Examples of ObjectIdQuery

org.apache.cayenne.query.ObjectIdQuery
A query that matches zero or one object or data row corresponding to the ObjectId. Used internally by Cayenne to lookup objects by id. Notice that cache policies of ObjectIdQuery are different from generic {@link QueryMetadata} cache policies.ObjectIdQuery is special - it is the only query that can be done against Cayenne main cache, thus cache handling is significantly different from all other of the queries. @since 1.2 @author Andrus Adamchik

Examples of org.apache.cayenne.query.ObjectIdQuery

                "Artist",
                Artist.ARTIST_ID_PK_COLUMN,
                33001), null);
        DataObject committed = (DataObject) Cayenne.objectForQuery(
                context,
                new ObjectIdQuery(new ObjectId(
                        "Artist",
                        Artist.ARTIST_ID_PK_COLUMN,
                        33002)));


        int modifiedId = 33003;
        Artist modified = (Artist) Cayenne.objectForQuery(
                context,
                new ObjectIdQuery(new ObjectId(
                        "Artist",
                        Artist.ARTIST_ID_PK_COLUMN,
                        modifiedId)));
        modified.setArtistName("MODDED");
        DataObject deleted = (DataObject) Cayenne.objectForQuery(
                context,
                new ObjectIdQuery(new ObjectId(
                        "Artist",
                        Artist.ARTIST_ID_PK_COLUMN,
                        33004)));
        context.deleteObject(deleted);

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Examples of org.apache.cayenne.query.ObjectIdQuery

                "Artist",
                Artist.ARTIST_ID_PK_COLUMN,
                33001), null);
        DataObject committed = (DataObject) Cayenne.objectForQuery(
                context,
                new ObjectIdQuery(new ObjectId(
                        "Artist",
                        Artist.ARTIST_ID_PK_COLUMN,
                        33002)));


        int modifiedId = 33003;
        Artist modified = (Artist) Cayenne.objectForQuery(
                context,
                new ObjectIdQuery(new ObjectId(
                        "Artist",
                        Artist.ARTIST_ID_PK_COLUMN,
                        modifiedId)));
        modified.setArtistName("M1");
        DataObject deleted = (DataObject) Cayenne.objectForQuery(
                context,
                new ObjectIdQuery(new ObjectId(
                        "Artist",
                        Artist.ARTIST_ID_PK_COLUMN,
                        33004)));
        context.deleteObject(deleted);

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Examples of org.apache.cayenne.query.ObjectIdQuery

        ObjectContext childContext = context.createChildContext();


        int modifiedId = 33003;
        Artist modified = (Artist) Cayenne.objectForQuery(
                context,
                new ObjectIdQuery(new ObjectId(
                        "Artist",
                        Artist.ARTIST_ID_PK_COLUMN,
                        modifiedId)));
        Artist peerModified = (Artist) Cayenne.objectForQuery(
                childContext,
                new ObjectIdQuery(new ObjectId(
                        "Artist",
                        Artist.ARTIST_ID_PK_COLUMN,
                        modifiedId)));


        modified.setArtistName("M1");

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Examples of org.apache.cayenne.query.ObjectIdQuery

                "Artist",
                Artist.ARTIST_ID_PK_COLUMN,
                33001), null);
        DataObject committed = (DataObject) Cayenne.objectForQuery(
                parent,
                new ObjectIdQuery(new ObjectId(
                        "Artist",
                        Artist.ARTIST_ID_PK_COLUMN,
                        33002)));


        int modifiedId = 33003;
        Artist modified = (Artist) Cayenne.objectForQuery(
                parent,
                new ObjectIdQuery(new ObjectId(
                        "Artist",
                        Artist.ARTIST_ID_PK_COLUMN,
                        modifiedId)));
        modified.setArtistName("MODDED");
        DataObject deleted = (DataObject) Cayenne.objectForQuery(
                parent,
                new ObjectIdQuery(new ObjectId(
                        "Artist",
                        Artist.ARTIST_ID_PK_COLUMN,
                        33004)));
        parent.deleteObject(deleted);

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Examples of org.apache.cayenne.query.ObjectIdQuery

        DataContext peerContext = createDataContext();


        int modifiedId = 33003;
        Artist modified = (Artist) Cayenne.objectForQuery(
                context,
                new ObjectIdQuery(new ObjectId(
                        "Artist",
                        Artist.ARTIST_ID_PK_COLUMN,
                        modifiedId)));
        Artist peerModified = (Artist) Cayenne.objectForQuery(
                peerContext,
                new ObjectIdQuery(new ObjectId(
                        "Artist",
                        Artist.ARTIST_ID_PK_COLUMN,
                        modifiedId)));


        modified.setArtistName("M1");

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Examples of org.apache.cayenne.query.ObjectIdQuery


        final ClientMtTable1 o = clientContext.newObject(ClientMtTable1.class);
        o.setGlobalAttribute1("aaa");


        // fetch new
        final ObjectIdQuery q1 = new ObjectIdQuery(
                o.getObjectId(),
                false,
                ObjectIdQuery.CACHE);


        clientServerInterceptor.runWithQueriesBlocked(new UnitTestClosure() {


            public void execute() {
                List<?> objects = clientContext.performQuery(q1);
                assertEquals(1, objects.size());
                assertSame(o, objects.get(0));
            }
        });


        clientContext.commitChanges();


        // fetch committed
        final ObjectIdQuery q2 = new ObjectIdQuery(
                o.getObjectId(),
                false,
                ObjectIdQuery.CACHE);


        clientServerInterceptor.runWithQueriesBlocked(new UnitTestClosure() {

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Examples of org.apache.cayenne.query.ObjectIdQuery


    public void prepareForAccess(Persistent object, String property, boolean lazyFaulting) {
        if (object.getPersistenceState() == PersistenceState.HOLLOW) {


            ObjectId oid = object.getObjectId();
            List<?> objects = performQuery(new ObjectIdQuery(
                    oid,
                    false,
                    ObjectIdQuery.CACHE));


            if (objects.size() == 0) {

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Examples of org.apache.cayenne.query.ObjectIdQuery

        // how do we handle this for NEW objects correctly? For now bail from the method
        if (object.getObjectId().isTemporary()) {
            return null;
        }


        ObjectIdQuery query = new ObjectIdQuery(
                object.getObjectId(),
                true,
                ObjectIdQuery.CACHE);
        QueryResponse response = context.getChannel().onQuery(null, query);
        List<?> result = response.firstList();

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Examples of org.apache.cayenne.query.ObjectIdQuery

        ObjectId id = new ObjectId("Artist", Artist.ARTIST_ID_PK_COLUMN, new Integer(
                33002));


        assertNull(context.getGraphManager().getNode(id));


        Object object = Cayenne.objectForQuery(context, new ObjectIdQuery(id));


        assertNotNull(object);
        assertTrue(object instanceof Artist);
        assertEquals("artist2", ((Artist) object).getArtistName());
    }

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Examples of org.apache.cayenne.query.ObjectIdQuery

    public void testObjectForQueryNoObject() throws Exception {


        ObjectId id = new ObjectId("Artist", Artist.ARTIST_ID_PK_COLUMN, new Integer(
                44001));


        Object object = Cayenne.objectForQuery(context, new ObjectIdQuery(id));
        assertNull(object);
    }

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