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5

JOD problems regarding detachCopy()

{ pm.currentTransaction().begin(); Query q=pm.newQuery(Boat.class ... .getPersistenceManager(); try { pm.currentTransaction().begin
5

Unable to persist TreeMap

.getTransaction().begin();         em.persist(p);         em.getTransaction().commit ... ()); } //for em.getTransaction().begin(); em.persist(association); em.persist(pc); em.getTransaction
5

ObjectDB Enincompatible with Quarkus?

: "__odbVersionCrc" in "Film" must not begin with "__", which is reserved by GraphQL introspection. ie ... .InvalidSchemaException: invalid schema: "__odbVersionCrc" in "Film" must not begin
5

PostUpdate collection null

= emf.createEntityManager();         em.getTransaction().begin();         MyEntity e = new MyEntity(1 ... .createEntityManager();         e = em.find(MyEntity.class, 1);         em.getTransaction().begin
5

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
5

find() cost unreasonable time!

.begin();   Nodes parent = new Nodes();   em.persist(parent);   queue.add(parent);   int iNum = 0 ... ();     trans.begin();    }   }   trans.commit();   System.out.printf("Total: %d, Level:%d %n", iNum
5

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
5

pesimistic Lock semantic

(); pm1.currentTransaction().setOptimistic(false); pm1.currentTransaction().begin(); long ... ().begin(); Picture picture2 = null; try { picture2 = (Picture) pm2.getObjectById(pm1
5

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
5

client server mod of communication

.createEntityManager(); em.getTransaction().begin(); gtr = new Getter(1, "john"); em.persist(gtr); em.getTransaction ... (); em.getTransaction().begin(); strc = new SetterClass(1, "john"); em.persist(strc); em

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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