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

org.apache.cayenne.ObjectContext.deleteObject()
Schedules a persistent object for deletion on next commit. @throws DeleteDenyException if a {@link org.apache.cayenne.map.DeleteRule#DENY}delete rule is applicable for object deletion.

        
        context.commitChanges();
        Thread.sleep(5); //until commit
        assertAll(1, 0, 1, 1, 1, 1, 0, 0);
        
        context.deleteObject(l1);
        assertAll(1, 0, 1, 1, 1, 1, 1, 0);
        
        context.commitChanges();
        Thread.sleep(5); //until commit
        assertAll(1, 0, 1, 1, 1, 1, 1, 1);

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        p.setPaintingTitle("X");
        a.addToPaintingArray(p);


        childContext.commitChangesToParent();


        childContext.deleteObject(p);
        a.removeFromPaintingArray(p);


        childContext.commitChangesToParent();
    }

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        assertEquals(4, objects.size());


        // delete AND modify
        Artist childDeleted = (Artist) objects.get(2);
        childContext.deleteObject(childDeleted);
        childDeleted.setArtistName("DDD");


        // don't block queries - on delete Cayenne may need to resolve delete rules via
        // fetch
        childContext.commitChangesToParent();

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        Artist childCommitted = (Artist) objects.get(1);


        // delete AND modify
        Artist childDeleted = (Artist) objects.get(2);
        childContext.deleteObject(childDeleted);
        childDeleted.setArtistName("DDD");


        Artist childHollow = (Artist) objects.get(3);
        childContext.invalidateObjects(Collections.singleton(childHollow));

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        a.addToPaintingArray(p2);


        a.removeFromPaintingArray(p2);


        // this causes an error on commit
        child.deleteObject(p2);


        child.commitChangesToParent();


    }

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                LifecycleEvent.POST_REMOVE,
                Artist.class,
                listener2,
                "publicCallback");


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


        assertTrue(a1.isPostRemoved());
        assertSame(a1, listener2.getPublicCalledbackEntity());
    }

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                "publicCallback");




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


        assertNull(listener2.getPublicCalledbackEntity());
        assertSame(a1, listener1.getPublicCalledbackEntity());
    }

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                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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                LifecycleEvent.POST_REMOVE,
                Artist.class,
                listener2,
                "publicCallback");


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


        assertTrue(a1.isPostRemoved());
        assertSame(a1, listener2.getPublicCalledbackEntity());
    }

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