Package org.apache.openjpa.kernel

Examples of org.apache.openjpa.kernel.Query.execute()

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        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);

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

        o = q.execute();
        assertEquals(Long.class, o.getClass());
    }

    public void testAggregateNonUniqueResultIsCached() {
        Broker broker = _factory.newBroker();
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        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);
        assertEquals(Long.class, o.getClass());
        CacheTestHelper.assertInCache(this, q, Boolean.TRUE);
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        assertEquals(1, res.size());
        Object o = res.get(0);
        assertEquals(Long.class, o.getClass());
        CacheTestHelper.assertInCache(this, q, Boolean.TRUE);

        res = (List) q.execute();
        assertEquals(1, res.size());
        o = res.get(0);
        assertEquals(Long.class, o.getClass());
    }
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    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);

        c = (Collection) q.execute();
        Object o = c.iterator().next();
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            CacheObjectAChild1.class.getSimpleName() + " a");
        Collection c = (Collection) q.execute();
        CacheTestHelper.iterate(c);
        CacheTestHelper.assertInCache(this, q, Boolean.TRUE);

        c = (Collection) q.execute();
        Object o = c.iterator().next();
        assertEquals(Long.class, o.getClass());
    }

    public void testProjectionOfThisIsCached() {
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        // ##### 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);

        c = (Collection) q.execute();
        Object o = c.iterator().next();
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        //CacheObjectAChild1.class, "select this");
        Collection c = (Collection) q.execute();
        CacheTestHelper.iterate(c);
        CacheTestHelper.assertInCache(this, q, Boolean.TRUE);

        c = (Collection) q.execute();
        Object o = c.iterator().next();
        assertEquals(CacheObjectAChild1.class, o.getClass());
        assertNotNull(broker.getObjectId(o));
    }
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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);

        c = (Collection) q.execute();
        Object[] result = (Object[]) c.iterator().next();
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                CacheObjectAChild1.class.getSimpleName() + " a");
        Collection c = (Collection) q.execute();
        CacheTestHelper.iterate(c);
        CacheTestHelper.assertInCache(this, q, Boolean.TRUE);

        c = (Collection) q.execute();
        Object[] result = (Object[]) c.iterator().next();
        assertEquals(2, result.length);
        assertEquals(String.class, result[0].getClass());
        assertEquals(CacheObjectAChild1.class, result[1].getClass());
        assertNotNull(broker.getObjectId(result[1]));
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