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.

        ObjectContext context = createDataContext();
        UuidTestEntity test = context.newObject(UuidTestEntity.class);


        UUID id = UUID.randomUUID();
        test.setUuid(id);
        context.commitChanges();


        SelectQuery q = new SelectQuery(UuidTestEntity.class);
        UuidTestEntity testRead = (UuidTestEntity) context.performQuery(q).get(0);
        assertNotNull(testRead.getUuid());
        assertEquals(id, testRead.getUuid());

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        UuidTestEntity testRead = (UuidTestEntity) context.performQuery(q).get(0);
        assertNotNull(testRead.getUuid());
        assertEquals(id, testRead.getUuid());


        test.setUuid(null);
        context.commitChanges();
    }
}

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        SelectQuery q = new SelectQuery(Artist.class);
        List<Artist> allArtists = context.performQuery(q);


        Date dob = new Date();
        allArtists.get(0).setDateOfBirth(dob);
        context.commitChanges();


        String ejbql = "SELECT a FROM Artist a WHERE a.dateOfBirth = :x";


        EJBQLQuery query = new EJBQLQuery(ejbql);
        query.setParameter("x", dob);

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        childDeleted.setArtistName("DDD");


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


        childContext.commitChanges();


        assertEquals(PersistenceState.COMMITTED, childNew.getPersistenceState());
        assertEquals(PersistenceState.COMMITTED, childModified.getPersistenceState());
        assertEquals(PersistenceState.COMMITTED, childCommitted.getPersistenceState());
        assertEquals(PersistenceState.TRANSIENT, childDeleted.getPersistenceState());

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        DataContext context = createDataContext();
        ObjectContext child = context.createChildContext();


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


        Painting p1 = child.newObject(Painting.class);
        p1.setPaintingTitle("P1");
        a.addToPaintingArray(p1);

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        PrimitivesTestEntity e = context
                .newObject(PrimitivesTestEntity.class);
        e.setBooleanColumn(true);
        e.setIntColumn(88);
        context.commitChanges();
    }
}

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        BigIntegerEntity o2 = context
                .newObject(BigIntegerEntity.class);
        o2.setBigIntegerField(new BigInteger("10"));


        context.commitChanges();


        EJBQLQuery query = new EJBQLQuery(
                "SELECT d FROM BigIntegerEntity d WHERE MOD(d.bigIntegerField, 4) = 2");
        List objects = context.performQuery(query);
        assertEquals(1, objects.size());

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        a2.addToPaintingArray(p12);
        Painting p22 = context.newObject(Painting.class);
        p22.setPaintingTitle("p22");
        a2.addToPaintingArray(p22);


        context.commitChanges();


        EJBQLQuery query = new EJBQLQuery(
                "SELECT d FROM Artist d WHERE SIZE(d.paintingArray) = 2");
        List objects = context.performQuery(query);
        assertEquals(1, objects.size());

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


        Artist a2 = context.newObject(Artist.class);
        a2.setArtistName("a2");
        context.commitChanges();


        EJBQLQuery query = new EJBQLQuery(
                "SELECT a FROM Artist a WHERE CONCAT(a.artistName, a.artistName) = 'a1a1'");
        List objects = context.performQuery(query);
        assertEquals(1, objects.size());

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        Artist a1 = context.newObject(Artist.class);
        a1.setArtistName("12345678");


        Artist a2 = context.newObject(Artist.class);
        a2.setArtistName("abcdefg");
        context.commitChanges();


        EJBQLQuery query = new EJBQLQuery(
                "SELECT a FROM Artist a WHERE SUBSTRING(a.artistName, 2, 3) = 'bcd'");
        List objects = context.performQuery(query);
        assertEquals(1, objects.size());

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