public void rollback(IProgressMonitor monitor) throws Exception {
   if (noChange) return;
   monitor.beginTask(Messages.WriteFeatureChangesCommand_rollbackTask, IProgressMonitor.UNKNOWN);
   if (added) {
     store.removeFeatures(filter);
   } else {
     FeatureType featureType = this.editFeature.getFeatureType();
     store.modifyFeatures(
         featureType.getAttributeTypes(),
         this.editFeature.getAttributes(new Object[featureType.getAttributeCount()]),
         filter);
   }
 }
  /** @see net.refractions.udig.project.internal.command.MapCommand#run() */
  @SuppressWarnings("deprecation")
  public void run(IProgressMonitor monitor) throws Exception {
    monitor.beginTask(Messages.WriteFeatureChangesCommand_runTask, 3);
    SubProgressMonitor subProgressMonitor = new SubProgressMonitor(monitor, 1);
    editFeature = featureProvider.get(subProgressMonitor);
    subProgressMonitor.done();
    store = storeProvider.get(subProgressMonitor);
    if (editFeature == null || store == null) {
      noChange = true;
      return;
    }

    FeatureType featureType = editFeature.getFeatureType();
    FilterFactory factory = FilterFactoryFinder.createFilterFactory();
    subProgressMonitor = new SubProgressMonitor(monitor, 1);
    subProgressMonitor.done();
    filter = factory.createFidFilter(editFeature.getID());
    FeatureCollection results = store.getFeatures(filter);

    FeatureIterator reader = results.features();
    try {
      if (reader.hasNext()) {
        try {
          store.modifyFeatures(
              featureType.getAttributeTypes(),
              editFeature.getAttributes(new Object[featureType.getAttributeCount()]),
              filter);
        } catch (Exception e) {
          ProjectPlugin.log("", e); // $NON-NLS-1$
          noChange = true;
        }

      } else {
        added = true;
        store.addFeatures(
            new StaticFeatureCollection(Collections.singleton(editFeature), featureType));
      }
    } finally {
      if (reader != null) reader.close();
    }
  }