Package org.apache.cayenne

Examples of org.apache.cayenne.ObjectContext

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        LifecycleCallbackRegistry registry = getDomain()
                .getEntityResolver()
                .getCallbackRegistry();

        ObjectContext context = createDataContext();
        Artist a1 = context.newObject(Artist.class);
        a1.setArtistName("XX");
        context.commitChanges();
        assertFalse(a1.isPostPersisted());

        registry.addListener(
                LifecycleEvent.POST_PERSIST,
                Artist.class,
                "postPersistCallback");
        MockCallingBackListener listener2 = new MockCallingBackListener() {

            @Override
            public void publicCallback(Object entity) {
                super.publicCallback(entity);
                assertFalse(((Persistent) entity).getObjectId().isTemporary());
            }
        };
        registry.addListener(
                LifecycleEvent.POST_PERSIST,
                Artist.class,
                listener2,
                "publicCallback");

        Artist a2 = context.newObject(Artist.class);
        a2.setArtistName("XX");
        context.commitChanges();

        assertFalse(a1.isPostPersisted());
        assertTrue(a2.isPostPersisted());
        assertSame(a2, listener2.getPublicCalledbackEntity());
    }
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public class NestedDataContextParentEventsTest extends CayenneCase {

    public void testParentUpdatedId() {
        DataContext context = createDataContext();
        ObjectContext child1 = context.createChildContext();

        Artist ac = child1.newObject(Artist.class);
        ac.setArtistName("X");
        child1.commitChangesToParent();

        Artist ap = (Artist) context.getGraphManager().getNode(ac.getObjectId());
        assertNotNull(ap);

        assertTrue(ap.getObjectId().isTemporary());
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    public void testPostLoad() throws Exception {
        LifecycleCallbackRegistry registry = getDomain()
                .getEntityResolver()
                .getCallbackRegistry();

        ObjectContext context = createDataContext();

        registry.addListener(LifecycleEvent.POST_LOAD, Artist.class, "postLoadCallback");
        MockCallingBackListener listener = new MockCallingBackListener();
        registry.addListener(
                LifecycleEvent.POST_LOAD,
                Artist.class,
                listener,
                "publicCallback");

        Artist a1 = context.newObject(Artist.class);
        a1.setArtistName("XX");
        context.commitChanges();
        assertEquals(0, a1.getPostLoaded());
        assertNull(listener.getPublicCalledbackEntity());

        SelectQuery q = new SelectQuery(Artist.class);
        context.performQuery(q);
        assertEquals(1, a1.getPostLoaded());
        assertSame(a1, listener.getPublicCalledbackEntity());

        a1.resetCallbackFlags();
        listener.reset();

        // post load must be called on rollback...
        a1.resetCallbackFlags();
        listener.reset();

        context.rollbackChanges();
        assertEquals(0, a1.getPostLoaded());
        assertNull(listener.getPublicCalledbackEntity());

        // now change and rollback the artist - postLoad must be called
        a1.setArtistName("YY");
        context.rollbackChanges();
        assertEquals(1, a1.getPostLoaded());
        assertSame(a1, listener.getPublicCalledbackEntity());

        // test invalidated
        a1.resetCallbackFlags();
        listener.reset();
        assertEquals(0, a1.getPostLoaded());
        assertNull(listener.getPublicCalledbackEntity());

        context.performQuery(new RefreshQuery(a1));
        assertEquals(0, a1.getPostLoaded());
        assertNull(listener.getPublicCalledbackEntity());

        a1.getArtistName();
        assertEquals(1, a1.getPostLoaded());
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    public void testPostLoad_MixedResult() throws Exception {
        LifecycleCallbackRegistry registry = getDomain()
                .getEntityResolver()
                .getCallbackRegistry();

        ObjectContext context = createDataContext();

        registry.addListener(LifecycleEvent.POST_LOAD, Artist.class, "postLoadCallback");
        MockCallingBackListener listener = new MockCallingBackListener();
        registry.addListener(
                LifecycleEvent.POST_LOAD,
                Artist.class,
                listener,
                "publicCallback");

