/*
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 * 
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 * Please add additional copyright information _after_ the line containing
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 * 
 * GSMP: dam/include/template/State.tcc
 * General Sound Manipulation Program is Copyright (C) 2000 - 2004
 *   Valentin Ziegler and René Rebe
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2. A copy of the GNU General
 * Public License can be found in the file LICENSE.
 * 
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANT-
 * ABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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 */

#ifndef DAM__STATE_TMPL__
#error "This file is included by State.hh."
#error "Include that file instead." 
#endif


namespace DAM
{

  template <typename STATES, typename WL_TRAITS>
  Automaton <STATES, WL_TRAITS>::Automaton (Master* i_master)
    : m_logger (this)
  {
    m_master = i_master;
    current_state = STATES::start;
    state_changing = false;
    Q_LOG(m_logger) << "states from " << FilteredTypeName <STATES> () << " with master "
          << m_master << " current is " << STATES::FullState (current_state).name << std::endl;
  }

  template <typename STATES, typename WL_TRAITS>
  Automaton <STATES, WL_TRAITS>::~Automaton ()
  {
    Terminated (m_master);
  }


  template <typename STATES, typename WL_TRAITS>
  void Automaton <STATES, WL_TRAITS>::SetState (state_id id)
  {
    if (m_logger.DoWarn ())
      if (state_changing)
	Q_WARN(m_logger) << "SetState ( " << STATES::FullState (id).name << " ) called while switching to state "
	     << STATES::FullState (current_state).name << std::endl;

    state_changing = true;
    current_state = id;

    Q_LOG(m_logger) << "switching to state " << STATES::FullState (current_state).name << std::endl;
    
    StateChanged (m_master, current_state );
    state_changing = false;
  }


  template <typename STATES, typename WL_TRAITS>
  void Automaton <STATES, WL_TRAITS>::Notify (notif_id id, const NotificationData& data)
  {
    Q_LOG(m_logger)<< "sending notification " << STATES::FullNotification (id).name << std::endl;
    
    Notification (m_master, id, data);
  }

  template <typename STATES, typename WL_TRAITS>
  bool Automaton <STATES, WL_TRAITS>::Ask (query_id id, const QueryData& data)
  {
    Q_LOG(m_logger) << "request for " << STATES::FullQuery (id).name << std::endl;
    
    bool result = Question (m_master, id, data);

    Q_LOG(m_logger) << "result for " << STATES::FullQuery (id).name << " is " << result << std::endl;

    return result;
  }


} // end namespace DAM