matchClassad.h

/*********************************************************************
 *
 * Condor ClassAd library
 * Copyright (C) 1990-2003, Condor Team, Computer Sciences Department,
 * University of Wisconsin-Madison, WI and Rajesh Raman.
 *
 * This source code is covered by the Condor Public License, which can
 * be found in the accompanying LICENSE file, or online at
 * www.condorproject.org.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * AND THE UNIVERSITY OF WISCONSIN-MADISON "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY, OF SATISFACTORY QUALITY, AND FITNESS
 * FOR A PARTICULAR PURPOSE OR USE ARE DISCLAIMED. THE COPYRIGHT
 * HOLDERS AND CONTRIBUTORS AND THE UNIVERSITY OF WISCONSIN-MADISON
 * MAKE NO MAKE NO REPRESENTATION THAT THE SOFTWARE, MODIFICATIONS,
 * ENHANCEMENTS OR DERIVATIVE WORKS THEREOF, WILL NOT INFRINGE ANY
 * PATENT, COPYRIGHT, TRADEMARK, TRADE SECRET OR OTHER PROPRIETARY
 * RIGHT.
 *
 *********************************************************************/

#ifndef __MATCH_CLASSAD_H__
#define __MATCH_CLASSAD_H__

#include "classad.h"

BEGIN_NAMESPACE( classad )


class MatchClassAd : public ClassAd
{
        public:
                MatchClassAd();
                MatchClassAd( ClassAd* al, ClassAd* ar );
                ~MatchClassAd();

                static MatchClassAd *MakeMatchClassAd( ClassAd* al, ClassAd* ar );

                bool InitMatchClassAd( ClassAd* al, ClassAd *ar );

                bool ReplaceLeftAd( ClassAd *al );

                bool ReplaceRightAd( ClassAd *ar );

                ClassAd *GetLeftAd();

                ClassAd *GetRightAd();

                ClassAd *GetLeftContext( );

                ClassAd *GetRightContext( );

                ClassAd *RemoveLeftAd( );

                ClassAd *RemoveRightAd( );

        protected:
                const ClassAd *ladParent, *radParent;
                ClassAd *lCtx, *rCtx, *lad, *rad;

    private:
        // The copy constructor and assignment operator are defined
        // to be private so we don't have to write them, or worry about
        // them being inappropriately used. The day we want them, we can 
        // write them. 
        MatchClassAd(const MatchClassAd &match)            { return;       }
        MatchClassAd &operator=(const MatchClassAd &match) { return *this; }

};

END_NAMESPACE // classad

#endif