Package org.apache.openjpa.persistence

Examples of org.apache.openjpa.persistence.Extent

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        _counter.counts = 0;
    }

    public void testTrips() {
        OpenJPAEntityManager pm = _factory.createEntityManager();
        Extent ext = pm.createExtent(DataStoreTripsPC.class, true);
        for (Iterator itr = ext.iterator(); itr.hasNext();)
            itr.next();
        ext.closeAll();
        pm.close();

        // there might be more than 1 trip if subclasses need to be
        // initialized and so forth, but make sure there isn't more than
        // 1 + # objects trips to the DB
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        initializePagingPCs();

        EntityManager em= currentEntityManager();
        //EntityManager em =currentEntityManager();
        OpenJPAEntityManager kem = OpenJPAPersistence.cast (em);
        Extent extent = kem.createExtent(PagingPC.class, true);

        extent.getFetchPlan().setFetchBatchSize(0);
        extent.getFetchPlan().addFetchGroup("rel");

        // if we only access the rel field, we should only have used 1 select
        List list = extent.list();
        assertEquals(4, list.size());
        assertRel(list, 4);
        assertEquals(sql.toString(), 1, sql.size());
        sql.clear();
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        throws Exception {
        initializePagingPCs();

        EntityManager em =currentEntityManager();
        OpenJPAEntityManager kem = OpenJPAPersistence.cast (em);
        Extent extent = kem.createExtent(PagingPC.class, true);
        extent.getFetchPlan().setFetchBatchSize(0);
        extent.getFetchPlan().addFetchGroup("rel");
        extent.getFetchPlan().addFetchGroup("rels");


        // we should get two selects: the initial select and the IN eager stmnt
        List list = extent.list();
        assertEquals(4, list.size());
        assertRel(list, 4);
        assertRels(list, 4);
        assertEquals(sql.toString(), 2, sql.size());
        assertTrue((String) sql.get(1),
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        throws Exception {
        initializePagingAppIdPCs();

        EntityManager em =currentEntityManager();
        OpenJPAEntityManager kem = OpenJPAPersistence.cast (em);
        Extent extent = kem.createExtent(PagingAppIdPC.class, true);

        extent.getFetchPlan().setFetchBatchSize(0);
        extent.getFetchPlan().addFetchGroup("rel");
        extent.getFetchPlan().addFetchGroup("rels");

        // we should get two selects: the initial select and the IN eager stmnt
        List list = extent.list();
        assertEquals(4, list.size());
        assertAppIdRel(list, 4);
        assertAppIdRels(list, 4);
        assertEquals(sql.toString(), 2, sql.size());
        assertTrue((String) sql.get(1),
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    }
    public void setUp() {
        OpenJPAEntityManager pm =(OpenJPAEntityManager)currentEntityManager();
        startTx(pm);
       
        Extent e = pm.createExtent(LocatorTestObject.class, true);
        for (Iterator i = e.iterator(); i.hasNext();) {
            pm.remove(i.next());
           
        }
        endTx(pm);
        pm.close();
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        throws Exception {
        initializePagingPCs();

        EntityManager em =currentEntityManager();
        OpenJPAEntityManager kem = OpenJPAPersistence.cast(em);
        Extent extent = kem.createExtent(PagingPC.class, true);

        extent.getFetchPlan().setFetchBatchSize(2);    // 2 pages of 2
        extent.getFetchPlan().addFetchGroup("rel");
        extent.getFetchPlan().addFetchGroup("rels");

        // we should get two selects: the initial select and the IN eager stmnt
        List list = extent.list();
        assertEquals(list.toString(), 4, list.size());
        assertRel(list, 4);
        assertRels(list, 4);
        assertEquals(sql.toString(), 3, sql.size());
        assertTrue((String) sql.get(1),
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        throws Exception {
        initializePagingPCs();

      EntityManager em =currentEntityManager();
        OpenJPAEntityManager kem = OpenJPAPersistence.cast (em);
        Extent extent = kem.createExtent(PagingPC.class, true);
        extent.getFetchPlan().setFetchBatchSize(3);    // 1 on page 2
        extent.getFetchPlan().addFetchGroup("rel");
        extent.getFetchPlan().addFetchGroup("rels");

        // we should get two selects: the initial select and the IN eager stmnt
        List list = extent.list();
        assertEquals(list.toString(), 4, list.size());
        assertRel(list, 4);
        assertRels(list, 4);
        assertEquals(sql.toString(), 3, sql.size());
        assertTrue((String) sql.get(1),
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    }
   
    public void testBaseExtentNoSubs()
    throws Exception {
        OpenJPAEntityManager pm =(OpenJPAEntityManager)currentEntityManager();
        Extent extent = pm.createExtent(JoinSubclassBase.class, false);
        Iterator itr = extent.iterator();
        assertTrue(itr.hasNext());
        JoinSubclassBase pc = (JoinSubclassBase) itr.next();
        assertEquals(1, pc.getBaseField());
        assertEquals(JoinSubclassBase.class, pc.getClass());
        assertTrue(!itr.hasNext());
        extent.closeAll();
        pm.close();
       
        assertEquals(sql.toString(), 1, sql.size());
        assertNotSQL(_outer);
    }
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    }
   
    public void testBaseExtentWithSubs()
    throws Exception {
        OpenJPAEntityManager pm =(OpenJPAEntityManager)currentEntityManager();
        Extent extent = pm.createExtent(JoinSubclassBase.class, true);
        Collection pcs = new TreeSet(((Extent) extent).list());
        assertEquals(3, pcs.size());
        Iterator itr = pcs.iterator();
        for (int i = 0; i < 2; i++) {
            JoinSubclassBase pc = (JoinSubclassBase) itr.next();
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    }
   
    public void testLeafExtent()
    throws Exception {
        OpenJPAEntityManager pm =(OpenJPAEntityManager)currentEntityManager();
        Extent extent = pm.createExtent(JoinSubclassBaseSubFlat.class, false);
        Iterator itr = extent.iterator();
        assertTrue(itr.hasNext());
        JoinSubclassBaseSubFlat pc = (JoinSubclassBaseSubFlat) itr.next();
        assertEquals(3, pc.getBaseField());
        assertEquals(4, pc.getBaseSubVertField());
        assertEquals(5, pc.getBaseSubFlatField());
        assertTrue(!itr.hasNext());
        extent.closeAll();
        pm.close();
       
        assertEquals(sql.toString(), 1, sql.size());
        assertNotSQL(_outer);
    }
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Related Classes of org.apache.openjpa.persistence.Extent

  • org.apache.openjpa.persistence.datacache.CacheTest
  • org.apache.openjpa.persistence.jdbc.kernel.TestDataStoreTrips
  • org.apache.openjpa.persistence.jdbc.kernel.TestPagingResultObjectProvider
  • org.apache.openjpa.persistence.jdbc.meta.TestLocators
  • org.apache.openjpa.persistence.jdbc.meta.vertical.TestJoinSubclasses
  • org.apache.openjpa.persistence.jdbc.meta.vertical.TestSubclassJoinExtent
  • org.apache.openjpa.persistence.kernel.TestExtents
  • org.apache.openjpa.persistence.kernel.TestExtents2
  • org.apache.openjpa.persistence.kernel.TestFetchGroupsExtent
  • org.apache.openjpa.persistence.kernel.TestPersistentMaps
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