MIObserver.h

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#if !defined(MINUITINTERFACE_MIOBSERVER_H)
#define MINUITINTERFACE_MIOBSERVER_H

// This file is a part of MinuitInterface - a front end for the Minuit minimization
//       package (Minuit itself was authored by Fred James, of CERN)
// 
// 
// Copyright Cornell University 1993, 1996, All Rights Reserved.
// 
// This software written by Lawrence Gibbons, Cornell University.
// 
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1. Redistributions of source code must retain the above copyright
//    notice and author attribution, this list of conditions and the
//    following disclaimer. 
// 2. Redistributions in binary form must reproduce the above copyright
//    notice and author attribution, this list of conditions and the
//    following disclaimer in the documentation and/or other materials
//    provided with the distribution.
// 3. Neither the name of the University nor the names of its contributors
//    may be used to endorse or promote products derived from this software
//    without specific prior written permission.
// 
// Creation of derivative forms of this software for commercial
// utilization may be subject to restriction; written permission may be
// obtained from Cornell University.
// 
// CORNELL MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED.  By way
// of example, but not limitation, CORNELL MAKES NO REPRESENTATIONS OR
// WARRANTIES OF MERCANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE OR THAT
// THE USE OF THIS SOFTWARE OR DOCUMENTATION WILL NOT INFRINGE ANY PATENTS,
// COPYRIGHTS, TRADEMARKS, OR OTHER RIGHTS.  Cornell University shall not be
// held liable for any liability with respect to any claim by the user or any
// other party arising from use of the program.
//

class MISubject;

class MIObserver {
   
public:
      
   MIObserver() {}
   virtual ~MIObserver() {}
   
   virtual void update( const MISubject* ) = 0;
   
protected:
      
private:
   
      // --------- member data ----------
   
};

#endif