/**
   * convert connector to transition; add the transition to net composition model;
   *
   * @param connector
   */
  private void convertSamConnectorToTransition(Connector connector) {
    Transition tempTransition = null;

    String transName = connector.getName();
    String netCompositionFormla = connector.getNetCompositionFormla();

    tempTransition = new Transition(0, 0);
    int id = this.netCompositionModel.getTransitions().length;
    tempTransition.setId(Integer.toString(id));
    tempTransition.setName(transName);
    tempTransition.setFormula(netCompositionFormla);
    // SUTODO:any other attributes to set while build a new transition???

    this.netCompositionModel.addPetriNetObject(tempTransition);
  }