Examples with ObjectHolder org.jpox.samples.objects.ObjectHolder used on opensource projects

Example 1 with ObjectHolder

use of org.jpox.samples.objects.ObjectHolder in project tests by datanucleus.

the class ObjectsTest method testOneToOneRelation.

/**
 * Test for 1-1 relations where 1 side is marked as an Object, though is
 * really PersistenceCapable.
 */
public void testOneToOneRelation() {
    try {
        Object holderId = null;
        PersistenceManager pm = pmf.getPersistenceManager();
        Transaction tx = pm.currentTransaction();
        try {
            // Create some objects.
            tx.begin();
            ObjectImpl1 impl1 = new ObjectImpl1("First implementation");
            ObjectHolder holder = new ObjectHolder("First Holder");
            holder.setObject3(impl1);
            pm.makePersistent(holder);
            tx.commit();
            holderId = pm.getObjectId(holder);
        } catch (JDOUserException ue) {
            assertTrue("Exception thrown during create of java.lang.Object objects.", false);
        } finally {
            if (tx.isActive()) {
                tx.rollback();
            }
            pm.close();
        }
        // Retrieve the holder and check its contents
        pm = pmf.getPersistenceManager();
        tx = pm.currentTransaction();
        try {
            tx.begin();
            ObjectHolder holder = (ObjectHolder) pm.getObjectById(holderId);
            assertTrue("Holder was not retrieved correctly", holder != null);
            assertTrue("Holder nonserialised object is null!", holder.getObject3() != null);
            assertEquals("Holder nonserialised object was of incorrect type", holder.getObject3().getClass().getName(), "org.jpox.samples.objects.ObjectImpl1");
            assertEquals("Holder nonserialised object has incorrect name!", ((ObjectImpl1) holder.getObject3()).getName(), "First implementation");
            tx.commit();
        } catch (JDOUserException ue) {
            assertTrue("Exception thrown during retrieval of java.lang.Object objects.", false);
        } finally {
            if (tx.isActive()) {
                tx.rollback();
            }
            pm.close();
        }
        // Update the object field to use a different object
        pm = pmf.getPersistenceManager();
        tx = pm.currentTransaction();
        try {
            tx.begin();
            ObjectHolder holder = (ObjectHolder) pm.getObjectById(holderId);
            holder.setObject3(new ObjectImpl1("Second implementation"));
            tx.commit();
        } catch (JDOUserException ue) {
            fail("Exception thrown during update of object container with new object reference : " + ue.getMessage());
        } finally {
            if (tx.isActive()) {
                tx.rollback();
            }
            pm.close();
        }
        // Retrieve the container and check its contents
        pm = pmf.getPersistenceManager();
        tx = pm.currentTransaction();
        try {
            tx.begin();
            ObjectHolder holder = (ObjectHolder) pm.getObjectById(holderId);
            assertTrue("Holder was not retrieved correctly", holder != null);
            assertTrue("Holder nonserialised object is null!", holder.getObject3() != null);
            assertEquals("Holder nonserialised object was of incorrect type", holder.getObject3().getClass().getName(), "org.jpox.samples.objects.ObjectImpl1");
            assertEquals("Holder nonserialised object has incorrect name!", ((ObjectImpl1) holder.getObject3()).getName(), "Second implementation");
            tx.commit();
        } catch (JDOUserException ue) {
            assertTrue("Exception thrown during retrieval of java.lang.Object objects.", false);
        } finally {
            if (tx.isActive()) {
                tx.rollback();
            }
            pm.close();
        }
    } finally {
        // Clean out our data
        clean(ObjectHolder.class);
        clean(ObjectImpl1.class);
    }
}

Example 2 with ObjectHolder

use of org.jpox.samples.objects.ObjectHolder in project tests by datanucleus.

the class ObjectsTest method testOneToManyRelationWithJoinTable.

/**
 * Test for 1-N relations the collection is of Object (not embedded) using a Join table.
 */
public void testOneToManyRelationWithJoinTable() {
    try {
        Object holderId = null;
        PersistenceManager pm = pmf.getPersistenceManager();
        Transaction tx = pm.currentTransaction();
        try {
            // Create some objects.
            tx.begin();
            ObjectImpl1 impl1 = new ObjectImpl1("Second implementation");
            ObjectHolder holder = new ObjectHolder("First Holder");
            holder.getSet1().add(impl1);
            pm.makePersistent(holder);
            tx.commit();
            holderId = pm.getObjectId(holder);
        } catch (JDOUserException ue) {
            assertTrue("Exception thrown during create of Collection of java.lang.Object objects.", false);
        } finally {
            if (tx.isActive()) {
                tx.rollback();
            }
            pm.close();
        }
        pm = pmf.getPersistenceManager();
        tx = pm.currentTransaction();
        try {
            tx.begin();
            ObjectHolder holder = (ObjectHolder) pm.getObjectById(holderId);
            assertTrue("Holder was not retrieved correctly", holder != null);
            assertEquals("Holder has incorrect number of objects", holder.getSet1().size(), 1);
            Object obj = holder.getSet1().iterator().next();
            assertEquals("Object contained in container is of incorrect type", obj.getClass(), org.jpox.samples.objects.ObjectImpl1.class);
            ObjectImpl1 obj1 = (ObjectImpl1) obj;
            assertEquals("Object container in container has incorrect name", obj1.getName(), "Second implementation");
            tx.commit();
        } catch (JDOUserException ue) {
            assertTrue("Exception thrown during retrieval of container of java.lang.Object objects.", false);
        } finally {
            if (tx.isActive()) {
                tx.rollback();
            }
            pm.close();
        }
    } finally {
        // Clean out our data
        clean(ObjectHolder.class);
        clean(ObjectImpl1.class);
    }
}