Examples of org.apache.cayenne.ObjectContext.commitChanges()

org.apache.cayenne.ObjectContext.commitChanges()
Flushes all changes to objects in this context to the parent DataChannel, cascading flush operation all the way through the stack, ultimately saving data in the database.

        invalidate.add(bl6);
        bl6.setBox(bx2);
        bl6.setThingVolume(40);
        bl6.setThingWeight(30);


        context.commitChanges();


        tBoxThing.insert(Cayenne.intPKForObject(bx1), t1.getWeight(), t1.getVolume());
        tBoxThing.insert(Cayenne.intPKForObject(bx1), t2.getWeight(), t2.getVolume());
        tBoxThing.insert(Cayenne.intPKForObject(bx2), t3.getWeight(), t3.getVolume());
        tBoxThing.insert(Cayenne.intPKForObject(bx1), t4.getWeight(), t4.getVolume());

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        handler.relate(r1, e1);


        assertEquals("E1:1", r1.getUuid());
        assertSame(e1, r1.readPropertyDirectly("cay:related:uuid"));


        context.commitChanges();


        Object[] r1x = rootTable.select();
        assertEquals("E1:1", r1x[1]);
    }

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        UuidRelationshipHandler handler = new UuidRelationshipHandler(refHandler);
        handler.relate(r1, e1);


        assertSame(e1, r1.readPropertyDirectly("cay:related:uuid"));


        context.commitChanges();


        int id = Cayenne.intPKForObject(e1);


        Object[] r1x = rootTable.select();
        assertEquals("E1:" + id, r1x[1]);

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        UuidRelationshipHandler handler = new UuidRelationshipHandler(refHandler);
        handler.relate(r1, e1);


        assertSame(e1, r1.readPropertyDirectly("cay:related:uuid"));


        context.commitChanges();


        int id = Cayenne.intPKForObject(e1);
        assertFalse(1 == id);


        Object[] r1x = rootTable.select();

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    public void testChangeEventOnPeerChangeSecondNestingLevel() throws Exception {
        ObjectContext childPeer1 = context.createChildContext();


        Artist a = childPeer1.newObject(Artist.class);
        a.setArtistName("X");
        childPeer1.commitChanges();


        final MockChannelListener listener = new MockChannelListener();
        EventUtil.listenForChannelEvents((DataChannel) childPeer1, listener);


        ObjectContext childPeer2 = context.createChildContext();

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        childDeleted.setArtistName("DDD");


        Artist childHollow = (Artist) objects.get(3);
        childContext.invalidateObjects(childHollow);


        childContext.commitChanges();


        assertEquals(PersistenceState.COMMITTED, childNew.getPersistenceState());
        assertEquals(PersistenceState.COMMITTED, childModified.getPersistenceState());
        assertEquals(PersistenceState.COMMITTED, childCommitted.getPersistenceState());
        assertEquals(PersistenceState.TRANSIENT, childDeleted.getPersistenceState());

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        DataContext context = createDataContext();
        ObjectContext child = context.createChildContext();


        Artist a = child.newObject(Artist.class);
        a.setArtistName("X");
        child.commitChanges();


        Painting p1 = child.newObject(Painting.class);
        p1.setPaintingTitle("P1");
        a.addToPaintingArray(p1);

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        Gallery g = context.newObject(Gallery.class);
        g.setGalleryName("G1");


        p.setToArtist(a);
        p.setToGallery(g);
        context.commitChanges();


        p.setToArtist(null);
        p.setToGallery(null);


        context.commitChanges();

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        context.commitChanges();


        p.setToArtist(null);
        p.setToGallery(null);


        context.commitChanges();


        SQLTemplate q = new SQLTemplate(Painting.class, "SELECT * from PAINTING");
        q.setColumnNamesCapitalization(CapsStrategy.UPPER);
        q.setFetchingDataRows(true);

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        deleteTestData();
        ObjectContext context = createDataContext();
        
        Artist a = context.newObject(Artist.class);
        a.setArtistName("testOrBrackets");
        context.commitChanges();
        
        //this query is equivalent to (false and (false or true)) and
        //should always return 0 rows
        EJBQLQuery query = new EJBQLQuery("select a from Artist a " +
        "where a.artistName <> a.artistName and " +

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