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EntityManager getMetamodel() causes crash

: : // Store 1000 Point objects in the database: em.getTransaction().begin ... " EntityManager em = emf.createEntityManager(); em.getTransaction().begin

Should I be able to persist a JFrame (or gui components in general)?

a; a = new NewJFrame(); a.setVisible(true); em.getTransaction().begin ... (a.pJTextField1.getText()); //did have text when ran em.getTransaction().begin(); em.persist(a); em

Merge with Parent/Child entities not possible

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

OutofMemory error with Object DB 2.0

is used to begin the transaction. With objectdb 2.x do we need to close the PersistentManager ... ; } // are we at the start of a new transaction? if (writeItemNumber == 0 && !transaction.isActive()) { transaction.begin

ObjectDB CRUD Examples

")); EntityManager em = emf.createEntityManager(); em.getTransaction().begin ... .createEntityManager(); em.getTransaction().begin(); CriteriaBuilder criteriaBuilder = em

objectdb-2.6.9_02 (with "objectdb.temp.no-enhancement-crc-check") vs. generic classes with interfaces: detailed investigation

em = emf.createEntityManager();         em.getTransaction().begin();         em.persist(new ... ); .... } EntityManager em = emf.createEntityManager(); log_info("Persist project.."); em.getTransaction().begin

EntityManagerFactory Fails To Swtich Over To Slave When Master Is Unavailable

) {   if (WRITE_DATA_TO_DATABASE) {    em.getTransaction().begin();    for (int i = 0; i < 1000; i ... .getTransaction().begin();    for (int i = 0; i < 1000; i++) {     Point p = new Point(i, i);     em.persist(p

@Unique member combination not working

{             em.getTransaction().begin();             em.persist(person);             em.getTransaction ... = emf.createEntityManager();             try {                 em.getTransaction().begin

Issues with JDO Casting & Full Qualified Names

.createEntityManager();   em.getTransaction().begin();   MyEntity entity = new MyEntity();   entity ... .createEntityManager();         em.getTransaction().begin();         MyEntity entity = new MyEntity

preUpdate-methods are called when there is no change

Dear Support Team, we ran into some difficulties with a database. When fetching a entity using the EntityManager and afterwards calling "iterator().next()" a transaction begin/commit will end up in ... ().begin(); connection.getTransaction().commit(); // --> will result in a call of @PreUpdate

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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