Package org.apache.cayenne

Examples of org.apache.cayenne.ObjectContext

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//    or p.partNumber like '%rimadyl%'
//    )

    public void testRelationshipWhereClause() throws Exception {
        deleteTestData();
        ObjectContext context = createDataContext();

        Artist a = context.newObject(Artist.class);
        a.setArtistName("a");
        Painting p = context.newObject(Painting.class);
        p.setPaintingTitle("p");
        p.setToArtist(a);
        context.commitChanges();

        EJBQLQuery query = new EJBQLQuery(
            "select p from Painting p where p.toArtist=:a");
        query.setParameter("a", a);

        List<Painting> paintings = context.performQuery(query);
        assertEquals(1, paintings.size());
        assertSame(p, paintings.get(0));
    }
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        assertEquals(1, paintings.size());
        assertSame(p, paintings.get(0));
    }

    public void testRelationshipWhereClause2() throws Exception {
        ObjectContext context = createDataContext();

        Expression exp = ExpressionFactory.matchExp(Painting.TO_GALLERY_PROPERTY, null);
        EJBQLQuery query = new EJBQLQuery("select p.toArtist from Painting p where " + exp.toEJBQL("p"));

        context.performQuery(query);
    }
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        context.performQuery(query);
    }

    public void testOrBrackets() throws Exception {
        deleteTestData();
        ObjectContext context = createDataContext();

        Artist a = context.newObject(Artist.class);
        a.setArtistName("testOrBrackets");
        context.commitChanges();

        //this query is equivalent to (false and (false or true)) and
        //should always return 0 rows
        EJBQLQuery query = new EJBQLQuery("select a from Artist a " +
        "where a.artistName <> a.artistName and " +
        "(a.artistName <> a.artistName or a.artistName = a.artistName)");
        assertEquals(context.performQuery(query).size(), 0);

        //on the other hand, the following is equivalent to (false and false) or true) and
        //should return >0 rows
        query = new EJBQLQuery("select a from Artist a " +
            "where a.artistName <> a.artistName and " +
            "a.artistName <> a.artistName or a.artistName = a.artistName");
        assertTrue(context.performQuery(query).size() > 0);

        //checking brackets around not
        query = new EJBQLQuery("select a from Artist a " +
            "where not(a.artistName <> a.artistName and " +
            "a.artistName <> a.artistName or a.artistName = a.artistName)");
        assertEquals(context.performQuery(query).size(), 0);

        //not is first to process
        query = new EJBQLQuery("select a from Artist a " +
                "where not a.artistName <> a.artistName or " +
                "a.artistName = a.artistName");
        assertTrue(context.performQuery(query).size() > 0);
    }
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    public void testPostLoad_Relationship() throws Exception {
        LifecycleCallbackRegistry registry = getDomain()
                .getEntityResolver()
                .getCallbackRegistry();

        ObjectContext context = createDataContext();

        registry.addListener(LifecycleEvent.POST_LOAD, Artist.class, "postLoadCallback");
        MockCallingBackListener listener = new MockCallingBackListener();
        registry.addListener(
                LifecycleEvent.POST_LOAD,
                Artist.class,
                listener,
                "publicCallback");

        Artist a1 = context.newObject(Artist.class);
        a1.setArtistName("XX");
        Painting p1 = context.newObject(Painting.class);
        p1.setToArtist(a1);
        p1.setPaintingTitle("XXX");
        context.commitChanges();

        // reset context and read related object
        context = createDataContext();

        SelectQuery q = new SelectQuery(Painting.class);
        p1 = (Painting) context.performQuery(q).get(0);

        // this should be a hollow object, so no callback just yet
        a1 = p1.getToArtist();
        assertEquals(PersistenceState.HOLLOW, a1.getPersistenceState());
        assertEquals(0, a1.getPostLoaded());
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    public void testPostLoad_Prefetch() throws Exception {
        LifecycleCallbackRegistry registry = getDomain()
                .getEntityResolver()
                .getCallbackRegistry();

        ObjectContext context = createDataContext();

        registry.addListener(LifecycleEvent.POST_LOAD, Artist.class, "postLoadCallback");
        MockCallingBackListener listener = new MockCallingBackListener();
        registry.addListener(
                LifecycleEvent.POST_LOAD,
                Artist.class,
                listener,
                "publicCallback");

        Artist a1 = context.newObject(Artist.class);
        a1.setArtistName("XX");
        Painting p1 = context.newObject(Painting.class);
        p1.setToArtist(a1);
        p1.setPaintingTitle("XXX");
        context.commitChanges();

        // reset context and read related object
        context = createDataContext();

        SelectQuery q = new SelectQuery(Painting.class);
        q.addPrefetch(Painting.TO_ARTIST_PROPERTY);
        p1 = (Painting) context.performQuery(q).get(0);

        // artist is prefetched here, and a callback must have been invoked
        a1 = p1.getToArtist();
        assertEquals(PersistenceState.COMMITTED, a1.getPersistenceState());
        assertEquals(1, a1.getPostLoaded());
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        LifecycleCallbackRegistry registry = getDomain()
                .getEntityResolver()
                .getCallbackRegistry();

