Itemset.h

/**************************************************************************
 * Copyright (c) 2007 Clifford Conley Owens III                           *
 *                                                                        *
 * This file is part of Biorithm.                                         *
 *                                                                        *
 * Biorithm 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 3 of the License, or      *
 * (at your option) any later version.                                    *
 *                                                                        *
 * Biorithm 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 Biorithm.  If not, see <http://www.gnu.org/licenses/>.      *
 *                                                                        *
 **************************************************************************/

#ifndef ITEMSET_H
#define ITEMSET_H

// ---------------------------- External Headers ---------------------------- //

#include <vector>
#include <iostream>
#include <fstream>
using namespace std;

class Itemset
{
    protected:
        // The set of items
        vector<unsigned int> items;

    public:
        Itemset(unsigned int size = 0);
        Itemset(const Itemset& src);
        virtual ~Itemset();
        virtual Itemset& operator =(const Itemset& rhs);
        virtual unsigned int& operator [](unsigned int index);
        virtual unsigned int operator [](unsigned int index) const;
        virtual unsigned int operator <(const Itemset& rhs) const;
        virtual unsigned int getItem(unsigned int index) const;
        virtual void setItem(unsigned int index, unsigned int item);
        virtual unsigned int getSize() const;
        virtual void clear();
        virtual bool isEmpty() const;
        virtual void insertBack(unsigned int item);
        virtual void insertFront(unsigned int item);
        virtual void removeBack();
        virtual void removeFront();
        unsigned int getBack() const;
        unsigned int getFront() const;

        friend ostream &operator <<(ostream &out, const Itemset &token);
};



#endif