IEvent.h

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/*
 * Copyright (C) 2007-2010 RobotCub Consortium, European Commission FP6 Project IST-004370
 * author:  Arjan Gijsberts
 * email:   arjan.gijsberts@iit.it
 * website: www.robotcub.org
 * Permission is granted to copy, distribute, and/or modify this program
 * under the terms of the GNU General Public License, version 2 or any
 * later version published by the Free Software Foundation.
 *
 * A copy of the license can be found at
 * http://www.robotcub.org/icub/license/gpl.txt
 *
 * 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
 */
 
#ifndef LM_EVENT__
#define LM_EVENT__
 
#include <string>
 
namespace iCub {
namespace learningmachine {
 
// forward declaration to solve circular reference
class IEventListener;
 
class IEvent {
protected:
 
 
public:
    virtual std::string toString() = 0;
 
    virtual void visit(IEventListener& listener) = 0;
 
};
 
} // learningmachine
} // iCub
 
#endif