        Artist a1 = context.newObject(Artist.class);
        a1.setArtistName("XX");
        context.commitChanges();
        assertEquals(0, a1.getPostLoaded());
        assertNull(listener.getPublicCalledbackEntity());

        EJBQLQuery q = new EJBQLQuery("select a, a.artistName from Artist a");
        context.performQuery(q);
        assertEquals(1, a1.getPostLoaded());
        assertSame(a1, listener.getPublicCalledbackEntity());
    }
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import org.apache.cayenne.testdo.mt.ClientMtTable1;

public class NestedObjectContextRollbackTest extends RemoteCayenneCase {

    public void testRollbackChanges() {
        ObjectContext child1 = context.createChildContext();
       
        assertFalse(context.hasChanges());
        assertFalse(child1.hasChanges());
       
        context.newObject(ClientMtTable1.class);
        child1.newObject(ClientMtTable1.class);
       
        assertTrue(context.hasChanges());
        assertTrue(child1.hasChanges());
       
        child1.rollbackChanges();
        assertFalse(context.hasChanges());
        assertFalse(child1.hasChanges());
       
        context.rollbackChanges();
    }
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        context.rollbackChanges();
    }
   
    public void testRollbackChangesLocally() {
        ObjectContext child1 = context.createChildContext();
       
        assertFalse(context.hasChanges());
        assertFalse(child1.hasChanges());
       
        context.newObject(ClientMtTable1.class);
        child1.newObject(ClientMtTable1.class);
       
        assertTrue(context.hasChanges());
        assertTrue(child1.hasChanges());
       
        child1.rollbackChangesLocally();
        assertTrue(context.hasChanges());
        assertFalse(child1.hasChanges());
       
        context.rollbackChanges();
    }
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    public void testCreateChildDataContext() {
        DataContext parent = createDataContext();
        parent.setValidatingObjectsOnCommit(true);

        ObjectContext child1 = parent.createChildContext();

        assertNotNull(child1);
        assertSame(parent, child1.getChannel());
        assertTrue(((DataContext) child1).isValidatingObjectsOnCommit());

        parent.setValidatingObjectsOnCommit(false);

        ObjectContext child2 = parent.createChildContext();

        assertNotNull(child2);
        assertSame(parent, child2.getChannel());
        assertFalse(((DataContext) child2).isValidatingObjectsOnCommit());

        // second level of nesting
        ObjectContext child21 = child2.createChildContext();

        assertNotNull(child21);
        assertSame(child2, child21.getChannel());
        assertFalse(((DataContext) child2).isValidatingObjectsOnCommit());
    }
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    public void testLocalObjectSynchronize() throws Exception {
        deleteTestData();
        createTestData("testArtists");

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

        Persistent _new = context.newObject(Artist.class);

        Persistent hollow = context.localObject(new ObjectId(
                "Artist",
                Artist.ARTIST_ID_PK_COLUMN,
                33001), null);
        DataObject committed = (DataObject) Cayenne.objectForQuery(
                context,
                new ObjectIdQuery(new ObjectId(
                        "Artist",
                        Artist.ARTIST_ID_PK_COLUMN,
                        33002)));

        int modifiedId = 33003;
        Artist modified = (Artist) Cayenne.objectForQuery(
                context,
                new ObjectIdQuery(new ObjectId(
                        "Artist",
                        Artist.ARTIST_ID_PK_COLUMN,
                        modifiedId)));
        modified.setArtistName("M1");
        DataObject deleted = (DataObject) Cayenne.objectForQuery(
                context,
                new ObjectIdQuery(new ObjectId(
                        "Artist",
                        Artist.ARTIST_ID_PK_COLUMN,
                        33004)));
        context.deleteObject(deleted);

        assertEquals(PersistenceState.HOLLOW, hollow.getPersistenceState());
        assertEquals(PersistenceState.COMMITTED, committed.getPersistenceState());
        assertEquals(PersistenceState.MODIFIED, modified.getPersistenceState());
        assertEquals(PersistenceState.DELETED, deleted.getPersistenceState());
        assertEquals(PersistenceState.NEW, _new.getPersistenceState());

