Examples of org.apache.cayenne.ObjectId

org.apache.cayenne.ObjectId
A portable global identifier for persistent objects. ObjectId can be temporary (used for transient or new uncommitted objects) or permanent (used for objects that have been already stored in DB). A temporary ObjectId stores object entity name and a pseudo-unique binary key; permanent id stores a map of values from an external persistent store (aka "primary key"). @author Andrus Adamchik

        String name = "n_" + System.currentTimeMillis();
        idObject.setName(name);


        idObject.getObjectContext().commitChanges();


        ObjectId id = idObject.getObjectId();
        context.invalidateObjects(Collections.singleton(idObject));


        SelectQuery q = new SelectQuery(GeneratedColumnTestEntity.class);
        q.setPageSize(10);
        List results = context.performQuery(q);

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            context.commitChanges();


            int masterId = Cayenne.intPKForObject(master);


            ObjectId id2 = dep2.getObjectId();


            // check propagated id
            Number propagatedID2 = (Number) id2.getIdSnapshot().get(
                    GeneratedColumnCompKey.PROPAGATED_PK_PK_COLUMN);
            assertNotNull(propagatedID2);
            assertEquals(masterId, propagatedID2.intValue());


            // check Cayenne-generated ID
            Number cayenneGeneratedID2 = (Number) id2.getIdSnapshot().get(
                    GeneratedColumnCompKey.AUTO_PK_PK_COLUMN);
            assertNotNull(cayenneGeneratedID2);


            // check DB-generated ID
            Number dbGeneratedID2 = (Number) id2.getIdSnapshot().get(
                    GeneratedColumnCompKey.GENERATED_COLUMN_PK_COLUMN);
            assertNotNull(dbGeneratedID2);


            context.invalidateObjects(Arrays.asList(master, dep1, dep2));

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        // Exhibit with Gallery as Fault must still include Gallery
        // Artist and Exhibit (Exhibit has unresolved to-one to gallery as in the
        // CAY-96 bug report)


        ObjectId eId = new ObjectId("Exhibit", Exhibit.EXHIBIT_ID_PK_COLUMN, 2);
        Exhibit e = (Exhibit) context.performQuery(new ObjectIdQuery(eId)).get(0);


        assertTrue(e.readPropertyDirectly(Exhibit.TO_GALLERY_PROPERTY) instanceof Fault);


        DataRow snapshot = context.currentSnapshot(e);

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        DataRow row = new DataRow(10);
        row.put("ARTIST_ID", new Integer(1));
        row.put("ARTIST_NAME", "ArtistXYZ");
        row.put("DATE_OF_BIRTH", new Date());
        DataObject object = context.objectFromDataRow(Artist.class, row);
        ObjectId oid = object.getObjectId();


        // insert object into the ObjectStore
        context.getObjectStore().registerNode(oid, object);


        assertSame(object, context.getObjectStore().getNode(oid));

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    }


    public void testBeforeHollowDeleteShouldChangeStateToCommited() throws Exception {
        createSingleArtistDataSet();


        ObjectId gid = new ObjectId("Artist", "ARTIST_ID", 33001);
        final Artist inflated = new Artist();
        inflated.setPersistenceState(PersistenceState.COMMITTED);
        inflated.setObjectId(gid);
        inflated.setArtistName("artist1");

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        context.performGenericQuery(new SQLTemplate(
                Artist.class,
                "UPDATE ARTIST SET DATE_OF_BIRTH = NULL"));


        long id = Cayenne.longPKForObject(a);
        ObjectIdQuery query = new ObjectIdQuery(new ObjectId(
                "Artist",
                Artist.ARTIST_ID_PK_COLUMN,
                id), false, ObjectIdQuery.CACHE_REFRESH);


        Artist a1 = (Artist) Cayenne.objectForQuery(context, query);

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        context.performGenericQuery(new SQLTemplate(
                Artist.class,
                "UPDATE ARTIST SET ARTIST_NAME = 'Y'"));


        long id = Cayenne.longPKForObject(a);
        ObjectIdQuery query = new ObjectIdQuery(new ObjectId(
                "Artist",
                Artist.ARTIST_ID_PK_COLUMN,
                id), false, ObjectIdQuery.CACHE);


        Artist a1 = (Artist) Cayenne.objectForQuery(context, query);

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        context.performGenericQuery(new SQLTemplate(
                Artist.class,
                "UPDATE ARTIST SET DATE_OF_BIRTH = NULL"));


        ObjectIdQuery query = new ObjectIdQuery(new ObjectId(
                "Artist",
                Artist.ARTIST_ID_PK_COLUMN,
                44l), false, ObjectIdQuery.CACHE_REFRESH);


        Artist a1 = (Artist) Cayenne.objectForQuery(context, query);

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        DataContext context = createDataContext();


        ObjectContext peer1 = context.createChildContext();
        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());

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    public void testInsertWithMeaningfulPK() throws Exception {
        MeaningfulPKTest1 obj = context.newObject(MeaningfulPKTest1.class);
        obj.setPkAttribute(1000);
        obj.setDescr("aaa-aaa");
        context.commitChanges();
        ObjectIdQuery q = new ObjectIdQuery(new ObjectId(
                "MeaningfulPKTest1",
                MeaningfulPKTest1.PK_ATTRIBUTE_PK_COLUMN,
                1000), true, ObjectIdQuery.CACHE_REFRESH);
        assertEquals(1, context.performQuery(q).size());
    }

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