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

org.apache.cayenne.ObjectContext.commitChanges()
Flushes all changes to objects in this context to the parent DataChannel, cascading flush operation all the way through the stack, ultimately saving data in the database.

        assertFalse(a1.isPreUpdated());


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


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

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                Artist.class,
                listener2,
                "publicCallback");


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


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

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        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());

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


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


        registry.addListener(
                LifecycleEvent.POST_UPDATE,
                Artist.class,

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


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

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                Artist.class,
                listener2,
                "publicCallback");


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


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

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        ObjectContext context = createDataContext();


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


        registry.addListener(
                LifecycleEvent.POST_REMOVE,
                Artist.class,
                "postRemoveCallback");

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                Artist.class,
                listener2,
                "publicCallback");


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


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

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        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,

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


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

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