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.

          Mail m = rsMail.get(id-1);
          String response = "Deleted " + constructMessage(id, rsMail.size(), m);


          try {
            ObjectContext context = commanderAccount.getObjectContext();
            context.deleteObject(m);
            commanderAccount.updateRow();
            user.sendChat(response, true);


            context.performQuery(new RefreshQuery(commanderAccount));
          } catch(Exception e) {

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          throw new CommandFailedWithDetailsException("You have unread mail!");


        try {
          ObjectContext context = commanderAccount.getObjectContext();
          for(Mail m : commanderAccount.getRecievedMail())
            context.deleteObject(m);
          commanderAccount.updateRow();
          user.sendChat("Mailbox cleaned!", whisperBack);
        } catch(Exception e) {
          throw new CommandFailedWithDetailsException("Failed to delete mail", e);
        }

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


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


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

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                listener2,
                "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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        country.setContinent(continent);
        assertEquals(continent.getCountries().size(), 1);
        
        context.commitChanges();
        
        context.deleteObject(country);
        assertEquals(continent.getCountries().size(), 0);
        continent.setName("Australia");
        
        context.commitChanges();
        context.performQuery(new RefreshQuery());

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