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Does ObjectDB support lazy loading?

.createEntityManager(); em.getTransaction().begin(); A a = new A(); a.list = new ... .createEntityManager();             if (args[0].equals("persist")) {          em.getTransaction().begin

JOD problems regarding detachCopy()

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

Unable to persist TreeMap

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

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

PostUpdate collection null

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

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

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

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

[ObjectDB 2.4.1] Unexpected exception (Error 990) on getObjectById

{             Object oid = null;             pm.currentTransaction().begin();             for (int i = 0; i ... ();                 pm.currentTransaction().begin();             pm.newQuery("SELECT a FROM

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

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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