AlpsKnowledgePool.h

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/*===========================================================================*
 * This file is part of the Abstract Library for Parallel Search (ALPS).     *
 *                                                                           *
 * ALPS is distributed under the Eclipse Public License as part of the       *
 * COIN-OR repository (http://www.coin-or.org).                              *
 *                                                                           *
 * Authors:                                                                  *
 *                                                                           *
 *          Yan Xu, Lehigh University                                        *
 *          Aykut Bulut, Lehigh University                                   *
 *          Ted Ralphs, Lehigh University                                    *
 *                                                                           *
 * Conceptual Design:                                                        *
 *                                                                           *
 *          Yan Xu, Lehigh University                                        *
 *          Ted Ralphs, Lehigh University                                    *
 *          Laszlo Ladanyi, IBM T.J. Watson Research Center                  *
 *          Matthew Saltzman, Clemson University                             *
 *                                                                           *
 *                                                                           *
 * Copyright (C) 2001-2023, Lehigh University, Yan Xu, Aykut Bulut, and      *
 *                          Ted Ralphs.                                      *
 * All Rights Reserved.                                                      *
 *===========================================================================*/
 
 
#ifndef AlpsKnowledgePool_h_
#define AlpsKnowledgePool_h_
 
// STL headers
#include <climits>
#include <iostream>
#include <vector>
 
// CoinUtils headers
#include "CoinError.hpp"
 
// Alps headers
#include "AlpsKnowledge.h"
 
class AlpsKnowledgePool {
  AlpsKnowledgePoolType type_;
 
public:
 
  AlpsKnowledgePool(AlpsKnowledgePoolType type) { type_ = type; }
  virtual ~AlpsKnowledgePool() {}
 
 
  virtual int getNumKnowledges() const = 0;
  virtual std::pair<AlpsKnowledge*, double> getKnowledge() const = 0;
  virtual bool hasKnowledge() const = 0;
  virtual int getMaxNumKnowledges() const = 0;
  virtual std::pair<AlpsKnowledge*, double> getBestKnowledge() const = 0;
  virtual void getAllKnowledges (std::vector<std::pair<AlpsKnowledge*,
                                 double> >& kls) const = 0;
 
 
  virtual void addKnowledge(AlpsKnowledge * nk, double priority) = 0;
  virtual void popKnowledge() = 0;
 
 
  virtual void setMaxNumKnowledges(int num) = 0;
 
private:
  AlpsKnowledgePool(AlpsKnowledgePool const &);
  AlpsKnowledgePool & operator=(AlpsKnowledgePool const &);
};
 
#endif