/home/coin/SVN-release/CoinAll-1.1.0/Ipopt/src/Algorithm/IpAlgStrategy.hpp

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// Copyright (C) 2004, 2006 International Business Machines and others.
// All Rights Reserved.
// This code is published under the Common Public License.
//
// $Id: IpAlgStrategy.hpp 798 2006-10-13 19:58:22Z andreasw $
//
// Authors:  Carl Laird, Andreas Waechter     IBM    2004-08-13

#ifndef __IPALGSTRATEGY_HPP__
#define __IPALGSTRATEGY_HPP__

#include "IpOptionsList.hpp"
#include "IpJournalist.hpp"
#include "IpIpoptCalculatedQuantities.hpp"

namespace Ipopt
{

  class AlgorithmStrategyObject : public ReferencedObject
  {
  public:
    AlgorithmStrategyObject()
        :
        initialize_called_(false)
    {}

    virtual ~AlgorithmStrategyObject()
    {}

    bool Initialize(const Journalist& jnlst,
                    IpoptNLP& ip_nlp,
                    IpoptData& ip_data,
                    IpoptCalculatedQuantities& ip_cq,
                    const OptionsList& options,
                    const std::string& prefix)
    {
      initialize_called_ = true;
      // Copy the pointers for the problem defining objects
      jnlst_ = &jnlst;
      ip_nlp_ = &ip_nlp;
      ip_data_ = &ip_data;
      ip_cq_ = &ip_cq;

      bool retval = InitializeImpl(options, prefix);
      if (!retval) {
        initialize_called_ = false;
      }

      return retval;
    }

    bool ReducedInitialize(const Journalist& jnlst,
                           const OptionsList& options,
                           const std::string& prefix)
    {
      initialize_called_ = true;
      // Copy the pointers for the problem defining objects
      jnlst_ = &jnlst;
      ip_nlp_ = NULL;
      ip_data_ = NULL;
      ip_cq_ = NULL;

      bool retval = InitializeImpl(options, prefix);
      if (!retval) {
        initialize_called_ = false;
      }

      return retval;
    }

  protected:
    virtual bool InitializeImpl(const OptionsList& options,
                                const std::string& prefix)=0;

    const Journalist& Jnlst() const
    {
      DBG_ASSERT(initialize_called_);
      return *jnlst_;
    }
    IpoptNLP& IpNLP() const
    {
      DBG_ASSERT(initialize_called_);
      DBG_ASSERT(IsValid(ip_nlp_));
      return *ip_nlp_;
    }
    IpoptData& IpData() const
    {
      DBG_ASSERT(initialize_called_);
      DBG_ASSERT(IsValid(ip_data_));
      return *ip_data_;
    }
    IpoptCalculatedQuantities& IpCq() const
    {
      DBG_ASSERT(initialize_called_);
      DBG_ASSERT(IsValid(ip_cq_));
      return *ip_cq_;
    }
    bool HaveIpData() const
    {
      return IsValid(ip_data_);
    }

  private:
    //AlgorithmStrategyObject();


    AlgorithmStrategyObject(const AlgorithmStrategyObject&);

    void operator=(const AlgorithmStrategyObject&);

    SmartPtr<const Journalist> jnlst_;
    SmartPtr<IpoptNLP> ip_nlp_;
    SmartPtr<IpoptData> ip_data_;
    SmartPtr<IpoptCalculatedQuantities> ip_cq_;

    bool initialize_called_;
  };

} // namespace Ipopt

#endif

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