public void removingFromBlackboard(Subscriber s) { super.removingFromBlackboard(s);
public void removingFromBlackboard(Subscriber s, boolean commit) { super.removingFromBlackboard(s, commit); Blackboard.getTracker().checkpoint(commit, asset,"getRoleSchedule"); if (!commit) return;
  public void removingFromBlackboard(Subscriber s) {    super.removingFromBlackboard(s);    // check for conflicts    removeFromRoleSchedule(asset);  }