Package org.apache.cayenne

Examples of org.apache.cayenne.DataObject

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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
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        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
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     */
    void processUpdatedSnapshot(Object nodeId, DataRow diff) {

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

        // no object, or HOLLOW object require no processing
        if (object != null) {

            int state = object.getPersistenceState();
            if (state != PersistenceState.HOLLOW) {

                // perform same steps as resolveHollow()
                if (state == PersistenceState.COMMITTED) {
                    // consult delegate if it exists
                    DataContextDelegate delegate = context.nonNullDelegate();
                    if (delegate.shouldMergeChanges(object, diff)) {
                        ClassDescriptor descriptor = context
                                .getEntityResolver()
                                .getClassDescriptor(((ObjectId) nodeId).getEntityName());

                        // TODO: andrus, 5/26/2006 - call to 'getSnapshot' is expensive,
                        // however my attempts to merge the 'diff' instead of snapshot
                        // via 'refreshObjectWithSnapshot' resulted in even worse
                        // performance.
                        // This sounds counterintuitive (Not sure if this is some HotSpot
                        // related glitch)... still keeping the old algorithm here until
                        // we
                        // switch from snapshot events to GraphEvents and all this code
                        // becomes obsolete.
                        DataRow snapshot = getSnapshot(object.getObjectId());

                        DataRowUtils.refreshObjectWithSnapshot(
                                descriptor,
                                object,
                                snapshot,
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                    + oid
                    + ", as it is a temporary id.");
        }

        synchronized (getObjectStore()) {
            DataObject object = (DataObject) objectStore.getNode(oid);

            // clean up any cached data for this object
            if (object != null) {
                this.invalidateObjects(Collections.singleton(object));
            }
        }

        DataObject object = (DataObject) DataObjectUtils.objectForQuery(
                this,
                new ObjectIdQuery(oid));

        if (object == null) {
            throw new CayenneRuntimeException(
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                    // do not take the snapshot until generated columns are processed (see
                    // code above)
                    DataRow dataRow = parent.getContext().currentSnapshot(object);

                    if (object instanceof DataObject) {
                        DataObject dataObject = (DataObject) object;
                        dataRow.setReplacesVersion(dataObject.getSnapshotVersion());
                        dataObject.setSnapshotVersion(dataRow.getVersion());
                    }

                    modifiedSnapshots.put(finalId, dataRow);

                    // update Map reverse relationships
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                // TODO: andrus 3/23/2006 snapshot versions are obsolete, but there is no
                // replacement yet, so we still need to handle them...
                if (object instanceof DataObject) {

                    DataObject dataObject = (DataObject) object;
                    DataRow snapshot = getCachedSnapshot((ObjectId) nodeId);

                    if (snapshot != null
                            && snapshot.getVersion() != dataObject.getSnapshotVersion()) {
                        DataContextDelegate delegate = context.nonNullDelegate();
                        if (delegate.shouldMergeChanges(dataObject, snapshot)) {
                            ClassDescriptor descriptor = context
                                    .getEntityResolver()
                                    .getClassDescriptor(
                                            ((ObjectId) nodeId).getEntityName());
                            DataRowUtils.forceMergeWithSnapshot(
                                    context,
                                    descriptor,
                                    dataObject,
                                    snapshot);
                            dataObject.setSnapshotVersion(snapshot.getVersion());
                            delegate.finishedMergeChanges(dataObject);
                        }
                    }
                }
            }
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        // context...
        Persistent object = objectMap.get(nodeId);

        if (object != null) {

            DataObject dataObject = (object instanceof DataObject)
                    ? (DataObject) object
                    : null;

            DataContextDelegate delegate;
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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
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        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
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     */
    void processUpdatedSnapshot(Object nodeId, DataRow diff) {

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

        // no object, or HOLLOW object require no processing
        if (object != null) {

            int state = object.getPersistenceState();
            if (state != PersistenceState.HOLLOW) {

                // perform same steps as resolveHollow()
                if (state == PersistenceState.COMMITTED) {
                    // consult delegate if it exists
                    DataContextDelegate delegate = context.nonNullDelegate();
                    if (delegate.shouldMergeChanges(object, diff)) {
                        ClassDescriptor descriptor = context
                                .getEntityResolver()
                                .getClassDescriptor(((ObjectId) nodeId).getEntityName());

                        // TODO: andrus, 5/26/2006 - call to 'getSnapshot' is expensive,
                        // however my attempts to merge the 'diff' instead of snapshot
                        // via 'refreshObjectWithSnapshot' resulted in even worse
                        // performance.
                        // This sounds counterintuitive (Not sure if this is some HotSpot
                        // related glitch)... still keeping the old algorithm here until
                        // we
                        // switch from snapshot events to GraphEvents and all this code
                        // becomes obsolete.
                        DataRow snapshot = getSnapshot(object.getObjectId());

                        DataRowUtils.refreshObjectWithSnapshot(
                                descriptor,
                                object,
                                snapshot,
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Related Classes of org.apache.cayenne.DataObject

  • org.apache.cayenne.access.ChildDiffLoader
  • org.apache.cayenne.access.DataContext
  • org.apache.cayenne.access.DataContextDeleteAction
  • org.apache.cayenne.access.DataContextExtrasTest
  • org.apache.cayenne.access.DataContextObjectTrackingTest
  • org.apache.cayenne.access.DataContextPrefetchExtrasTest
  • org.apache.cayenne.access.DataContextPrefetchTest
  • org.apache.cayenne.access.DataContextTest
  • org.apache.cayenne.access.DataDomainDeleteBucket
  • org.apache.cayenne.access.DataDomainInsertBucket
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