CbcEventHandler.hpp

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/*
  Copyright (C) 2006, International Business Machines Corporation and others.
  All Rights Reserved.
 
  This code is licensed under the terms of the Eclipse Public License (EPL).
 
  $Id$
*/
 
#ifndef CbcEventHandler_H
#define CbcEventHandler_H
 
#include <cstddef>
#include <map>
 
/* May well already be declared, but can't hurt. */
 
class CbcModel;
 
/*
  cvs/svn: $Id$
*/
 
class CbcEventHandler {
 
public:
  enum CbcEvent { 
    node = 200,
    treeStatus,
    solution,
    heuristicSolution,
    beforeSolution1,
    beforeSolution2,
    afterHeuristic,
    smallBranchAndBound,
    heuristicPass,
    convertToCuts,
    generatedCuts,
    endSearch,
    afterRootCuts
  };
 
  enum CbcAction { 
    noAction = -1,
    stop = 0,
    restart,
    restartRoot,
    addCuts,
    killSolution,
    takeAction
 
  };
 
  typedef std::map< CbcEvent, CbcAction > eaMapPair;
 
 
  virtual CbcAction event(CbcEvent whichEvent);
 
  virtual CbcAction event(CbcEvent whichEvent, void *data);
 
 
 
  CbcEventHandler(CbcModel *model = 0 /* was NULL but 4.6 complains */);
 
  CbcEventHandler(const CbcEventHandler &orig);
 
  CbcEventHandler &operator=(const CbcEventHandler &rhs);
 
  virtual CbcEventHandler *clone() const;
 
  virtual ~CbcEventHandler();
 
 
 
  inline void setModel(CbcModel *model)
  {
    model_ = model;
  }
 
  inline const CbcModel *getModel() const
  {
    return model_;
  }
 
  inline void setDfltAction(CbcAction action)
  {
    dfltAction_ = action;
  }
 
  inline void setAction(CbcEvent event, CbcAction action)
  {
    if (eaMap_ == 0) {
      eaMap_ = new eaMapPair;
    }
    (*eaMap_)[event] = action;
  }
 
 
protected:
 
  CbcModel *model_;
 
  CbcAction dfltAction_;
 
  eaMapPair *eaMap_;
 
};
 
#endif
 
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