Examples with ObjRelationship org.apache.cayenne.map.ObjRelationship used on opensource projects

Example 26 with ObjRelationship

use of org.apache.cayenne.map.ObjRelationship in project cayenne by apache.

the class DeleteRulesIT method testNullifyFlattenedNoReverse.

@Test
public void testNullifyFlattenedNoReverse() {
    // temporarily set delete rule to NULLIFY...
    int oldRule = changeDeleteRule(DeleteRule.NULLIFY);
    ObjRelationship reverse = unsetReverse();
    try {
        DeleteRuleFlatA a = context.newObject(DeleteRuleFlatA.class);
        DeleteRuleFlatB b = context.newObject(DeleteRuleFlatB.class);
        a.addToFlatB(b);
        context.commitChanges();
        // must go on without exceptions...
        context.deleteObjects(a);
        // assert that join is deleted
        assertJoinDeleted(a, b);
        assertEquals(PersistenceState.DELETED, a.getPersistenceState());
        assertEquals(PersistenceState.COMMITTED, b.getPersistenceState());
        context.commitChanges();
    } finally {
        changeDeleteRule(oldRule);
        restoreReverse(reverse);
    }
}

Example 27 with ObjRelationship

use of org.apache.cayenne.map.ObjRelationship in project cayenne by apache.

the class DeleteRulesIT method testDenyFlattenedNoReverse.

@Test
public void testDenyFlattenedNoReverse() {
    // temporarily set delete rule to DENY...
    int oldRule = changeDeleteRule(DeleteRule.DENY);
    ObjRelationship reverse = unsetReverse();
    try {
        DeleteRuleFlatA a = context.newObject(DeleteRuleFlatA.class);
        DeleteRuleFlatB b = context.newObject(DeleteRuleFlatB.class);
        a.addToFlatB(b);
        context.commitChanges();
        try {
            context.deleteObjects(a);
            fail("Must have thrown a deny exception..");
        } catch (DeleteDenyException ex) {
            // expected... but check further
            assertJoinNotDeleted(a, b);
        }
    } finally {
        changeDeleteRule(oldRule);
        restoreReverse(reverse);
    }
}

Example 28 with ObjRelationship

use of org.apache.cayenne.map.ObjRelationship in project cayenne by apache.

the class FlattenedArcKeyIT method testHashCode.

@Test
public void testHashCode() {
    ObjectId src = new ObjectId("X");
    ObjectId target = new ObjectId("Y");
    ObjRelationship r1 = entityResolver.getObjEntity(FlattenedTest3.class).getRelationship(FlattenedTest3.TO_FT1.getName());
    FlattenedArcKey update = new FlattenedArcKey(src, target, r1);
    FlattenedArcKey update1 = new FlattenedArcKey(target, src, r1.getReverseRelationship());
    ObjRelationship r3 = entityResolver.getObjEntity(FlattenedTest1.class).getRelationship(FlattenedTest1.FT3OVER_COMPLEX.getName());
    FlattenedArcKey update2 = new FlattenedArcKey(target, src, r3);
    int h = update.hashCode();
    int h1 = update1.hashCode();
    int h2 = update2.hashCode();
    assertTrue(h == h1);
    assertTrue(h == update.hashCode());
    assertFalse(h == h2);
}

Example 29 with ObjRelationship

use of org.apache.cayenne.map.ObjRelationship in project cayenne by apache.

the class NestedDataContextWriteIT method testCommitChangesToParentFlattened.

@Test
public void testCommitChangesToParentFlattened() throws Exception {
    final DataContext context = createDataContext();
    final ObjectContext childContext = runtime.newContext(context);
    final Artist childO1 = childContext.newObject(Artist.class);
    childO1.setArtistName("Master");
    final ArtGroup childO2 = childContext.newObject(ArtGroup.class);
    childO2.setName("Detail1");
    childO2.addToArtistArray(childO1);
    ObjEntity ent = childContext.getEntityResolver().getObjEntity("ArtGroup");
    Collection<ObjRelationship> rels = ent.getDeclaredRelationships();
    for (ObjRelationship rel : rels) {
        System.out.println(rel.getName());
    }
    assertEquals(1, childO1.getGroupArray().size());
    assertEquals(1, childO2.getArtistArray().size());
    queryInterceptor.runWithQueriesBlocked(new UnitTestClosure() {

        public void execute() {
            childContext.commitChangesToParent();
            assertEquals(PersistenceState.COMMITTED, childO1.getPersistenceState());
            assertEquals(PersistenceState.COMMITTED, childO2.getPersistenceState());
            Artist parentO1 = (Artist) context.getGraphManager().getNode(childO1.getObjectId());
            assertNotNull(parentO1);
            assertEquals(PersistenceState.NEW, parentO1.getPersistenceState());
            ArtGroup parentO2 = (ArtGroup) context.getGraphManager().getNode(childO2.getObjectId());
            assertNotNull(parentO2);
            assertEquals(PersistenceState.NEW, parentO2.getPersistenceState());
            assertEquals(1, parentO1.getGroupArray().size());
            assertEquals(1, parentO2.getArtistArray().size());
            assertTrue(parentO2.getArtistArray().contains(parentO1));
            assertTrue(parentO1.getGroupArray().contains(parentO2));
        }
    });
}

Example 30 with ObjRelationship

use of org.apache.cayenne.map.ObjRelationship in project cayenne by apache.

the class DeleteObjectIT method testDeleteObjectsRelationshipCollection.

@Test
public void testDeleteObjectsRelationshipCollection() throws Exception {
    createObjectsRelationshipCollectionDataSet();
    Artist artist = Cayenne.objectForPK(context, Artist.class, 1);
    List<Painting> paintings = artist.getPaintingArray();
    assertEquals(3, paintings.size());
    // create a clone to be able to inspect paintings after deletion
    List<Painting> paintingsClone = new ArrayList<Painting>(paintings);
    for (Painting object : paintingsClone) {
        assertEquals(PersistenceState.COMMITTED, object.getPersistenceState());
    }
    context.deleteObjects(paintings);
    // as Painting -> Artist has Nullify rule, relationship list has to be
    // cleaned up,
    // and no exceptions thrown on concurrent modification...
    ObjRelationship r = context.getEntityResolver().getObjEntity(Painting.class).getRelationship("toArtist");
    assertEquals(DeleteRule.NULLIFY, r.getDeleteRule());
    assertEquals(0, paintings.size());
    for (Painting object : paintingsClone) {
        assertEquals(PersistenceState.DELETED, object.getPersistenceState());
    }
}