AIKBHashTable.h

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//    Copyright (C) 2007 Dylan Blair
//
//    email: dblair@alumni.cs.utexas.edu
//
//    This library is free software; you can redistribute it and/or
//    modify it under the terms of the GNU Lesser General Public
//    License as published by the Free Software Foundation; either
//    version 2.1 of the License, or (at your option) any later version.
//
//    This library 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
//    Lesser General Public License for more details.
//
//    You should have received a copy of the GNU Lesser General Public
//    License along with this library; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

#ifndef AIKBHASH_TABLE_H
#define AIKBHASH_TABLE_H

#include "AIKB.h"

#include "../Utils_LIB/UHash.h"

namespace OpenSkyNet {
    namespace AI {
        class KBHashTable : public KB {
            OpenSkyNet::Utils::HashTableUIntKeys<std::list<Record> > _records;
            int _size;
        public:
            KBHashTable() : _records(OpenSkyNet::Utils::INITIAL_TABLE_SIZE,
                std::list<Record>()), _size(0) {}
            KBHashTable(int maxRecords_, unsigned int reservedRecords_, 
                unsigned int initParamsSizeOfReservedRecords_) : KB(maxRecords_,
                reservedRecords_,initParamsSizeOfReservedRecords_), 
                _records(OpenSkyNet::Utils::INITIAL_TABLE_SIZE,
                std::list<Record>()), _size(0) {}
            virtual ~KBHashTable() {}

            virtual bool add(const Record& record_, bool disallowIfPremNameExists_=false);
            virtual void remove(const Record& record_, bool all_, int numOfParamsToCheck_=-1);
            virtual const std::list<Record>& find(const Record& record_);
            virtual bool isEmpty() const;
            virtual void clear();
            virtual int size() const;
            virtual float calcStateScore(int stateId_) const;
        };
    }
}

#endif //AIKBHASH_TABLE_H