public void changeAssemblyLineStatus(AssemblyLine assemblyLine, String status) {
   if (status.equalsIgnoreCase(assemblyLine.getBrokenState().toString()))
     assemblyLine.transitionToBroken();
   if (status.equalsIgnoreCase(assemblyLine.getMaintenanceState().toString()))
     assemblyLine.transitionToMaintenance();
   if (status.equalsIgnoreCase(assemblyLine.getOperationalState().toString()))
     assemblyLine.transitionToOperational();
 }