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recordsetiterator.h

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/*
   This file is part of the KDB libraries
   Copyright (c) 2000 Praduroux Alessandro <pradu@thekompany.com>
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 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
   Library General Public License for more details.
 
   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.
*/     
#ifndef RECORDSETITERATOR_H
#define RECORDSETITERATOR_H

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "object.h"
#include "record.h"

namespace KDB {

class Recordset;
class Handler;

class RecordsetIterator: public Object {

    Q_OBJECT

 public:
    RecordsetIterator();
    RecordsetIterator( Recordset *rec, Handler *handler);
    RecordsetIterator( const RecordsetIterator &iter);

    ~RecordsetIterator();

    RecordsetIterator& operator =(const RecordsetIterator &iter);
    RecordPtr operator ->() const;
    RecordPtr current() const;
    RecordPtr operator*() const;

    RecordPtr operator ++(int);
    RecordPtr operator ++();

    void moveFirst();
    void moveLast();
    void moveTo(unsigned long long pos);

 protected slots:
    void recordsetChanged();

 private:
 
    Handler *m_handler;
    Recordset *m_rset;
    unsigned long long m_pos;
    
};
 
} 
#endif

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