HashIterator2D.h

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/*
 * $Revision: 2027 $
 * 
 * last checkin:
 *   $Author: gutwenger $ 
 *   $Date: 2010-09-01 11:55:17 +0200 (Wed, 01 Sep 2010) $ 
 ***************************************************************/
 
#ifdef _MSC_VER
#pragma once
#endif


#ifndef OGDF_HASHITERATOR2D_H
#define OGDF_HASHITERATOR2D_H


namespace ogdf {


template< class I1_, class I2_, class E_,
    class Hash1_ = DefHashFunc<I1_>,
    class Hash2_ = DefHashFunc<I2_> >
class HashConstIterator2D :
    private HashConstIterator<Tuple2<I1_,I2_>,E_,HashFuncTuple<I1_,I2_,Hash1_,Hash2_> >
{
public:
    HashConstIterator2D() {};

    HashConstIterator2D(const HashConstIterator2D<I1_,I2_,E_,Hash1_,Hash2_> &it)
        : HashConstIterator<Tuple2<I1_,I2_>,E_,HashFuncTuple<I1_,I2_,Hash1_,Hash2_> >(it) { }

    HashConstIterator2D(const HashConstIterator<Tuple2<I1_,I2_>,E_,HashFuncTuple<I1_,I2_,Hash1_,Hash2_> > &it)
        : HashConstIterator<Tuple2<I1_,I2_>,E_,HashFuncTuple<I1_,I2_,Hash1_,Hash2_> >(it) { }

    HashConstIterator2D<I1_,I2_,E_,Hash1_,Hash2_> &
        operator=(const HashConstIterator2D<I1_,I2_,E_,Hash1_,Hash2_> &it)
    {
        HashConstIterator<Tuple2<I1_,I2_>,E_,HashFuncTuple<I1_,I2_,Hash1_,Hash2_> >::operator=(it);
        return *this;
    }

    bool valid() const {
        return HashConstIterator<Tuple2<I1_,I2_>,E_,HashFuncTuple<I1_,I2_,Hash1_,Hash2_> >::valid();
    }

    const I1_ &key1() const {
        return HashConstIterator<Tuple2<I1_,I2_>,E_,HashFuncTuple<I1_,I2_,Hash1_,Hash2_> >::key().x1();
    }

    const I2_ &key2() const {
        return HashConstIterator<Tuple2<I1_,I2_>,E_,HashFuncTuple<I1_,I2_,Hash1_,Hash2_> >::key().x2();
    }

    const E_ &info() const {
        return HashConstIterator<Tuple2<I1_,I2_>,E_,HashFuncTuple<I1_,I2_,Hash1_,Hash2_> >::info();
    }

    HashConstIterator2D<I1_,I2_,E_,Hash1_,Hash2_> &operator++() {
        HashConstIterator<Tuple2<I1_,I2_>,E_,HashFuncTuple<I1_,I2_,Hash1_,Hash2_> >::operator++();
        return *this;
    }
};

}



#endif