Package org.apache.openjpa.kernel

Examples of org.apache.openjpa.kernel.Broker.newQuery()

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            // build up some queries to test

            // this one should be only on the superclass, since
            // CacheObjectF has a timeout.
            Broker broker = JPAFacadeHelper.toBroker(em);
            org.apache.openjpa.kernel.Query q1 = broker.newQuery(
                JPQLParser.LANG_JPQL, "select a from "
                + CacheObjectE.class.getSimpleName() + " a");
            q1.setCandidateExtent(broker.newExtent(CacheObjectE.class, false));
            iterate((Collection) q1.execute());
            assertInCache(q1, Boolean.TRUE);
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    }

    public void testAggregateResultIsCached() {
        Broker broker = _factory.newBroker();
        Query q =
            broker.newQuery(JPQLParser.LANG_JPQL, "select max(a.age) FROM " +
                CacheObjectAChild1.class.getSimpleName() + " a");

        Object o = q.execute();
        assertEquals(Long.class, o.getClass());
        CacheTestHelper.assertInCache(this, q, Boolean.TRUE);
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    }

    public void testAggregateNonUniqueResultIsCached() {
        Broker broker = _factory.newBroker();
        Query q =
            broker.newQuery(JPQLParser.LANG_JPQL, "select max(a.age) FROM " +
                CacheObjectAChild1.class.getSimpleName() + " a");
        q.setUnique(false);
        List res = (List) q.execute();
        assertEquals(1, res.size());
        Object o = res.get(0);
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        assertEquals(Long.class, o.getClass());
    }

    public void testProjectionResultIsCached() {
        Broker broker = _factory.newBroker();
        Query q = broker.newQuery(JPQLParser.LANG_JPQL, "select a.age FROM " +
            CacheObjectAChild1.class.getSimpleName() + " a");
        Collection c = (Collection) q.execute();
        CacheTestHelper.iterate(c);
        CacheTestHelper.assertInCache(this, q, Boolean.TRUE);
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    }

    public void testProjectionOfThisIsCached() {
        // ##### need to test single projection
        Broker broker = _factory.newBroker();
        Query q = broker.newQuery(JPQLParser.LANG_JPQL, "select a FROM " +
            CacheObjectAChild1.class.getSimpleName() + " a");
        //CacheObjectAChild1.class, "select this");
        Collection c = (Collection) q.execute();
        CacheTestHelper.iterate(c);
        CacheTestHelper.assertInCache(this, q, Boolean.TRUE);
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    }

    public void testProjectionResultWithThisIsCached() {
        Broker broker = _factory.newBroker();
        Query q =
            broker.newQuery(JPQLParser.LANG_JPQL, "select a.name,a FROM " +
                CacheObjectAChild1.class.getSimpleName() + " a");
        Collection c = (Collection) q.execute();
        CacheTestHelper.iterate(c);
        CacheTestHelper.assertInCache(this, q, Boolean.TRUE);
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    }

    public void testNullProjectionValues() {
        Broker broker = _factory.newBroker();
        Query q =
            broker.newQuery(JPQLParser.LANG_JPQL, "select a.locale FROM " +
                CacheObjectAChild1.class.getSimpleName() + " a");
        Collection c = (Collection) q.execute();
        CacheTestHelper.iterate(c);
        CacheTestHelper.assertInCache(this, q, Boolean.TRUE);
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    }

    public void testNullAndNotNullProjectionValues() {
        Broker broker = _factory.newBroker();
        Query q =
            broker
                .newQuery(JPQLParser.LANG_JPQL, "select a.name,a.locale FROM " +
                    CacheObjectAChild1.class.getSimpleName() + " a");

        Collection c = (Collection) q.execute();
        CacheTestHelper.iterate(c);
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    }

    public void testMultipleAggregateResultIsCached() {
        Broker broker = _factory.newBroker();
        Query q =
            broker.newQuery(JPQLParser.LANG_JPQL,
                "select max(a.age), avg(a.age), count(a.age) FROM " +
                    CacheObjectAChild1.class.getSimpleName() + " a");

        Object o = q.execute();
        assertEquals(Object[].class, o.getClass());
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    public void testFieldUsedTwice() {
        // Postgres bug
        Broker broker = _factory.newBroker();
        // group avoids postgres bug
        Query q = broker
            .newQuery(JPQLParser.LANG_JPQL, "select a.age, avg(a.age) FROM " +
                CacheObjectAChild1.class.getSimpleName() +
                " a  group by a.age");
        Collection c = (Collection) q.execute();
        CacheTestHelper.iterate(c);
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