Resource_List*  WorkFlowManagement::required_res(  )
{
  Resource_List*  return_val =  new Resource_List() ;
  // outgoing calls
  this->required_res_( return_val );
  return return_val;
}
void WorkFlowManagement::required_res_
  ( Resource_List* & return_val )
{
  tasks ->required_res_( return_val );
}
void Task::required_res_
  ( Resource_List* & return_val )
{
  // variables for carrying in and out
  Resource_List*  r ;
  // assignments for carrying in
  r =  resources; ;
  // outgoing calls
  timing ->required_res_( return_val, r  );
}
void Timing::required_res_
  ( Resource_List* & return_val, Resource_List*  r  )
{
  startDate ->required_res_( return_val, r  );
}
void Date::required_res_
  ( Resource_List* & return_val, Resource_List*  r  )
{
}
void DateSelected::required_res_
  ( Resource_List* & return_val, Resource_List*  r  )
{
  // prefix blocks
 return_val -> concatenate(r); 
}
void Task_List::required_res_
  ( Resource_List* & return_val )
{
  // outgoing calls
  Task_list_iterator	next_Task(*this);
  Task*		each_Task;
  while ( each_Task = next_Task() )
  {
    each_Task->required_res_( return_val );
  }
}