Package org.apache.openjpa.kernel

Examples of org.apache.openjpa.kernel.Broker

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        propsMap.put("openjpa.RemoteCommitProvider", "sjvm");
        propsMap.put("openjpa.BrokerImpl", CacheTestBroker.class.getName());
        EntityManagerFactory emf =
            getEmf(propsMap);
        _factory = JPAFacadeHelper.toBrokerFactory(emf);
        Broker broker = _factory.newBroker();
        try {
            broker.begin();
        } catch (Exception e) {
            System.out.println(
                "Exception in TestJPQL2ResultsAndResultClasses setup : \n" +
                    getStackTrace(e));
        }

        int j = 0;
        for (int i = 0; i < 10; i++) {
            // make some common names so that GROUP BY is useful.
            if (i % 2 == 0)
                j++;
            CacheObjectA o;
            broker.persist(o = new CacheObjectAChild1("", "results-" + j, i),
                null);

            o.setDate(new Date());
            o.setDateArray(new Date[]{ new Date(10), new Date(20) });

            if (i < 5)
                o.setRelatedB(new CacheObjectB());
        }

        //Seetha Oct 30,2006
        //deleteAll closes the TX.  So use the local
        //deleteAll fn.
        //deleteAll(CacheObjectWithExternalizedFields.class,());
        //deleteAll(broker,CacheObjectWithExternalizedFields.class,true);

        CacheObjectWithExternalizedFields o =
            new CacheObjectWithExternalizedFields();
        broker.persist(o, null);
        o.setCls(Broker.class);

        broker.commit();
        broker.close();

        CacheTestHelper.cacheManager(_factory).getSystemQueryCache().clear();
    }
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        super.tearDown();
    }

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

    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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        o = res.get(0);
        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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        assertEquals(Long.class, o.getClass());
    }

    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);

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

    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();
        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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        assertEquals(CacheObjectAChild1.class, result[1].getClass());
        assertNotNull(broker.getObjectId(result[1]));
    }

    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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        c = (Collection) q.execute();
        assertNull(c.iterator().next());
    }

    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 XXXtestNullAggregateValues() {
        // ???
    }

    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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        assertEquals(Long.class, ((Object[]) o)[0].getClass());
    }

    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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Related Classes of org.apache.openjpa.kernel.Broker

  • org.apache.openjpa.conf.MetaDataCacheMaintenance
  • org.apache.openjpa.event.RemoteCommitEventManager
  • org.apache.openjpa.jdbc.kernel.exps.ConstPath
  • org.apache.openjpa.jdbc.kernel.exps.PCPath
  • org.apache.openjpa.kernel.exps.CandidatePath
  • org.apache.openjpa.persistence.datacache.CacheTest
  • org.apache.openjpa.persistence.datacache.CacheTestHelper
  • org.apache.openjpa.persistence.datacache.TestJPQL2Queries
  • org.apache.openjpa.persistence.datacache.TestJPQL2ResultsAndResultClasses
  • org.apache.openjpa.persistence.datacache.TestJPQLRelationProjections
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