(); Update simple = new Update(); simple.i = 0 ... (); simple.v = 4; em.getTransaction().begin(); simple = em.createQuery("SELECT s FROM

Merge with Parent/Child entities not possible

();   entityManager.getTransaction().begin();   entityManager.persist(parentEntity);   parentEntity ... .assertEquals(4, parentEntity.getChildren().size());   entityManager.getTransaction().begin

Rollback after commit fail

Hi, I have question regarding transaction management in ObjectDB. Consider following scenario: Thread 1: try{ EntityManager em = emf.createEntityManager(); em.getTransaction.begin ... .getTransaction.begin() persist object2 persist object1 em.getTransaction

failure to enforce NOT NULL for java.lang.String

); //try { tr.begin(); em.persist(r); tr.commit(); //} //catch ... .getTransaction().begin();         em.persist(new Request());         em.getTransaction().commit

IN expression in a Criteria Query

();         em.getTransaction().begin();         em.persist(new MyEntity("a"));         em.persist(new ... "             );                 EntityManager em = emf.createEntityManager();         em.getTransaction().begin();         em.persist(new

em.flush(); em.clear(); loosing data and not persisting managed objects

(); } public void doit() { String sbs = "This is a test String"; em.getTransaction().begin ... system (DRCS) like hg and git. But before that can begin I have to import these csv files into a real

Unable to persist TreeMap

.getTransaction().begin();         em.persist(p);         em.getTransaction().commit ... ()); } //for em.getTransaction().begin(); em.persist(association); em.persist(pc); em.getTransaction

I can't get cascading delete to work in JDO

();         pm.currentTransaction().begin();         persist(pm);         pm.currentTransaction().commit();         pm.currentTransaction().begin();         delete(pm);         pm.currentTransaction

Sometimes the ObjectDB throws an internal expeption if a persist() was executed

executed on a test machine without ObjectDB lizense. At the beginning of the test ... see the exception, because at the beginning of our application we add for all entity classes

Threaded Test - Failed to commit transaction: Unexpected internal exception

.createEntityManager();             em.getTransaction().begin();             try {                 em ... take() {             EntityManager em = _emf.createEntityManager();             em.getTransaction().begin

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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