Package org.apache.cayenne

Examples of org.apache.cayenne.ObjectContext

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                                + "and db:toArtist.artistExhibitArray.toExhibit.CLOSING_DATE = $d"),
                translated);
    }

    public void testTranslateNullArg() {
        ObjectContext context = createDataContext();
        ObjEntity entity = context.getEntityResolver().getObjEntity("Artist");

        Expression exp = ExpressionFactory.noMatchExp("dateOfBirth", null);
        Expression translated = entity.translateToDbPath(exp);

        assertFalse(translated.match(new Artist()));
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            Persistent object,
            ObjRelationship toOneRel,
            String targetEntityName) {

        DbRelationship finalRel = toOneRel.getDbRelationships().get(0);
        ObjectContext context = object.getObjectContext();

        // find committed snapshot - so we can't fetch from the context as it will return
        // dirty snapshot; must go down the stack instead

        // how do we handle this for NEW objects correctly? For now bail from the method
        if (object.getObjectId().isTemporary()) {
            return null;
        }

        ObjectIdQuery query = new ObjectIdQuery(
                object.getObjectId(),
                true,
                ObjectIdQuery.CACHE);
        QueryResponse response = context.getChannel().onQuery(null, query);
        List<?> result = response.firstList();
        if (result == null || result.size() == 0) {
            return null;
        }

        DataRow snapshot = (DataRow) result.get(0);

        ObjectId id = snapshot.createTargetObjectId(targetEntityName, finalRel);
        return (id != null) ? context.localObject(id, null) : null;
    }
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        assertSame(context.getChannel(), deserializedContext.getChannel());
    }

    public void testSerializeNestedChannel() throws Exception {
        DataContext context = createDataContextWithSharedCache(true);
        ObjectContext child = context.createChildContext();

        ObjectContext deserializedContext = Util.cloneViaSerialization(child);

        assertNotNull(deserializedContext.getChannel());
        assertNotNull(deserializedContext.getEntityResolver());
    }
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import org.apache.cayenne.testdo.mt.ClientMtMapToManyTarget;

public class ROPPrefetchToManyMapTest extends RemoteCayenneCase {
    public void test() throws Exception {
        deleteTestData();
        ObjectContext context = createROPContext();
       
        ClientMtMapToMany map = context.newObject(ClientMtMapToMany.class);
        ClientMtMapToManyTarget target = context.newObject(ClientMtMapToManyTarget.class);
        target.setMapToMany(map);
        context.commitChanges();
       
        context.performQuery(new RefreshQuery());
       
        SelectQuery query = new SelectQuery(ClientMtMapToMany.class);
        query.addPrefetch("targets");
       
        map = (ClientMtMapToMany) Cayenne.objectForQuery(context, query);
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public class NestedObjectContextPeerEventsTest extends RemoteCayenneCase {

    public void testPeerObjectUpdatedTempOID() throws Exception {
        deleteTestData();
       
        ObjectContext peer1 = context.createChildContext();
        ClientMtTable1 a1 = peer1.newObject(ClientMtTable1.class);
        a1.setGlobalAttribute1("Y");
        ObjectId a1TempId = a1.getObjectId();

        ObjectContext peer2 = context.createChildContext();
        ClientMtTable1 a2 = (ClientMtTable1) peer2.localObject(a1TempId, a1);

        assertEquals(a1TempId, a2.getObjectId());

        peer1.commitChanges();
        assertFalse(a1.getObjectId().isTemporary());
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        ClientMtTable1 a = context.newObject(ClientMtTable1.class);
        a.setGlobalAttribute1("X");
        context.commitChanges();

        ObjectContext peer1 = context.createChildContext();
        ClientMtTable1 a1 = (ClientMtTable1) peer1.localObject(a.getObjectId(), a);

        ObjectContext peer2 = context.createChildContext();
        ClientMtTable1 a2 = (ClientMtTable1) peer2.localObject(a.getObjectId(), a);

        a1.setGlobalAttribute1("Y");
        assertEquals("X", a2.getGlobalAttribute1());
        peer1.commitChangesToParent();
        assertEquals("Y", a2.getGlobalAttribute1());

        assertFalse("Peer data context became dirty on event processing", peer2
                .hasChanges());
    }
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        p.setGlobalAttribute("PPP");
        a.setGlobalAttribute1("X");
        altA.setGlobalAttribute1("Y");
        context.commitChanges();

        ObjectContext peer1 = context.createChildContext();
        ClientMtTable2 p1 = (ClientMtTable2) peer1.localObject(p.getObjectId(), p);
        ClientMtTable1 altA1 = (ClientMtTable1) peer1.localObject(altA.getObjectId(), altA);

        ObjectContext peer2 = context.createChildContext();
        ClientMtTable2 p2 = (ClientMtTable2) peer2.localObject(p.getObjectId(), p);
        ClientMtTable1 altA2 = (ClientMtTable1) peer2.localObject(altA.getObjectId(), altA);
        ClientMtTable1 a2 = (ClientMtTable1) peer2.localObject(a.getObjectId(), a);

        p1.setTable1(altA1);
        assertSame(a2, p2.getTable1());
        peer1.commitChangesToParent();
        assertEquals(altA2, p2.getTable1());

        assertFalse("Peer data context became dirty on event processing", peer2
                .hasChanges());
    }
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        ClientMtTable2 py = context.newObject(ClientMtTable2.class);
        py.setGlobalAttribute("PY");

        context.commitChanges();

        ObjectContext peer1 = context.createChildContext();
        ClientMtTable2 py1 = (ClientMtTable2) peer1.localObject(py.getObjectId(), py);
        ClientMtTable1 a1 = (ClientMtTable1) peer1.localObject(a.getObjectId(), a);

        ObjectContext peer2 = context.createChildContext();
        ClientMtTable2 py2 = (ClientMtTable2) peer2.localObject(py.getObjectId(), py);
        ClientMtTable1 a2 = (ClientMtTable1) peer2.localObject(a.getObjectId(), a);

        a1.addToTable2Array(py1);
        assertEquals(1, a2.getTable2Array().size());
        assertFalse(a2.getTable2Array().contains(py2));
        peer1.commitChangesToParent();
        assertEquals(2, a2.getTable2Array().size());
        assertTrue(a2.getTable2Array().contains(py2));

        assertFalse("Peer data context became dirty on event processing", peer2
                .hasChanges());
    }
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public class NestedObjectContextParentEventsTest extends RemoteCayenneCase {

    public void testParentUpdatedId() throws Exception {
        deleteTestData();
       
        ObjectContext child = context.createChildContext();

        ClientMtTable1 ac = child.newObject(ClientMtTable1.class);
        ac.setGlobalAttribute1("X");
        child.commitChangesToParent();

        ClientMtTable1 ap = (ClientMtTable1) context.getGraphManager().getNode(ac.getObjectId());
        assertNotNull(ap);

        assertTrue(ap.getObjectId().isTemporary());
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        int[] count = result.firstUpdateCount();
        assertNotNull(count);
        assertEquals(1, count.length);
        assertEquals(1, count[0]);

        ObjectContext freshContext = runtime.getContext();

        assertNotNull(Cayenne.objectForPK(freshContext, Painting.class, 33001));
        assertNull(Cayenne.objectForPK(freshContext, Painting.class, 33002));
    }
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