Package org.apache.cayenne

Examples of org.apache.cayenne.ObjectContext

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  public static ObjectContext getContext() {
    if(contexts == null)
      return null;

    ObjectContext oc = contexts.get();
    if(oc == null) {
      oc = DataContext.createDataContext();
      contexts.set(oc);
    }
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        params.put("date2", now);
        createTestData("testMatchAll", params);

        // select all galleries that have exhibits by both Picasso and Dali...

        ObjectContext context = createDataContext();

        Artist picasso = Cayenne.objectForPK(context, Artist.class, 1);
        Artist dali = Cayenne.objectForPK(context, Artist.class, 2);

        SelectQuery query = new SelectQuery(Gallery.class);
        query.andQualifier(ExpressionFactory.matchAllExp(
                "|exhibitArray.artistExhibitArray.toArtist",
                picasso,
                dali));

        List<Gallery> galleries = context.performQuery(query);

        assertEquals(1, galleries.size());
        assertEquals("G1", galleries.get(0).getGalleryName());
    }
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import org.apache.cayenne.unit.CayenneCase;

public class PrimitiveAttributesTest extends CayenneCase {

    public void testCommit() {
        ObjectContext context = createDataContext();

        PrimitivesTestEntity e = context
                .newObject(PrimitivesTestEntity.class);
        e.setBooleanColumn(true);
        e.setIntColumn(88);
        context.commitChanges();
    }
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        context.commitChanges();

        DataContext parentPeer = createDataContextWithSharedCache(false);
        Artist a1 = (Artist) parentPeer.localObject(a.getObjectId(), a);

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

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

        new ThreadedTestHelper() {

            @Override
            protected void assertResult() throws Exception {
                assertEquals("Y", a2.getArtistName());

                assertFalse("Peer data context became dirty on event processing", peer2
                        .hasChanges());
            }
        }.assertWithTimeout(2000);
    }
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        DataContext parentPeer = createDataContextWithSharedCache(false);
        Painting p1 = (Painting) parentPeer.localObject(p.getObjectId(), p);
        Artist altA1 = (Artist) parentPeer.localObject(altA.getObjectId(), altA);

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

        p1.setToArtist(altA1);
        assertSame(a2, p2.getToArtist());
        assertNotSame(altA2, p2.getToArtist());
        parentPeer.commitChangesToParent();

        new ThreadedTestHelper() {

            @Override
            protected void assertResult() throws Exception {
                assertSame(altA2, p2.getToArtist());
                assertFalse("Peer data context became dirty on event processing", peer2
                        .hasChanges());
            }
        }.assertWithTimeout(2000);
    }
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        DataContext parentPeer = createDataContextWithSharedCache(false);
        Painting py1 = (Painting) parentPeer.localObject(py.getObjectId(), py);
        Artist a1 = (Artist) parentPeer.localObject(a.getObjectId(), a);

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

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

        new ThreadedTestHelper() {

            @Override
            protected void assertResult() throws Exception {
                assertEquals(2, a2.getPaintingArray().size());
                assertTrue(a2.getPaintingArray().contains(py2));

                assertFalse("Peer data context became dirty on event processing", peer2
                        .hasChanges());
            }
        }.assertWithTimeout(2000);
    }
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        createTestData("testSelect");

        SelectQuery query = new SelectQuery(EmbedEntity1.class);
        query.addOrdering(EmbedEntity1.NAME_PROPERTY, SortOrder.ASCENDING);

        ObjectContext context = createDataContext();

        List results = context.performQuery(query);
        assertEquals(2, results.size());

        EmbedEntity1 o1 = (EmbedEntity1) results.get(0);

        assertEquals("n1", o1.getName());
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    }

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

        ObjectContext context = createDataContext();
        EmbedEntity1 o1 = context.newObject(EmbedEntity1.class);
        o1.setName("NAME");

        Embeddable1 e1 = new Embeddable1();

        // init before the embeddable was set on an owning object
        e1.setEmbedded10("E11");
        e1.setEmbedded20("E12");
        o1.setEmbedded1(e1);

        Embeddable1 e2 = new Embeddable1();
        o1.setEmbedded2(e2);

        // init after it was set on the owning object
        e2.setEmbedded10("E21");
        e2.setEmbedded20("E22");

        context.commitChanges();

        SelectQuery query = new SelectQuery(EmbedEntity1.class);
        query.setFetchingDataRows(true);
        DataRow row = (DataRow) Cayenne.objectForQuery(context, query);
        assertNotNull(row);
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        createTestData("testUpdate");

        SelectQuery query = new SelectQuery(EmbedEntity1.class);
        query.addOrdering(EmbedEntity1.NAME_PROPERTY, SortOrder.ASCENDING);

        ObjectContext context = createDataContext();
        List results = context.performQuery(query);
        EmbedEntity1 o1 = (EmbedEntity1) results.get(0);

        Embeddable1 e11 = o1.getEmbedded1();
        e11.setEmbedded10("x1");

        assertEquals(PersistenceState.MODIFIED, o1.getPersistenceState());

        context.commitChanges();
        SelectQuery query1 = new SelectQuery(EmbedEntity1.class);
        query1.setFetchingDataRows(true);
        DataRow row = (DataRow) Cayenne.objectForQuery(context, query1);
        assertNotNull(row);
        assertEquals("x1", row.get("EMBEDDED10"));
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        createTestData("testUpdate");

        SelectQuery query = new SelectQuery(EmbedEntity1.class);
        query.addOrdering(EmbedEntity1.NAME_PROPERTY, SortOrder.ASCENDING);

        ObjectContext context = createDataContext();
        List results = context.performQuery(query);
        EmbedEntity1 o1 = (EmbedEntity1) results.get(0);

        Embeddable1 e11 = new Embeddable1();
        e11.setEmbedded10("x1");
        e11.setEmbedded20("x2");
        o1.setEmbedded1(e11);

        assertEquals(PersistenceState.MODIFIED, o1.getPersistenceState());

        context.commitChanges();
        SelectQuery query1 = new SelectQuery(EmbedEntity1.class);
        query1.setFetchingDataRows(true);
        DataRow row = (DataRow) Cayenne.objectForQuery(context, query1);
        assertNotNull(row);
        assertEquals("x1", row.get("EMBEDDED10"));
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