Examples with DataObject org.apache.cayenne.DataObject used on opensource projects

Example 6 with DataObject

use of org.apache.cayenne.DataObject in project cayenne by apache.

the class SimpleIdIncrementalFaultListIT method testListIterator.

@Test
public void testListIterator() throws Exception {
    SimpleIdIncrementalFaultList<?> list = prepareList(6);
    ListIterator<?> it = list.listIterator();
    int counter = 0;
    while (it.hasNext()) {
        Object obj = it.next();
        assertNotNull(obj);
        assertTrue(obj instanceof DataObject);
        // iterator must be resolved page by page
        int expectedResolved = list.pageIndex(counter) * list.getPageSize() + list.getPageSize();
        if (expectedResolved > list.size()) {
            expectedResolved = list.size();
        }
        assertEquals(list.size() - expectedResolved, list.getUnfetchedObjects());
        counter++;
    }
}

Example 7 with DataObject

use of org.apache.cayenne.DataObject in project cayenne by apache.

the class JointPrefetchIT method testJointPrefetchMultiStep.

@Test
public void testJointPrefetchMultiStep() throws Exception {
    createJointPrefetchDataSet();
    // query with to-many joint prefetches
    SelectQuery<Artist> q = new SelectQuery<>(Artist.class);
    q.addPrefetch(Artist.PAINTING_ARRAY.dot(Painting.TO_GALLERY).joint());
    final DataContext context = this.context;
    // make sure phantomly prefetched objects are not deallocated
    context.getObjectStore().objectMap = new HashMap<>();
    // sanity check...
    DataObject g1 = (DataObject) context.getGraphManager().getNode(new ObjectId("Gallery", Gallery.GALLERY_ID_PK_COLUMN, 33001));
    assertNull(g1);
    final List<Artist> objects = q.select(context);
    queryInterceptor.runWithQueriesBlocked(() -> {
        assertEquals(3, objects.size());
        for (Artist a : objects) {
            ValueHolder list = (ValueHolder) a.getPaintingArray();
            assertNotNull(list);
            // intermediate relationship is not fetched...
            assertTrue(list.isFault());
        }
        // however both galleries must be in memory...
        DataObject g11 = (DataObject) context.getGraphManager().getNode(new ObjectId("Gallery", Gallery.GALLERY_ID_PK_COLUMN, 33001));
        assertNotNull(g11);
        assertEquals(PersistenceState.COMMITTED, g11.getPersistenceState());
        DataObject g2 = (DataObject) context.getGraphManager().getNode(new ObjectId("Gallery", Gallery.GALLERY_ID_PK_COLUMN, 33002));
        assertNotNull(g2);
        assertEquals(PersistenceState.COMMITTED, g2.getPersistenceState());
    });
}

Example 8 with DataObject

use of org.apache.cayenne.DataObject in project cayenne by apache.

the class JointPrefetchIT method testJointPrefetchSQLSelectNestedJoint.

@Test
public void testJointPrefetchSQLSelectNestedJoint() throws Exception {
    createJointPrefetchDataSet();
    SQLSelect.query(Artist.class, "SELECT " + "#result('GALLERY_ID' 'int' '' 'paintingArray.toGallery.GALLERY_ID')," + "#result('GALLERY_NAME' 'String' '' 'paintingArray.toGallery.GALLERY_NAME')," + "#result('t0.ARTIST_ID' 'int' '' 'ARTIST_ID') " + "FROM ARTIST t0, GALLERY t2 ").addPrefetch(Artist.PAINTING_ARRAY.dot(Painting.TO_GALLERY).joint()).select(context);
    queryInterceptor.runWithQueriesBlocked(() -> {
        DataObject g1 = (DataObject) context.getGraphManager().getNode(new ObjectId("Gallery", Gallery.GALLERY_ID_PK_COLUMN, 33001));
        assertNotNull(g1);
        assertEquals("G1", g1.readProperty("galleryName"));
    });
}

Example 9 with DataObject

use of org.apache.cayenne.DataObject in project cayenne by apache.

the class NestedDataContextReadIT method testSelect.

@Test
public void testSelect() throws Exception {
    createArtistsDataSet();
    ObjectContext child = runtime.newContext(context);
    // test how different object states appear in the child on select
    Persistent _new = context.newObject(Artist.class);
    Persistent hollow = Cayenne.objectForPK(context, Artist.class, 33001);
    context.invalidateObjects(hollow);
    DataObject committed = Cayenne.objectForPK(context, Artist.class, 33002);
    Artist modified = Cayenne.objectForPK(context, Artist.class, 33003);
    modified.setArtistName("MODDED");
    DataObject deleted = Cayenne.objectForPK(context, Artist.class, 33004);
    context.deleteObjects(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());
    List<Artist> objects = new SelectQuery<>(Artist.class).select(child);
    assertEquals("All but NEW object must have been included", 4, objects.size());
    for (Artist next : objects) {
        assertEquals(PersistenceState.COMMITTED, next.getPersistenceState());
        int id = Cayenne.intPKForObject(next);
        if (id == 33003) {
            assertEquals("MODDED", next.getArtistName());
        }
    }
}

Example 10 with DataObject

use of org.apache.cayenne.DataObject in project cayenne by apache.

the class DataContextQueryCachingIT method testLocalCacheDataObjectsRefresh.

@Test
public void testLocalCacheDataObjectsRefresh() throws Exception {
    SelectQuery<Artist> select = new SelectQuery<>(Artist.class);
    select.setCacheStrategy(QueryCacheStrategy.LOCAL_CACHE);
    MockDataNode engine = MockDataNode.interceptNode(domain, getNode());
    try {
        // first run, no cache yet
        List<?> rows1 = mockupDataRows(2);
        engine.reset();
        engine.addExpectedResult(select, rows1);
        List<?> resultRows = context.performQuery(select);
        assertEquals(1, engine.getRunCount());
        assertEquals(2, resultRows.size());
        assertTrue(resultRows.get(0) instanceof DataObject);
        QueryMetadata cacheKey = select.getMetaData(context.getEntityResolver());
        assertNull(context.getParentDataDomain().getQueryCache().get(cacheKey));
        assertEquals(resultRows, context.getQueryCache().get(cacheKey));
        // second run, must refresh the cache
        List<?> rows2 = mockupDataRows(4);
        engine.reset();
        engine.addExpectedResult(select, rows2);
        select.setCacheStrategy(QueryCacheStrategy.LOCAL_CACHE_REFRESH);
        List<?> freshResultRows = context.performQuery(select);
        assertEquals(1, engine.getRunCount());
        assertEquals(4, freshResultRows.size());
        assertTrue(resultRows.get(0) instanceof DataObject);
        assertNull(context.getParentDataDomain().getQueryCache().get(cacheKey));
        assertEquals(freshResultRows, context.getQueryCache().get(cacheKey));
    } finally {
        engine.stopInterceptNode();
    }
}