Package org.apache.openjpa.kernel

Examples of org.apache.openjpa.kernel.Broker

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            long q1p1;
            long q1p2;
            long q2p1;
            long q2p2;

            Broker broker = JPAFacadeHelper.toBroker(em);
            org.apache.openjpa.kernel.Query q = broker.newQuery(
                JPQLParser.LANG_JPQL, "Select a FROM "
                + CacheObjectA.class.getSimpleName() + " a");
            q.setCandidateExtent(broker.newExtent(CacheObjectA.class, false));
            start = System.currentTimeMillis();
            assertInCache(q, inCache);
            List l = (List) q.execute();
            iterate(l);
            q1p1 = System.currentTimeMillis() - start;

            assertEquals(allSize, l.size());

            start = System.currentTimeMillis();
            List l2 = (List) q.execute();
            iterate(l2);
            q1p2 = System.currentTimeMillis() - start;
            assertEquals(allSize, l2.size());

            q = broker.newQuery(JPQLParser.LANG_JPQL,
                "select a.name,a.age from "
                    + CacheObjectA.class.getSimpleName()
                    + " a where a.name = :n AND a.age = :a");
            q.setCandidateExtent(broker.newExtent(CacheObjectA.class, false));
            start = System.currentTimeMillis();
            assertInCache(q, inCache, new Object[]{ ORIG_NAME,
                new Integer(ORIG_AGE) });
            l = (List) q.execute(new Object[]{ ORIG_NAME,
                new Integer(ORIG_AGE) });
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            endEm(em);
        }
    }

    public void testNonCacheableClass() {
        Broker broker = JPAFacadeHelper.toBrokerFactory(factory).newBroker();
        try {
            org.apache.openjpa.kernel.Query q = broker.newQuery(
                JPQLParser.LANG_JPQL, "Select a FROM "
                + CacheObjectB.class.getSimpleName() + " a");

            Collection c = (Collection) q.execute();
            iterate(c);
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            close(broker);
        }
    }

    public void testNonCacheableAccessPath() {
        Broker broker = JPAFacadeHelper.toBrokerFactory(factory).newBroker();
        try {
            org.apache.openjpa.kernel.Query q = broker.newQuery(
                JPQLParser.LANG_JPQL, "Select a FROM "
                + CacheObjectA.class.getSimpleName()
                + " a where a.relatedB.str = 'foo'");
            // "relatedB.str == 'foo'");
            q.setCandidateExtent(broker.newExtent(CacheObjectA.class, false));

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

         // Query results are no longer dependent on cacheability of an entity.
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            close(broker);
        }
    }

    public void testNonCacheableSubclasses1() {
        Broker broker = JPAFacadeHelper.toBrokerFactory(factory).newBroker();
        try {
            // a query on the CacheObjectA class includes an uncacheable
            // class; it should therefore not be cacheable.
            org.apache.openjpa.kernel.Query q = broker.newQuery(
                JPQLParser.LANG_JPQL, "Select a FROM "
                + CacheObjectA.class.getSimpleName() + " a");

            Collection c = (Collection) q.execute();
            iterate(c);
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            close(broker);
        }
    }

    public void testNonCacheableSubclasses2() {
        Broker broker = JPAFacadeHelper.toBrokerFactory(factory).newBroker();
        try {
            // a query on the CacheObjectA extent configured without
            // subclasses does not include an uncacheable class; it should
            // therefore be cacheable.
            org.apache.openjpa.kernel.Query q = broker.newQuery(
                JPQLParser.LANG_JPQL, "select a from "
                + CacheObjectA.class.getSimpleName() + " a");
            q.setCandidateExtent(broker.newExtent(CacheObjectA.class, false));

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

            assertInCache(q, Boolean.TRUE);
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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);

            org.apache.openjpa.kernel.Query q2 = broker.newQuery(
                JPQLParser.LANG_JPQL, "Select a FROM "
                + CacheObjectF.class.getSimpleName() + " a");
            iterate((Collection) q2.execute());
            assertInCache(q2, Boolean.TRUE);
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            em.persist(f);

            endTx(em);

            // build up some queries to test
            Broker broker = JPAFacadeHelper.toBroker(em);
            org.apache.openjpa.kernel.Query q1 = broker
                .newQuery(JPQLParser.LANG_JPQL, "SELECT a FROM CacheObjectE a");

            q1.setCandidateExtent(broker.newExtent(CacheObjectE.class, false));
            iterate((Collection) q1.execute());
            assertInCache(q1, Boolean.TRUE);

            org.apache.openjpa.kernel.Query q2 = broker
                .newQuery(JPQLParser.LANG_JPQL, "SELECT a FROM CacheObjectF a");
            iterate((Collection) q2.execute());
            assertInCache(q2, Boolean.TRUE);

            // if this run has a default timeout (set to 1 sec in the test
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            assertTrue("Could not get queried objects into cache",
                attempts < 100);

            // build up a query that uses H in its access path...
            em = factory.createEntityManager();
            Broker broker = JPAFacadeHelper.toBroker(em);
            org.apache.openjpa.kernel.Query q = broker.newQuery(
                JPQLParser.LANG_JPQL, "Select a FROM "
                + CacheObjectJ.class.getSimpleName()
                + " a where a.str = 'h'");
            iterate((Collection) q.execute());
            assertInCache(q, Boolean.TRUE);
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        CacheObjectE e = new CacheObjectE("e");
        initEm.persist(e);
        endTx(initEm);
        endEm(initEm);

        Broker broker = JPAFacadeHelper.toBrokerFactory(factory).newBroker();
        org.apache.openjpa.kernel.Query q = broker.newQuery(
            JPQLParser.LANG_JPQL, "Select a FROM "
            + CacheObjectE.class.getSimpleName()
            + " a where a.str = 'e'");
        Collection c = (Collection) q.execute();
        for (Iterator iter = c.iterator(); iter.hasNext();)
            iter.next();

        assertEquals(1, c.size());
        assertInCache(q, Boolean.TRUE);

        ImplHelper.close(c);

        broker.close();
    }
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                    .cast(factory)).getConfiguration()
                    .getMetaDataRepositoryInstance().getMetaData(a.getClass(),
                    null, false);
            FieldMetaData fmd = meta.getField("date");
            d = (Date) data.getData(fmd.getIndex());
            Broker broker = JPAFacadeHelper.toBroker(em1);
            OpenJPAStateManager sm = broker.getStateManager(a);
            assertTrue(sm == ((ProxyDate) a.getDate()).getOwner());
            assertEquals(Date.class, d.getClass());
        }
        finally {
            endEm(em0);
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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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