Examples of org.apache.cayenne.ObjectContext.localObject()

org.apache.cayenne.ObjectContext.localObject()
Returns an object local to this ObjectContext and matching the ObjectId. If prototype is not null, local object is refreshed with the prototype values.
This method can do both "mapping" (i.e. finding an object with the same id in this context) and "synchronization" (i.e. updating the state of the found object with the state of the prototype object).

        Master altA1 = (Master) parentContext2.localObject(altA.getObjectId(), null);


        final ObjectContext childContext1 = parentContext1.createChildContext();
        final Child p2 = (Child) childContext1.localObject(p.getObjectId(), p);
        final Master altA2 = (Master) childContext1.localObject(altA.getObjectId(), altA);
        Master a2 = (Master) childContext1.localObject(a.getObjectId(), a);


        p1.setMaster(altA1);
        assertSame(a2, p2.getMaster());
        assertNotSame(altA2, p2.getMaster());
        parentContext2.commitChanges();

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        Child py1 = (Child) parentContext2.localObject(py.getObjectId(), py);
        Master a1 = (Master) parentContext2.localObject(a.getObjectId(), a);


        final ObjectContext peer2 = parentContext1.createChildContext();
        final Child py2 = (Child) peer2.localObject(py.getObjectId(), py);
        final Master a2 = (Master) peer2.localObject(a.getObjectId(), a);


        a1.addToChildren(py1);
        assertEquals(1, a2.getChildren().size());
        assertFalse(a2.getChildren().contains(py2));

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        Child py1 = (Child) parentContext2.localObject(py.getObjectId(), py);
        Master a1 = (Master) parentContext2.localObject(a.getObjectId(), a);


        final ObjectContext peer2 = parentContext1.createChildContext();
        final Child py2 = (Child) peer2.localObject(py.getObjectId(), py);
        final Master a2 = (Master) peer2.localObject(a.getObjectId(), a);


        a1.addToChildren(py1);
        assertEquals(1, a2.getChildren().size());
        assertFalse(a2.getChildren().contains(py2));
        parentContext2.commitChangesToParent();

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        Artist a1 = peer1.newObject(Artist.class);
        a1.setArtistName("Y");
        ObjectId a1TempId = a1.getObjectId();


        ObjectContext peer2 = context.createChildContext();
        Artist a2 = (Artist) peer2.localObject(a1TempId, a1);


        assertEquals(a1TempId, a2.getObjectId());


        peer1.commitChanges();
        assertFalse(a1.getObjectId().isTemporary());

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


        ObjectContext peer1 = context.createChildContext();
        Artist a1 = (Artist) peer1.localObject(a.getObjectId(), a);


        ObjectContext peer2 = context.createChildContext();
        Artist a2 = (Artist) peer2.localObject(a.getObjectId(), a);


        a1.setArtistName("Y");

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        ObjectContext peer1 = context.createChildContext();
        Artist a1 = (Artist) peer1.localObject(a.getObjectId(), a);


        ObjectContext peer2 = context.createChildContext();
        Artist a2 = (Artist) peer2.localObject(a.getObjectId(), a);


        a1.setArtistName("Y");
        assertEquals("X", a2.getArtistName());
        peer1.commitChangesToParent();
        assertEquals("Y", a2.getArtistName());

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        a.setArtistName("X");
        altA.setArtistName("Y");
        context.commitChanges();


        ObjectContext peer1 = context.createChildContext();
        Painting p1 = (Painting) peer1.localObject(p.getObjectId(), p);
        Artist altA1 = (Artist) peer1.localObject(altA.getObjectId(), altA);


        ObjectContext peer2 = context.createChildContext();
        Painting p2 = (Painting) peer2.localObject(p.getObjectId(), p);
        Artist altA2 = (Artist) peer2.localObject(altA.getObjectId(), altA);

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        altA.setArtistName("Y");
        context.commitChanges();


        ObjectContext peer1 = context.createChildContext();
        Painting p1 = (Painting) peer1.localObject(p.getObjectId(), p);
        Artist altA1 = (Artist) peer1.localObject(altA.getObjectId(), altA);


        ObjectContext peer2 = context.createChildContext();
        Painting p2 = (Painting) peer2.localObject(p.getObjectId(), p);
        Artist altA2 = (Artist) peer2.localObject(altA.getObjectId(), altA);
        Artist a2 = (Artist) peer2.localObject(a.getObjectId(), a);

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        ObjectContext peer1 = context.createChildContext();
        Painting p1 = (Painting) peer1.localObject(p.getObjectId(), p);
        Artist altA1 = (Artist) peer1.localObject(altA.getObjectId(), altA);


        ObjectContext peer2 = context.createChildContext();
        Painting p2 = (Painting) peer2.localObject(p.getObjectId(), p);
        Artist altA2 = (Artist) peer2.localObject(altA.getObjectId(), altA);
        Artist a2 = (Artist) peer2.localObject(a.getObjectId(), a);


        p1.setToArtist(altA1);
        assertSame(a2, p2.getToArtist());

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        Painting p1 = (Painting) peer1.localObject(p.getObjectId(), p);
        Artist altA1 = (Artist) peer1.localObject(altA.getObjectId(), altA);


        ObjectContext peer2 = context.createChildContext();
        Painting p2 = (Painting) peer2.localObject(p.getObjectId(), p);
        Artist altA2 = (Artist) peer2.localObject(altA.getObjectId(), altA);
        Artist a2 = (Artist) peer2.localObject(a.getObjectId(), a);


        p1.setToArtist(altA1);
        assertSame(a2, p2.getToArtist());
        peer1.commitChangesToParent();

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