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