/* $Id$ */
// Copyright (C) 2003, International Business Machines
// Corporation and others.  All Rights Reserved.
// This code is licensed under the terms of the Eclipse Public License (EPL).

#ifndef MyMessageHandler_H
#define MyMessageHandler_H

#include <deque>

#include "CoinPragma.hpp"
#include <stdio.h>
#include "CoinMessageHandler.hpp"

/** This just adds a model to CoinMessage and a void pointer so
    user can trap messages and do useful stuff.
    This is used in Clp/Test/unitTest.cpp

    The file pointer is just there as an example of user stuff.
    In practice you might have

*/
class ClpSimplex;

typedef std::vector< double > StdVectorDouble;

class MyMessageHandler : public CoinMessageHandler {

public:
  /**@name Overrides */
  //@{
  virtual int print();
  //@}
  /**@name set and get */
  //@{
  /// Model
  const ClpSimplex *model() const;
  void setModel(ClpSimplex *model);
  /// Get queue of feasible extreme points
  const std::deque< StdVectorDouble > &getFeasibleExtremePoints() const;
  /// Empty queue of feasible extreme points
  void clearFeasibleExtremePoints();
  //@}

  /**@name Constructors, destructor */
  //@{
  /** Default constructor. */
  MyMessageHandler();
  /// Constructor with pointer to model
  MyMessageHandler(ClpSimplex *model,
    FILE *userPointer = NULL);
  /** Destructor */
  virtual ~MyMessageHandler();
  //@}

  /**@name Copy method */
  //@{
  /** The copy constructor. */
  MyMessageHandler(const MyMessageHandler &);
  /** The copy constructor from an CoinSimplexMessageHandler. */
  MyMessageHandler(const CoinMessageHandler &);

  MyMessageHandler &operator=(const MyMessageHandler &);
  /// Clone
  virtual CoinMessageHandler *clone() const;
  //@}

protected:
  /**@name Data members
        The data members are protected to allow access for derived classes. */
  //@{
  /// Pointer back to model
  ClpSimplex *model_;
  /// Saved extreme points
  std::deque< StdVectorDouble > feasibleExtremePoints_;
  /// Iteration number so won't do same one twice
  int iterationNumber_;
  //@}
};

#endif

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