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

Example 11 with ValueHolder

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

the class DataContextDisjointByIdPrefetchIT method testOneToMany.

@Test
public void testOneToMany() throws Exception {
    createArtistWithTwoPaintingsDataSet();
    SelectQuery query = new SelectQuery(Artist.class);
    query.addPrefetch(Artist.PAINTING_ARRAY.disjointById());
    final List<Artist> result = context.performQuery(query);
    queryInterceptor.runWithQueriesBlocked(new UnitTestClosure() {

        public void execute() {
            assertFalse(result.isEmpty());
            Artist b1 = result.get(0);
            List<Painting> toMany = (List<Painting>) b1.readPropertyDirectly(Artist.PAINTING_ARRAY.getName());
            assertNotNull(toMany);
            assertFalse(((ValueHolder) toMany).isFault());
            assertEquals(2, toMany.size());
            List<String> names = new ArrayList<String>();
            for (Painting b : toMany) {
                assertEquals(PersistenceState.COMMITTED, b.getPersistenceState());
                names.add(b.getPaintingTitle());
            }
            assertTrue(names.contains("Y1"));
            assertTrue(names.contains("Y2"));
        }
    });
}

Example 12 with ValueHolder

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

the class DataContextDisjointByIdPrefetch_ExtrasIT method testJointPrefetchInChild.

@Test
public void testJointPrefetchInChild() throws Exception {
    createBagWithTwoBoxesAndPlentyOfBallsDataSet();
    SelectQuery<Bag> query = new SelectQuery<Bag>(Bag.class);
    query.addPrefetch(Bag.BOXES.disjointById());
    query.addPrefetch(Bag.BOXES.dot(Box.BALLS).joint());
    final List<Bag> result = context.select(query);
    queryInterceptor.runWithQueriesBlocked(new UnitTestClosure() {

        @Override
        public void execute() {
            assertFalse(result.isEmpty());
            Bag bag = result.get(0);
            List<Box> boxes = (List<Box>) bag.readPropertyDirectly(Bag.BOXES.getName());
            assertNotNull(boxes);
            assertFalse(((ValueHolder) boxes).isFault());
            assertEquals(2, boxes.size());
            Box big = null;
            List<String> names = new ArrayList<String>();
            for (Box box : boxes) {
                assertEquals(PersistenceState.COMMITTED, box.getPersistenceState());
                names.add(box.getName());
                if (box.getName().equals("big")) {
                    big = box;
                }
            }
            assertTrue(names.contains("big"));
            assertTrue(names.contains("small"));
            List<Ball> balls = (List<Ball>) big.readPropertyDirectly(Box.BALLS.getName());
            assertNotNull(balls);
            assertFalse(((ValueHolder) balls).isFault());
            assertEquals(2, balls.size());
            List<Integer> volumes = new ArrayList<Integer>();
            for (Ball ball : balls) {
                assertEquals(PersistenceState.COMMITTED, ball.getPersistenceState());
                volumes.add(ball.getThingVolume());
            }
            assertTrue(volumes.containsAll(Arrays.asList(10, 20)));
        }
    });
}

Example 13 with ValueHolder

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

the class DataContextDisjointByIdPrefetch_ExtrasIT method testJointPrefetchInParent.

@Test
public void testJointPrefetchInParent() throws Exception {
    createBagWithTwoBoxesAndPlentyOfBallsDataSet();
    SelectQuery query = new SelectQuery(Box.class);
    query.addPrefetch(Box.BALLS.disjointById());
    query.addPrefetch(Box.BALLS.dot(Ball.THING).disjointById());
    final List<Box> result = context.performQuery(query);
    queryInterceptor.runWithQueriesBlocked(new UnitTestClosure() {

        public void execute() {
            assertFalse(result.isEmpty());
            List<Integer> volumes = new ArrayList<Integer>();
            for (Box box : result) {
                List<Ball> balls = (List<Ball>) box.readPropertyDirectly(Box.BALLS.getName());
                assertNotNull(balls);
                assertFalse(((ValueHolder) balls).isFault());
                for (Ball ball : balls) {
                    Thing thing = (Thing) ball.readPropertyDirectly(Ball.THING.getName());
                    assertNotNull(thing);
                    assertEquals(PersistenceState.COMMITTED, thing.getPersistenceState());
                    volumes.add(thing.getVolume());
                }
            }
            assertEquals(6, volumes.size());
            assertTrue(volumes.containsAll(Arrays.asList(10, 20, 30, 40)));
        }
    });
}

Example 14 with ValueHolder

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

the class DataContextEJBQLFetchJoinIT method testSeveralEntitiesAndScalarFetchInnerJoins.