        // now check how objects in different state behave

        blockQueries();

        try {

            Persistent newPeer = childContext.localObject(_new.getObjectId(), _new);

            assertEquals(_new.getObjectId(), newPeer.getObjectId());
            assertEquals(PersistenceState.COMMITTED, newPeer.getPersistenceState());

            assertSame(childContext, newPeer.getObjectContext());
            assertSame(context, _new.getObjectContext());

            Persistent hollowPeer = childContext
                    .localObject(hollow.getObjectId(), hollow);
            assertEquals(PersistenceState.HOLLOW, hollowPeer.getPersistenceState());
            assertEquals(hollow.getObjectId(), hollowPeer.getObjectId());
            assertSame(childContext, hollowPeer.getObjectContext());
            assertSame(context, hollow.getObjectContext());

            Persistent committedPeer = childContext.localObject(
                    committed.getObjectId(),
                    committed);
            assertEquals(PersistenceState.COMMITTED, committedPeer.getPersistenceState());
            assertEquals(committed.getObjectId(), committedPeer.getObjectId());
            assertSame(childContext, committedPeer.getObjectContext());
            assertSame(context, committed.getObjectContext());

            Artist modifiedPeer = (Artist) childContext.localObject(modified
                    .getObjectId(), modified);
            assertEquals(PersistenceState.COMMITTED, modifiedPeer.getPersistenceState());
            assertEquals(modified.getObjectId(), modifiedPeer.getObjectId());
            assertEquals("M1", modifiedPeer.getArtistName());
            assertSame(childContext, modifiedPeer.getObjectContext());
            assertSame(context, modified.getObjectContext());

            Persistent deletedPeer = childContext.localObject(
                    deleted.getObjectId(),
                    deleted);
            assertEquals(PersistenceState.COMMITTED, deletedPeer.getPersistenceState());
            assertEquals(deleted.getObjectId(), deletedPeer.getObjectId());
            assertSame(childContext, deletedPeer.getObjectContext());
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    public void testLocalObjectsNoOverride() throws Exception {
        deleteTestData();
        createTestData("testArtists");

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

        int modifiedId = 33003;
        Artist modified = (Artist) Cayenne.objectForQuery(
                context,
                new ObjectIdQuery(new ObjectId(
                        "Artist",
                        Artist.ARTIST_ID_PK_COLUMN,
                        modifiedId)));
        Artist peerModified = (Artist) Cayenne.objectForQuery(
                childContext,
                new ObjectIdQuery(new ObjectId(
                        "Artist",
                        Artist.ARTIST_ID_PK_COLUMN,
                        modifiedId)));

        modified.setArtistName("M1");
        peerModified.setArtistName("M2");

        assertEquals(PersistenceState.MODIFIED, modified.getPersistenceState());
        assertEquals(PersistenceState.MODIFIED, peerModified.getPersistenceState());

        blockQueries();

        try {

            Persistent peerModified2 = childContext.localObject(
                    modified.getObjectId(),
                    modified);
            assertSame(peerModified, peerModified2);
            assertEquals(PersistenceState.MODIFIED, peerModified2.getPersistenceState());
            assertEquals("M2", peerModified.getArtistName());
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    public void testLocalObjectRelationship() throws Exception {
        deleteTestData();

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

        Artist _new = context.newObject(Artist.class);
        Painting _newP = context.newObject(Painting.class);
        _new.addToPaintingArray(_newP);

        blockQueries();

        try {

            Painting painting = (Painting) childContext.localObject(_newP.getObjectId(), _newP);
            assertEquals(PersistenceState.COMMITTED, painting.getPersistenceState());
            assertNotNull(painting.getToArtist());
            assertEquals(PersistenceState.COMMITTED, painting.getToArtist().getPersistenceState());
        }
        finally {
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