/*
  AbstractMO  -  abstract base class for all Media Objects

  Copyright (C)         Lumiera.org
    2008,               Hermann Vosseler <Ichthyostega@web.de>

  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; either version 2 of
  the License, or (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

* *****************************************************/


#include "proc/mobject/session/abstractmo.hpp"
#include "lib/util.hpp"

#include <boost/format.hpp>

using util::isnil;
using boost::format;

namespace proc {
namespace mobject {
namespace session {
  
  /** default/fallback implementation of equality
   *  using literal object identity (same address).
   *  Required to enable handling by lumiera::P
   */
  bool
  AbstractMO::operator== (const MObject& oo)  const
  {
    return (this == &oo);
  }
  
  
  
  string
  AbstractMO::buildShortID (lib::Literal typeID, string suffix)  const
  {
    static uint i=0;
    static format namePattern ("%s.%03d");
    
    REQUIRE (!isnil (typeID));
    if (!isnil (suffix))
      return typeID+"."+suffix;
    else
      return str(namePattern % typeID % (++i) );
  }
  
  
}}} // namespace mobject::session
