GroupAction ga = new GroupAction();
ga.add(action);
ClassFile cf = getClassFile(targetFile);
ga.add(new MarkClassFileModifiedAction(this.project, targetFile, cf));
um.add(ga);
ga.execute();
} else {
um.add(action);
action.execute();
}
this.dispatcher.notifyObservers(new Event(EventType.CLASS_UPDATE));