@Override
 public void setLockBehaviourEnabled(boolean enabled) {
   PersistenceManagerService persistenceManagerService =
       _servicesManager.getService(PersistenceManagerService.class);
   if (enabled) {
     persistenceManagerService.enableBehaviour(ContentModel.ASPECT_LOCKABLE);
   } else {
     persistenceManagerService.disableBehaviour(ContentModel.ASPECT_LOCKABLE);
   }
 }