@Test
public void testSeveralEntitiesAndScalarFetchInnerJoins() throws Exception {
    createMultipleFetchJoinsDataSet();
    String ejbql = "SELECT DISTINCT a, a.artistName , g " + "FROM Artist a JOIN FETCH a.paintingArray, Gallery g JOIN FETCH g.exhibitArray " + "ORDER BY a.artistName";
    EJBQLQuery query = new EJBQLQuery(ejbql);
    final List<?> objects = context.performQuery(query);
    queryBlocker.runWithQueriesBlocked(new UnitTestClosure() {

        public void execute() {
            assertEquals(2, objects.size());
            Object[] firstRow = (Object[]) objects.get(0);
            Artist a = (Artist) firstRow[0];
            assertEquals("A1", a.getArtistName());
            List<Painting> paintings = a.getPaintingArray();
            assertNotNull(paintings);
            assertFalse(((ValueHolder) paintings).isFault());
            assertEquals(2, paintings.size());
            List<String> expectedPaintingsNames = new ArrayList<String>();
            expectedPaintingsNames.add("P11");
            expectedPaintingsNames.add("P12");
            Iterator<Painting> paintingsIterator = paintings.iterator();
            while (paintingsIterator.hasNext()) {
                Painting p = paintingsIterator.next();
                assertEquals(PersistenceState.COMMITTED, p.getPersistenceState());
                assertNotNull(p.getPaintingTitle());
                assertTrue(expectedPaintingsNames.contains(p.getPaintingTitle()));
            }
            String artistName = (String) firstRow[1];
            assertEquals("A1", artistName);
            Gallery g1 = (Gallery) firstRow[2];
            assertEquals("gallery1", g1.getGalleryName());
            List<Exhibit> exibits = g1.getExhibitArray();
            assertNotNull(exibits);
            assertFalse(((ValueHolder) exibits).isFault());
            assertEquals(2, exibits.size());
            Object[] secondRow = (Object[]) objects.get(1);
            a = (Artist) secondRow[0];
            assertEquals("A2", a.getArtistName());
            paintings = a.getPaintingArray();
            assertNotNull(paintings);
            assertFalse(((ValueHolder) paintings).isFault());
            assertEquals(1, paintings.size());
            expectedPaintingsNames = new ArrayList<String>();
            expectedPaintingsNames.add("P2");
            paintingsIterator = paintings.iterator();
            while (paintingsIterator.hasNext()) {
                Painting p = paintingsIterator.next();
                assertEquals(PersistenceState.COMMITTED, p.getPersistenceState());
                assertNotNull(p.getPaintingTitle());
                assertTrue(expectedPaintingsNames.contains(p.getPaintingTitle()));
            }
            artistName = (String) secondRow[1];
            assertEquals("A2", artistName);
            Gallery g2 = (Gallery) secondRow[2];
            assertEquals(g1, g2);
        }
    });
}

Example 15 with ValueHolder

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

the class DataContextEJBQLFetchJoinIT method testFetchJoinForOneEntity.

@Test
public void testFetchJoinForOneEntity() throws Exception {
    createOneFetchJoinDataSet();
    String ejbql = "SELECT a FROM Artist a JOIN FETCH a.paintingArray ";
    EJBQLQuery query = new EJBQLQuery(ejbql);
    final List<?> objects = context.performQuery(query);
    queryBlocker.runWithQueriesBlocked(new UnitTestClosure() {

        public void execute() {
            assertEquals(2, objects.size());
            Iterator<?> it = objects.iterator();
            while (it.hasNext()) {
                Artist a = (Artist) it.next();
                List<Painting> list = a.getPaintingArray();
                assertNotNull(list);
                assertFalse(((ValueHolder) list).isFault());
                for (Painting p : list) {
                    assertEquals(PersistenceState.COMMITTED, p.getPersistenceState());
                    // make sure properties are not null..
                    assertNotNull(p.getPaintingTitle());
                }
            }
        }
    });
}