Examples with RefreshQuery org.apache.cayenne.query.RefreshQuery used on opensource projects

Example 21 with RefreshQuery

use of org.apache.cayenne.query.RefreshQuery in project cayenne by apache.

the class CDOCollectionRelationshipIT method testAddToManyViaReverse.

@Test
public void testAddToManyViaReverse() throws Exception {
    CollectionToMany o1 = Cayenne.objectForPK(context, CollectionToMany.class, 1);
    Collection<?> targets = o1.getTargets();
    assertNotNull(targets);
    assertEquals(3, targets.size());
    CollectionToManyTarget newTarget = o1.getObjectContext().newObject(CollectionToManyTarget.class);
    newTarget.setCollectionToMany(o1);
    assertEquals(4, targets.size());
    assertTrue(o1.getTargets().contains(newTarget));
    assertSame(o1, newTarget.getCollectionToMany());
    o1.getObjectContext().commitChanges();
    o1.getObjectContext().performGenericQuery(new RefreshQuery());
    assertEquals(4, o1.getTargets().size());
}

Example 22 with RefreshQuery

use of org.apache.cayenne.query.RefreshQuery in project cayenne by apache.

the class CDOCollectionRelationshipIT method testRemoveToMany.

@Test
public void testRemoveToMany() throws Exception {
    CollectionToMany o1 = Cayenne.objectForPK(context, CollectionToMany.class, 1);
    Collection<?> targets = o1.getTargets();
    assertEquals(3, targets.size());
    CollectionToManyTarget target = Cayenne.objectForPK(o1.getObjectContext(), CollectionToManyTarget.class, 2);
    o1.removeFromTargets(target);
    assertEquals(2, targets.size());
    assertFalse(o1.getTargets().contains(target));
    assertNull(target.getCollectionToMany());
    o1.getObjectContext().commitChanges();
    o1.getObjectContext().performGenericQuery(new RefreshQuery());
    assertEquals(2, o1.getTargets().size());
    assertFalse(o1.getTargets().contains(target));
}

Example 23 with RefreshQuery

use of org.apache.cayenne.query.RefreshQuery in project cayenne by apache.

the class DataContextQueryAction method interceptRefreshQuery.

@Override
protected boolean interceptRefreshQuery() {
    if (query instanceof RefreshQuery) {
        RefreshQuery refreshQuery = (RefreshQuery) query;
        DataContext context = (DataContext) actingContext;
        // 1. refresh all
        if (refreshQuery.isRefreshAll()) {
            synchronized (context.getObjectStore()) {
                invalidateLocally(context.getObjectStore(), context.getObjectStore().getObjectIterator());
                context.getQueryCache().clear();
            }
            // cascade
            return !DONE;
        }
        // 2. invalidate object collection
        Collection objects = refreshQuery.getObjects();
        if (objects != null && !objects.isEmpty()) {
            synchronized (context.getObjectStore()) {
                invalidateLocally(context.getObjectStore(), objects.iterator());
            }
            // cascade
            return !DONE;
        }
        // 3. refresh query - have to do it eagerly to refresh the objects involved
        Query cachedQuery = refreshQuery.getQuery();
        if (cachedQuery != null) {
            String cacheKey = cachedQuery.getMetaData(context.getEntityResolver()).getCacheKey();
            context.getQueryCache().remove(cacheKey);
            this.response = context.performGenericQuery(cachedQuery);
            // do not cascade to avoid running query twice
            return DONE;
        }
        // 4. refresh groups...
        String[] groups = refreshQuery.getGroupKeys();
        if (groups != null && groups.length > 0) {
            for (String group : groups) {
                context.getQueryCache().removeGroup(group);
            }
            // cascade group invalidation
            return !DONE;
        }
        // shouldn't ever happen
        return DONE;
    }
    return !DONE;
}

Example 24 with RefreshQuery

use of org.apache.cayenne.query.RefreshQuery in project cayenne by apache.

the class ROPPrefetchToManyMapIT method test.

@Test
public void test() throws Exception {
    ObjectContext context = createROPContext();
    ClientIdMapToMany map = context.newObject(ClientIdMapToMany.class);
    ClientIdMapToManyTarget target = context.newObject(ClientIdMapToManyTarget.class);
    target.setMapToMany(map);
    context.commitChanges();
    context.performQuery(new RefreshQuery());
    SelectQuery<ClientIdMapToMany> query = new SelectQuery<ClientIdMapToMany>(ClientIdMapToMany.class);
    query.addPrefetch("targets");
    final ClientIdMapToMany mapToMany = (ClientIdMapToMany) Cayenne.objectForQuery(context, query);
    queryInterceptor.runWithQueriesBlocked(new UnitTestClosure() {

        public void execute() {
            assertEquals(mapToMany.getTargets().size(), 1);
        }
    });
}