AlpsParams.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                                        *
 *          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) 2001-2013, Lehigh University, Yan Xu, and Ted Ralphs.       *
 *===========================================================================*/

#ifndef AlpsParams_h
#define AlpsParams_h

#include "AlpsKnowledge.h"
#include "AlpsParameterBase.h"

// TODO: remove largeSize, mediumSize, smallSize

//#############################################################################

//class AlpsEncoded;

//** Parameters used in Alps. */
class AlpsParams : public AlpsParameterSet {
 public:
  enum boolParams
  {
      checkMemory,
      deleteDeadNode,
      interClusterBalance,
      intraClusterBalance,
      printSolution,
      /***/
      endOfBoolParams
  };

  enum intParams
  {
      bufSpare,
      clockType,
      eliteSize,
      hubInitNodeNum,
      hubMsgLevel,
      hubNum,
      largeSize,
      logFileLevel,
      masterInitNodeNum,
      masterReportInterval,
      hubWorkClusterSizeLimit,
      mediumSize,
      msgLevel,
      nodeLimit,
      nodeLogInterval,
      printSystemStatus,
      processNum,
      staticBalanceScheme,
      searchStrategy,
      searchStrategyRampUp,
      smallSize, 
      solLimit,
      unitWorkNodes,
      workerMsgLevel,
      endOfIntParams
  };
  
  enum dblParams
  {
      changeWorkThreshold,
      donorThreshold,
      hubReportPeriod,
      masterBalancePeriod,
      needWorkThreshold,
      receiverThreshold,
      timeLimit,
      tolerance,
      unitWorkTime, 
      zeroLoad,
      /***/
      endOfDblParams
  };

  enum strParams
  {
      instance,
      logFile,
      endOfStrParams
  };

  enum strArrayParams
  {
      // The dummy is needed so the allocation won't try for 0 entries.
      strArrayDummy,
      endOfStrArrayParams
  };

 public:

  AlpsParams() :
      AlpsParameterSet(
          static_cast<int>(endOfBoolParams),
          static_cast<int>(endOfIntParams),
          static_cast<int>(endOfDblParams),
          static_cast<int>(endOfStrParams),
          static_cast<int>(endOfStrArrayParams)
          )
  {
      createKeywordList();
      setDefaultEntries();
  }
      virtual ~AlpsParams(){  }
      
  
      AlpsParams& operator=(const AlpsParams& x) {
          // no need to delete anything, since the size of (almost) everything is
          // the same, just copy over
          // -- The static_cast is needed to satisfy the more picky IBM Visual Age
          //    C++ compiler
          std::copy(x.bpar_, x.bpar_ + static_cast<int>(endOfBoolParams),
                    bpar_);
          std::copy(x.ipar_, x.ipar_ + static_cast<int>(endOfIntParams),
                    ipar_);
          std::copy(x.dpar_, x.dpar_ + static_cast<int>(endOfDblParams),
                    dpar_);
          std::copy(x.spar_, x.spar_ + static_cast<int>(endOfStrParams),
                    spar_);
          std::copy(x.sapar_,
                    x.sapar_ + static_cast<int>(endOfStrArrayParams),
                    sapar_);
          return *this;
      }
      
      virtual void createKeywordList();
      virtual void setDefaultEntries();

public:
      //====================================================
      //====================================================
 

      inline bool entry(const boolParams key) const { return bpar_[key]; }
      inline int entry(const intParams key) const { return ipar_[key]; }
      inline double entry(const dblParams key) const { return dpar_[key]; }
      inline const std::string&
          entry(const strParams key) const { return spar_[key]; }
      inline const std::vector<std::string>&
          entry(const strArrayParams key) const { return sapar_[key]; }
      //----------------------------------------------------

      void setEntry(const boolParams key, const char * val) {
          bpar_[key] = atoi(val) ? true : false; }
      void setEntry(const boolParams key, const char val) {
          bpar_[key] = val ? true : false; }
      void setEntry(const boolParams key, const bool val) {
          bpar_[key] = val; }
      void setEntry(const intParams key, const char * val) {
          ipar_[key] = atoi(val); }
      void setEntry(const intParams key, const int val) {
          ipar_[key] = val; }
      void setEntry(const dblParams key, const char * val) {
          dpar_[key] = atof(val); }
      void setEntry(const dblParams key, const double val) {
          dpar_[key] = val; }
      void setEntry(const strParams key, const char * val) {
          spar_[key] = val; }
      void setEntry(const strArrayParams key, const char *val) {
          sapar_[key].push_back(val); }
      
      //----------------------------------------------------

      void pack(AlpsEncoded& buf) {
          buf.writeRep(bpar_, endOfBoolParams)
              .writeRep(ipar_, endOfIntParams)
              .writeRep(dpar_, endOfDblParams);
          for (int i = 0; i < endOfStrParams; ++i)
              buf.writeRep(spar_[i]);
          for (int i = 0; i < endOfStrArrayParams; ++i) {
              buf.writeRep(sapar_[i].size());
              for (size_t j = 0; j < sapar_[i].size(); ++j)
                  buf.writeRep(sapar_[i][j]);
          }
      }

      void unpack(AlpsEncoded& buf) {
          int dummy;
          // No need to allocate the arrays, they are of fixed length
          dummy = static_cast<int>(endOfBoolParams);
          buf.readRep(bpar_, dummy, false);
          dummy = static_cast<int>(endOfIntParams);
          buf.readRep(ipar_, dummy, false);
          dummy = static_cast<int>(endOfDblParams);
          buf.readRep(dpar_, dummy, false);
          for (int i = 0; i < endOfStrParams; ++i)
              buf.readRep(spar_[i]);
          for (int i = 0; i < endOfStrArrayParams; ++i) {
              size_t str_size;
              buf.readRep(str_size);
              sapar_[i].reserve(str_size);
              for (size_t j = 0; j < str_size; ++j){
                  //    sapar_[i].unchecked_push_back(std::string());
                  sapar_[i].push_back(std::string());
                  buf.readRep(sapar_[i].back());
              }
          }
      }
};

#endif