basecode/Eref.h

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/**********************************************************************
** This program is part of 'MOOSE', the
** Messaging Object Oriented Simulation Environment.
**           Copyright (C) 2003-2009 Upinder S. Bhalla. and NCBS
** It is made available under the terms of the
** GNU Lesser General Public License version 2.1
** See the file COPYING.LIB for the full notice.
**********************************************************************/

#ifndef _EREF_H
#define _EREF_H

#ifdef  CYMOOSE

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

class Element;
class Id;
class ObjId;
class MsgDigest;

#endif     /* -----  CYMOOSE  ----- */

class Eref
{
    public:

        friend ostream& operator <<( ostream& s, const Eref& e );
        Eref();
        Eref( Element* e, unsigned int index, unsigned int field = 0 );

        char* data() const;

        Element* element() const {
            return e_;
        }

        unsigned int dataIndex() const {
            return i_;
        }

        unsigned int fieldIndex() const {
            return f_;
        }

        ObjId objId() const;

        Id id() const;

        const vector< MsgDigest >& msgDigest(unsigned int bindIndex ) const;

        bool isDataHere() const;

        unsigned int getNode() const;
    private:
        Element* e_;
        unsigned int i_;
        unsigned int f_;
};

#endif // _EREF_H

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