Package org.apache.openjpa.kernel

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

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    }

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

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

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

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

    public void testUniqueResultsAreCachedAndConsistent() {
        Broker broker = _factory.newBroker();
        Query q =
            broker.newQuery(JPQLParser.LANG_JPQL, "select a FROM " +
                CacheObjectAChild1.class.getSimpleName() +
                " a  where a.age =1");

        q.setUnique(true);
        CacheObjectAChild1 a = (CacheObjectAChild1) q.execute();
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        assertTrue(a == a2);
    }

    public void testMutableProjectionFieldsAreCopied() {
        Broker broker = _factory.newBroker();
        Query q = broker.newQuery(JPQLParser.LANG_JPQL, "select a.date FROM " +
            CacheObjectAChild1.class.getSimpleName() + " a  where a.age=1");

        q.setUnique(true);
        Date d0 = (Date) q.execute(); // get it in cache
        Date d1 = (Date) q.execute();
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    }

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

        try {
            q.execute();
            fail("Allowed array projection query.");
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    }

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

        try {
            q.execute();
            fail("Allowed array projection query.");
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        }
    }

    public void testExternalizedSingleValueFieldIsNotCached() {
        Broker broker = _factory.newBroker();
        Query q = broker.newQuery(JPQLParser.LANG_JPQL, "select a.cls FROM " +
            CacheObjectWithExternalizedFields.class.getSimpleName() + " a");

        q.setUnique(true);
        Object o = q.execute(); // get it in cache
        // ##### assertEquals (Class.class, o);
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    }

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

        List l = (List) q.execute();
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        // importantly, the identifier of the prepared query is the original
        // JPQL String
        String JPQL = JPQLParser.LANG_JPQL;
        String jpql = _id;
       
        org.apache.openjpa.kernel.Query newQuery = broker.newQuery(JPQL, jpql);
        newQuery.getFetchConfiguration().copy(_query.getFetchConfiguration());
        newQuery.compile();
        _query = new DelegatingQuery(newQuery, _em.getExceptionTranslator());
    }
   
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        // importantly, the identifier of the prepared query is the original
        // JPQL String
        String JPQL = JPQLParser.LANG_JPQL;
        String jpql = _id;
       
        org.apache.openjpa.kernel.Query newQuery = broker.newQuery(JPQL, jpql);
        newQuery.getFetchConfiguration().copy(_query.getFetchConfiguration());
        newQuery.compile();
        _query = new DelegatingQuery(newQuery, _em.getExceptionTranslator());
    }
   
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