Reinforcement Learning Toolbox

00001 // Copyright (C) 2003
00002 // Gerhard Neumann (gneumann@gmx.net)
00003 // Stephan Neumann (sneumann@gmx.net) 
00004 //                
00005 // This file is part of RL Toolbox.
00006 // http://www.igi.tugraz.at/ril_toolbox
00007 //
00008 // All rights reserved.
00009 // 
00010 // Redistribution and use in source and binary forms, with or without
00011 // modification, are permitted provided that the following conditions
00012 // are met:
00013 // 1. Redistributions of source code must retain the above copyright
00014 //    notice, this list of conditions and the following disclaimer.
00015 // 2. Redistributions in binary form must reproduce the above copyright
00016 //    notice, this list of conditions and the following disclaimer in the
00017 //    documentation and/or other materials provided with the distribution.
00018 // 3. The name of the author may not be used to endorse or promote products
00019 //    derived from this software without specific prior written permission.
00020 // 
00021 // THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
00022 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00023 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
00024 // IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
00025 // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
00026 // NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
00027 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
00028 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00029 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
00030 // THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00031 
00032 #ifndef CERRORLISTENER_H
00033 #define CERRORLISTENER_H
00034 
00035 #include "cparameters.h"
00036 
00037 class CState;
00038 class CStateCollection;
00039 class CAction;
00040 class CActionData;
00041 class CAbstractVFunction;
00042 class CAbstractQFunction;
00043 
00044 class CErrorListener : virtual public CParameterObject
00045 {
00046 public:
00047         virtual void receiveError(double error, CStateCollection *state, CAction *action, CActionData *data = NULL) = 0;
00048 };
00049 
00050 class CErrorSender
00051 {
00052 protected:
00053         std::list<CErrorListener *> *errorListeners;
00054 public:
00055         CErrorSender();
00056         virtual ~CErrorSender();
00057 
00058         void sendErrorToListeners(double error, CStateCollection *state, CAction *action, CActionData *data = NULL);
00059 
00060         void addErrorListener(CErrorListener *listener);
00061         void removeErrorListener(CErrorListener *listener);
00062 };
00063 
00064 class CStateErrorLearner : public CErrorListener
00065 {
00066 protected:
00067         CAbstractVFunction *stateErrors;
00068 public:
00069         CStateErrorLearner(CAbstractVFunction *stateErrors);
00070 
00071         virtual void receiveError(double error, CStateCollection *state, CAction *action, CActionData *data = NULL);
00072 };
00073 
00074 class CStateActionErrorLearner : public CErrorListener
00075 {
00076 protected:
00077         CAbstractQFunction *stateActionErrors;
00078 public:
00079         CStateActionErrorLearner(CAbstractQFunction *stateActionErrors);
00080 
00081         virtual void receiveError(double error, CStateCollection *state, CAction *action, CActionData *data = NULL);
00082 
00083 };
00084 
00085 #endif
cerrorlistener.h
