CbcPartialNodeInfo.hpp

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// $Id$
// Copyright (C) 2002, International Business Machines
// Corporation and others.  All Rights Reserved.
// This code is licensed under the terms of the Eclipse Public License (EPL).
 
// Edwin 11/24/09 carved from CbcNode
 
#ifndef CbcPartialNodeInfo_H
#define CbcPartialNodeInfo_H
 
#include <string>
#include <vector>
 
#include "CoinWarmStartBasis.hpp"
#include "CoinSearchTree.hpp"
#include "CbcBranchBase.hpp"
#include "CbcNodeInfo.hpp"
 
class OsiSolverInterface;
class OsiSolverBranch;
 
class OsiCuts;
class OsiRowCut;
class OsiRowCutDebugger;
class CoinWarmStartBasis;
class CbcCountRowCut;
class CbcModel;
class CbcNode;
class CbcSubProblem;
class CbcGeneralBranchingObject;
 
class CbcPartialNodeInfo : public CbcNodeInfo {
 
public:
  virtual void applyToModel(CbcModel *model, CoinWarmStartBasis *&basis,
    CbcCountRowCut **addCuts,
    int &currentNumberCuts) const;

  virtual int applyBounds(int iColumn, double &lower, double &upper, int force);
  virtual CbcNodeInfo *buildRowBasis(CoinWarmStartBasis &basis) const;
  // Default Constructor
  CbcPartialNodeInfo();
 
  // Constructor from current state
  CbcPartialNodeInfo(CbcNodeInfo *parent, CbcNode *owner,
    int numberChangedBounds, const int *variables,
    const double *boundChanges,
    const CoinWarmStartDiff *basisDiff);
 
  // Copy constructor
  CbcPartialNodeInfo(const CbcPartialNodeInfo &);
 
  // Destructor
  ~CbcPartialNodeInfo();

  virtual CbcNodeInfo *clone() const;
  inline const CoinWarmStartDiff *basisDiff() const
  {
    return basisDiff_;
  }

  inline const int *variables() const
  {
    return variables_;
  }
  // New bound
  inline const double *newBounds() const
  {
    return newBounds_;
  }

  inline int numberChangedBounds() const
  {
    return numberChangedBounds_;
  }
 
protected:
  /* Data values */

  CoinWarmStartDiff *basisDiff_;
  int *variables_;
  // New bound
  double *newBounds_;
  int numberChangedBounds_;
 
private:
  CbcPartialNodeInfo &operator=(const CbcPartialNodeInfo &rhs);
};
 
#endif //CbcPartialNodeInfo_H
 
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