Package org.apache.cayenne

Examples of org.apache.cayenne.ObjectContext

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public class NestedDataContextPeerEventsTest extends CayenneCase {

    public void testPeerObjectUpdatedTempOID() {
        DataContext context = createDataContext();

        ObjectContext peer1 = context.createChildContext();
        Artist a1 = peer1.newObject(Artist.class);
        a1.setArtistName("Y");
        ObjectId a1TempId = a1.getObjectId();

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

        assertEquals(a1TempId, a2.getObjectId());

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

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

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

        a1.setArtistName("Y");
        assertEquals("X", a2.getArtistName());
        peer1.commitChangesToParent();
        assertEquals("Y", a2.getArtistName());

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

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

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

        p1.setToArtist(altA1);
        assertSame(a2, p2.getToArtist());
        peer1.commitChangesToParent();
        assertEquals(altA2, p2.getToArtist());

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

        context.commitChanges();

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

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

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

        assertFalse("Peer data context became dirty on event processing", peer2
                .hasChanges());
    }
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        obj.setPkAttribute(new Integer(1000));
        obj.setDescr("aaa-aaa");
        context.commitChanges();

        // must be able to resolve to-many relationship
        ObjectContext context = runtime.getContext();
        List objects = context.performQuery(new SelectQuery(MeaningfulPKTest1.class));
        assertEquals(1, objects.size());
        obj = (MeaningfulPKTest1) objects.get(0);
        assertEquals(0, obj.getMeaningfulPKDepArray().size());
    }
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    @Override
    protected void setUp() throws Exception {
        deleteTestData();

        ObjectContext context = createDataContext();
        Department d1 = context.newObject(Department.class);
        d1.setName("d1");

        Department d2 = context.newObject(Department.class);
        d2.setName("d2");

        Department d3 = context.newObject(Department.class);
        d3.setName("d3");

        context.commitChanges();

        Manager m1 = context.newObject(Manager.class);
        m1.setName("m1");
        m1.setPersonType("EM");

        Manager m2 = context.newObject(Manager.class);
        m2.setName("m2");
        m2.setPersonType("EM");

        Manager m3 = context.newObject(Manager.class);
        m3.setName("m3");
        m3.setPersonType("EM");

        Address a1 = context.newObject(Address.class);
        m1.addToAddresses(a1);

        Address a2 = context.newObject(Address.class);
        m2.addToAddresses(a2);

        Address a3 = context.newObject(Address.class);
        m3.addToAddresses(a3);

        d1.addToEmployees(m1);
        d1.addToEmployees(m2);
        d3.addToEmployees(m3);

        context.commitChanges();

        d1.setToManager(m1);
        d2.setToManager(m2);
        d3.setToManager(m3);

        context.commitChanges();
    }
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    }

    @Override
    protected void tearDown() throws Exception {
        // help in cleaning up relationship cycles...
        ObjectContext context = createDataContext();
        context.performGenericQuery(new SQLTemplate(
                Department.class,
                "update DEPARTMENT set MANAGER_ID = NULL"));
    }
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    public void testCollectionMemberOfId() throws Exception {

        String ejbql = "SELECT DISTINCT m FROM Manager m JOIN m.managedDepartments d"
                + " WHERE m MEMBER d.employees";

        ObjectContext context = createDataContext();

        EJBQLQuery query = new EJBQLQuery(ejbql);
        List<?> objects = context.performQuery(query);
        assertEquals(2, objects.size());

        Set<String> ids = new HashSet<String>();
        Iterator<?> it = objects.iterator();
        while (it.hasNext()) {
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    public void testCollectionNotMemberOfId() throws Exception {

        String ejbql = "SELECT DISTINCT m FROM Manager m JOIN m.managedDepartments d"
                + " WHERE m NOT MEMBER d.employees";

        ObjectContext context = createDataContext();

        EJBQLQuery query = new EJBQLQuery(ejbql);
        List<?> objects = context.performQuery(query);
        assertEquals(1, objects.size());

        Set<String> ids = new HashSet<String>();
        Iterator<?> it = objects.iterator();
        while (it.hasNext()) {
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        // need a better test ... this query returns zero rows by definition
        String ejbql = "SELECT a"
                + " FROM Address a JOIN a.toEmployee m JOIN m.toDepartment d"
                + " WHERE m NOT MEMBER d.employees";

        ObjectContext context = createDataContext();

        EJBQLQuery query = new EJBQLQuery(ejbql);
        List<?> objects = context.performQuery(query);
        assertEquals(0, objects.size());
    }
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