Package org.apache.cayenne.remote

Source Code of org.apache.cayenne.remote.NestedObjectContextPeerEventsTest

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package org.apache.cayenne.remote;

import org.apache.cayenne.ObjectContext;
import org.apache.cayenne.ObjectId;
import org.apache.cayenne.testdo.mt.ClientMtTable1;
import org.apache.cayenne.testdo.mt.ClientMtTable2;

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());
        assertFalse(a2.getObjectId().isTemporary());
        assertEquals(a2.getObjectId(), a1.getObjectId());
    }

    public void testPeerObjectUpdatedSimpleProperty() throws Exception {
        deleteTestData();

        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());
    }

    public void testPeerObjectUpdatedToOneRelationship() throws Exception {
        deleteTestData();

        ClientMtTable1 a = context.newObject(ClientMtTable1.class);
        ClientMtTable1 altA = context.newObject(ClientMtTable1.class);

        ClientMtTable2 p = context.newObject(ClientMtTable2.class);
        p.setTable1(a);
        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());
    }

    public void testPeerObjectUpdatedToManyRelationship() throws Exception {
        deleteTestData();

        ClientMtTable1 a = context.newObject(ClientMtTable1.class);
        a.setGlobalAttribute1("X");

        ClientMtTable2 px = context.newObject(ClientMtTable2.class);
        px.setTable1(a);
        px.setGlobalAttribute("PX");

        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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