CbcNWay.hpp

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// Edwin 11/9/2009-- carved out of CbcBranchActual
#ifndef CbcNWay_H
#define CbcNWay_H

class CbcNWay : public CbcObject {

public:

    // Default Constructor
    CbcNWay ();

    CbcNWay (CbcModel * model, int numberMembers,
             const int * which, int identifier);

    // Copy constructor
    CbcNWay ( const CbcNWay &);

    virtual CbcObject * clone() const;

    CbcNWay & operator=( const CbcNWay& rhs);

    virtual ~CbcNWay ();

    void setConsequence(int iColumn, const CbcConsequence & consequence);

    void applyConsequence(int iSequence, int state) const;

    virtual double infeasibility(const OsiBranchingInformation * info,
                                 int &preferredWay) const;

    using CbcObject::feasibleRegion ;
    virtual void feasibleRegion();

    virtual CbcBranchingObject * createCbcBranch(OsiSolverInterface * solver, const OsiBranchingInformation * info, int way) ;

    inline int numberMembers() const {
        return numberMembers_;
    }

    inline const int * members() const {
        return members_;
    }
    virtual void redoSequenceEtc(CbcModel * model, int numberColumns, const int * originalColumns);

protected:
    int numberMembers_;

    int * members_;
    CbcConsequence ** consequence_;
};
class CbcNWayBranchingObject : public CbcBranchingObject {

public:

    // Default Constructor
    CbcNWayBranchingObject ();

    CbcNWayBranchingObject (CbcModel * model,  const CbcNWay * nway,
                            int numberBranches, const int * order);

    // Copy constructor
    CbcNWayBranchingObject ( const CbcNWayBranchingObject &);

    // Assignment operator
    CbcNWayBranchingObject & operator=( const CbcNWayBranchingObject& rhs);

    virtual CbcBranchingObject * clone() const;

    // Destructor
    virtual ~CbcNWayBranchingObject ();

    using CbcBranchingObject::branch ;
    virtual double branch();

#ifdef JJF_ZERO
    // FIXME: what do we need to do here?
    virtual void previousBranch();
#endif

    using CbcBranchingObject::print ;
    virtual void print();
    virtual int numberBranches() const {
        return numberInSet_;
    }
    virtual bool twoWay() const {
        return false;
    }

    virtual CbcBranchObjType type() const {
        return NWayBranchObj;
    }

    virtual int compareOriginalObject(const CbcBranchingObject* brObj) const;

    virtual CbcRangeCompare compareBranchingObject
    (const CbcBranchingObject* brObj, const bool replaceIfOverlap = false);

private:
    int * order_;
    const CbcNWay * object_;
    int numberInSet_;
};
#endif