        ObjectContext context = createDataContext();

        Artist a1 = context.newObject(Artist.class);
        a1.setArtistName("XX");
        context.commitChanges();
        assertFalse(a1.isPreUpdated());

        a1.setArtistName("YY");
        context.commitChanges();
        assertFalse(a1.isPreUpdated());

        registry
                .addListener(LifecycleEvent.PRE_UPDATE, Artist.class, "preUpdateCallback");
        a1.setArtistName("ZZ");
        context.commitChanges();
        assertTrue(a1.isPreUpdated());

        a1.resetCallbackFlags();
        assertFalse(a1.isPreUpdated());

        MockCallingBackListener listener2 = new MockCallingBackListener();
        registry.addListener(
                LifecycleEvent.PRE_UPDATE,
                Artist.class,
                listener2,
                "publicCallback");

        a1.setArtistName("AA");
        context.commitChanges();

        assertTrue(a1.isPreUpdated());
        assertSame(a1, listener2.getPublicCalledbackEntity());
    }
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        LifecycleCallbackRegistry registry = getDomain()
                .getEntityResolver()
                .getCallbackRegistry();

        ObjectContext context = createDataContext();

        Artist a1 = context.newObject(Artist.class);
        a1.setArtistName("XX");
        context.commitChanges();
        assertFalse(a1.isPostUpdated());

        a1.setArtistName("YY");
        context.commitChanges();
        assertFalse(a1.isPostUpdated());

        registry.addListener(
                LifecycleEvent.POST_UPDATE,
                Artist.class,
                "postUpdateCallback");
        a1.setArtistName("ZZ");
        context.commitChanges();
        assertTrue(a1.isPostUpdated());

        a1.resetCallbackFlags();
        assertFalse(a1.isPostUpdated());

        MockCallingBackListener listener2 = new MockCallingBackListener();
        registry.addListener(
                LifecycleEvent.POST_UPDATE,
                Artist.class,
                listener2,
                "publicCallback");

        a1.setArtistName("AA");
        context.commitChanges();

        assertTrue(a1.isPostUpdated());
        assertSame(a1, listener2.getPublicCalledbackEntity());
    }
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        LifecycleCallbackRegistry registry = getDomain()
                .getEntityResolver()
                .getCallbackRegistry();

        ObjectContext context = createDataContext();

        Artist a1 = context.newObject(Artist.class);
        a1.setArtistName("XX");
        context.commitChanges();

        registry.addListener(
                LifecycleEvent.POST_REMOVE,
                Artist.class,
                "postRemoveCallback");
        MockCallingBackListener listener2 = new MockCallingBackListener();
        registry.addListener(
                LifecycleEvent.POST_REMOVE,
                Artist.class,
                listener2,
                "publicCallback");

        context.deleteObject(a1);
        context.commitChanges();

        assertTrue(a1.isPostRemoved());
        assertSame(a1, listener2.getPublicCalledbackEntity());
    }
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        LifecycleCallbackRegistry registry = getDomain()
                .getEntityResolver()
                .getCallbackRegistry();

        ObjectContext context = createDataContext();

        Artist a1 = context.newObject(Artist.class);
        a1.setArtistName("XX");
        context.commitChanges();

        MockCallingBackListener listener1 = new MockCallingBackListener();
        registry.addListener(
                LifecycleEvent.POST_REMOVE,
                Artist.class,
                listener1,
                "publicCallback");

        MockCallingBackListener listener2 = new MockCallingBackListener();
        registry.addListener(
                LifecycleEvent.POST_UPDATE,
                Artist.class,
                listener2,
                "publicCallback");

        // change before removing
        a1.setArtistName("YY");
        context.deleteObject(a1);
        context.commitChanges();

        assertNull(listener2.getPublicCalledbackEntity());
        assertSame(a1, listener1.getPublicCalledbackEntity());
    }
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        LifecycleCallbackRegistry registry = getDomain()
                .getEntityResolver()
                .getCallbackRegistry();

        ObjectContext context = createDataContext();

        MockCallingBackListener listener0 = new MockCallingBackListener();
        registry.addListener(
                LifecycleEvent.POST_PERSIST,
                Artist.class,
                listener0,
                "publicCallback");

        MockCallingBackListener listener1 = new MockCallingBackListener();
        registry.addListener(
                LifecycleEvent.POST_REMOVE,
                Artist.class,
                listener1,
                "publicCallback");

        MockCallingBackListener listener2 = new MockCallingBackListener();
        registry.addListener(
                LifecycleEvent.POST_UPDATE,
                Artist.class,
                listener2,
                "publicCallback");

        Artist a1 = context.newObject(Artist.class);
        a1.setArtistName("XX");
        context.deleteObject(a1);
        context.commitChanges();

        assertNull(listener0.getPublicCalledbackEntity());
        assertNull(listener1.getPublicCalledbackEntity());
        assertNull(listener2.getPublicCalledbackEntity());
    }
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