/*=========================================================================                                                                               
Program:   bbtk
Module:    $RCSfile$
Language:  C++
Date:      $Date$
Version:   $Revision$
=========================================================================*/

/* ---------------------------------------------------------------------

* Copyright (c) CREATIS-LRMN (Centre de Recherche en Imagerie Medicale)
* Authors : Eduardo Davila, Laurent Guigues, Jean-Pierre Roux
*
*  This software is governed by the CeCILL-B license under French law and 
*  abiding by the rules of distribution of free software. You can  use, 
*  modify and/ or redistribute the software under the terms of the CeCILL-B 
*  license as circulated by CEA, CNRS and INRIA at the following URL 
*  http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html 
*  or in the file LICENSE.txt.
*
*  As a counterpart to the access to the source code and  rights to copy,
*  modify and redistribute granted by the license, users are provided only
*  with a limited warranty  and the software's author,  the holder of the
*  economic rights,  and the successive licensors  have only  limited
*  liability. 
*
*  The fact that you are presently reading this means that you have had
*  knowledge of the CeCILL-B license and that you accept its terms.
* ------------------------------------------------------------------------ */                                                                         



/**
*  \file 
*  \brief Class bbtk::Observer : abstract black-box interface. 
*/

/**
* \class bbtk::Observer
* \brief 
*/

/****
* Design and Developpement of BBTK GEditor
* Ricardo A Corredor J <ra.corredor67@uniandes.edu.co>
* RaC - 2010
****/

#ifndef __Observer_h__
#define __Observer_h__

//Includes std
#include <iostream>

namespace bbtk
{

	class Observer 
	{

	public: 

		//Constructors
		Observer();
		~Observer();
		
		//Public methods

		// It is possible to notify the observers with an specific command (See GlobalConstants.h), for example, 
		// to initialize the contour creation INIT_CREATION_CONTOUR
		virtual void update(int idController,int command);
		
		
	private:

		//Private Attributes

		//Private Methods

	protected:
		
		//Protected Attributes
		
		//Protected methods
		
	};


}
// namespace bbtk
#endif