/**
  * updates the number of the trial
  *
  * @param nrTrial is the number of the trial
  */
 private void updateTrialNumber(int nrTrial, VectorTimestamp vt) throws RemoteException {
   repository.updateTrialNumber(nrTrial, vt);
 }
 /**
  * Say if the a game was ended by a knock out
  *
  * @param nrGame is the number of the game
  * @param nrTrial is the number of the trial
  * @param team is the name of the team
  */
 private void isKnockOut(int nrGame, int nrTrial, String team, VectorTimestamp vt)
     throws RemoteException {
   repository.isKnockOut(nrGame, nrTrial, team, vt);
 }
 /**
  * updates the number of the game
  *
  * @param nrGame is the number of the game
  */
 private void updateGameNumber(int nrGame, VectorTimestamp vt) throws RemoteException {
   repository.updateGameNumber(nrGame, vt);
 }
 /**
  * updates referee current state
  *
  * @param state is the current referee state
  */
 private void updateRefState(ERefereeState state, VectorTimestamp vt) throws RemoteException {
   repository.updateRefState(state, vt);
 }