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

        };
        helper.assertWithTimeout(3000);


        // check if now we can save this object again, and with the original
        // ObjectId
        ObjectId id = altArtist.getObjectId();
        assertNotNull(id);
        assertNotNull(id.getIdSnapshot().get(Artist.ARTIST_ID_PK_COLUMN));
        assertFalse(id.isTemporary());


        altContext.commitChanges();


        assertEquals(PersistenceState.COMMITTED, altArtist.getPersistenceState());

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        assertEquals(newName, freshSnapshot.get("ARTIST_NAME"));
    }


    public void testSnapshotEvictedForDeleted() throws Exception {
        // remember ObjectId
        ObjectId id = artist.getObjectId();


        assertEquals(PersistenceState.COMMITTED, artist.getPersistenceState());


        // delete object PRIOR to killing the snapshot
        context.deleteObject(artist);

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        Iterator it = objects.iterator();
        while (it.hasNext()) {
            Persistent object = (Persistent) it.next();


            ObjectId id = object.getObjectId();


            // remove object but not snapshot
            objectMap.remove(id);
            changes.remove(id);
            ids.add(id);

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     */
    void processInvalidatedIDs(Collection invalidatedIDs) {
        if (invalidatedIDs != null && !invalidatedIDs.isEmpty()) {
            Iterator it = invalidatedIDs.iterator();
            while (it.hasNext()) {
                ObjectId oid = (ObjectId) it.next();
                DataObject object = (DataObject) getNode(oid);


                if (object == null) {
                    continue;
                }


                // TODO: refactor "switch" to avoid code duplication


                switch (object.getPersistenceState()) {
                    case PersistenceState.COMMITTED:
                        object.setPersistenceState(PersistenceState.HOLLOW);
                        break;
                    case PersistenceState.MODIFIED:
                        DataContext context = (DataContext) object.getObjectContext();
                        DataRow diff = getSnapshot(oid);
                        // consult delegate if it exists
                        DataContextDelegate delegate = context.nonNullDelegate();
                        if (delegate.shouldMergeChanges(object, diff)) {
                            ClassDescriptor descriptor = context
                                    .getEntityResolver()
                                    .getClassDescriptor(oid.getEntityName());
                            DataRowUtils.forceMergeWithSnapshot(
                                    context,
                                    descriptor,
                                    object,
                                    diff);

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     * @since 1.1
     */
    void processIndirectlyModifiedIDs(Collection indirectlyModifiedIDs) {
        Iterator indirectlyModifiedIt = indirectlyModifiedIDs.iterator();
        while (indirectlyModifiedIt.hasNext()) {
            ObjectId oid = (ObjectId) indirectlyModifiedIt.next();


            // access object map directly - the method should be called in a synchronized
            // context...
            final DataObject object = (DataObject) objectMap.get(oid);


            if (object == null
                    || object.getPersistenceState() != PersistenceState.COMMITTED) {
                continue;
            }


            // for now break all "independent" object relationships...
            // in the future we may want to be more precise and go after modified
            // relationships only, or even process updated lists without invalidating...


            DataContextDelegate delegate = context.nonNullDelegate();


            if (delegate.shouldMergeChanges(object, null)) {


                ClassDescriptor descriptor = context
                        .getEntityResolver()
                        .getClassDescriptor(oid.getEntityName());
                descriptor.visitProperties(new PropertyVisitor() {


                    public boolean visitToMany(ToManyProperty property) {
                        property.invalidate(object);
                        return true;

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        Artist object = context.newObject(Artist.class);
        object.setArtistName("ABC");
        assertEquals(PersistenceState.NEW, object.getPersistenceState());


        // do a manual ID substitution
        ObjectId manualId = new ObjectId("Artist", Artist.ARTIST_ID_PK_COLUMN, 77777);
        object.setObjectId(manualId);


        context.commitChanges();


        assertEquals(PersistenceState.COMMITTED, object.getPersistenceState());

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    }


    public void testResolveFaultFailure() {
        DataContext context = createDataContext();


        Persistent o1 = context.localObject(new ObjectId(
                "Artist",
                Artist.ARTIST_ID_PK_COLUMN,
                new Integer(234)), null);


        try {

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        ejbql.setStatementFetchSize(10);
        
        assertEquals(10, ejbql.getMetaData(dataContext.getEntityResolver()).getStatementFetchSize());
        dataContext.performQuery(ejbql);
        
        ObjectId id = new ObjectId("Artist", Artist.ARTIST_ID_PK_COLUMN, 1);
        RelationshipQuery relationshipQuery = new RelationshipQuery(id, Artist.PAINTING_ARRAY_PROPERTY, true);
        relationshipQuery.setStatementFetchSize(10);
        
        assertEquals(10, relationshipQuery.getMetaData(dataContext.getEntityResolver()).getStatementFetchSize());
        dataContext.performQuery(relationshipQuery);

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                // skip HOLLOW objects as they likely were created from partial snapshots
                if (object.getPersistenceState() == PersistenceState.HOLLOW) {
                    continue;
                }


                ObjectId oid = object.getObjectId();


                // add snapshots if refresh is forced, or if a snapshot is
                // missing


                DataRow cachedSnapshot = (DataRow) this.snapshots.get(oid);

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        if (!updatedSnapshots.isEmpty()) {
            Iterator it = updatedSnapshots.entrySet().iterator();
            while (it.hasNext()) {
                Map.Entry entry = (Map.Entry) it.next();


                ObjectId key = (ObjectId) entry.getKey();
                DataRow newSnapshot = (DataRow) entry.getValue();
                DataRow oldSnapshot = (DataRow) snapshots.put(key, newSnapshot);


                // generate diff for the updated event, if this not a new
                // snapshot

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