Package org.apache.openjpa.kernel

Examples of org.apache.openjpa.kernel.Broker

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        em.close();
    }
   
    public void testOneOneSetsIntermediate() {
        OpenJPAEntityManager em =(OpenJPAEntityManager)currentEntityManager();
        Broker broker = JPAFacadeHelper.toBroker(em);
        try {
            oneOneIntermediateTest(broker);
        } finally {
            broker.close();
            em.close();
        }
    }
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            "openjpa.DataCache", "true",
            "openjpa.RemoteCommitProvider", "sjvm",
        });
       
        // get obj into cache
        Broker broker = factory.newBroker();
        try {
            broker.find(_pc, true, null);
        } finally {
            broker.close();
        }
       
        // test from cache
        broker = factory.newBroker();
        try {
            oneOneIntermediateTest(broker);
        } finally {
            broker.close();
            try {
                factory.close();
            } catch (Exception e) {
            }
        }
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    }
   
    protected Object persist(Object ob) {
        //FIXME  - this is just a workaround
        //  Broker broker = .getBrokerFactory().newBroker();
        Broker broker = JPAFacadeHelper.toBroker(currentEntityManager());
        broker.begin();
        broker.persist(ob, null);
        Object id = broker.getObjectId(ob);
        broker.commit();
        broker.close();
        return id;
    }
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        UnenhancedPropertyAccess o = (UnenhancedPropertyAccess)
            em.createQuery("select o from UnenhancedPropertyAccess o")
                .getSingleResult();
        em.getTransaction().begin();
        try {
            Broker b = JPAFacadeHelper.toBroker(em);
            OpenJPAStateManager sm = b.getStateManager(o);
            assertEquals(PCState.PNONTRANS, sm.getPCState());
            o.setLazyField("foo");
            assertEquals(PCState.PDIRTY, sm.getPCState());
        } finally {
                em.getTransaction().rollback();
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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);

            assertInCache(q, Boolean.FALSE);
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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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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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