source/inc/lpbuilder.hxx

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/*************************************************************************
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 by Kohei Yoshida.
 *    1039 Kingsway Dr., Apex, NC 27502, USA
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1, as published by the Free Software Foundation.
 *
 *    This library is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *    Lesser General Public License for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *    MA  02111-1307  USA
 *
 ************************************************************************/


#ifndef _SCSOLVER_LPBUILDER_HXX_
#define _SCSOLVER_LPBUILDER_HXX_

#include "type.hxx"
#include <memory>
#include <vector>
#include <com/sun/star/table/CellAddress.hpp>


namespace scsolver {

namespace numeric { namespace lp {
        class Model;
}}

class LpModelBuilderImpl;


class ConstraintAddress
{
public:
        ConstraintAddress();
        ConstraintAddress( const ConstraintAddress& );
        ~ConstraintAddress() throw();

        bool equals( const ConstraintAddress& ) const;
        bool operator==( const ConstraintAddress & ) const;

        ::com::sun::star::table::CellAddress getLeftCellAddr() const;
        void setLeftCellAddr( const ::com::sun::star::table::CellAddress& addr );

        ::com::sun::star::table::CellAddress getRightCellAddr() const;
        void setRightCellAddr( const ::com::sun::star::table::CellAddress& addr );
        double getLeftCellValue() const;
        double getRightCellValue() const;
        void setLeftCellValue( double value );
        void setRightCellValue( double value );
        bool isLeftCellNumeric() const;
        bool isRightCellNumeric() const;

        numeric::EqualityType getEquality() const;
        void setEquality( numeric::EqualityType eq );

private:

        ::com::sun::star::table::CellAddress Left;
        ::com::sun::star::table::CellAddress Right;
        numeric::EqualityType Equal;

        bool m_bIsLHSNumber:1;
        bool m_bIsRHSNumber:1;
        double m_fLHSValue;
        double m_fRHSValue;
};

class LpModelBuilder
{
public:
        LpModelBuilder();
        ~LpModelBuilder();

        numeric::lp::Model getModel();

        // Optimization objective
        numeric::GoalType getGoal() const;
        void setGoal( numeric::GoalType );

        // Objective Formula
        const ::com::sun::star::table::CellAddress getObjectiveFormulaAddress() const;
        void setObjectiveFormulaAddress( const ::com::sun::star::table::CellAddress& );
        
        // Decision Variables
        void setDecisionVarAddress( const ::com::sun::star::table::CellAddress& );
        std::vector< ::com::sun::star::table::CellAddress > getAllDecisionVarAddresses() const;
        void clearDecisionVarAddresses();
        
        // Cost Vector
        double getCostVector( const ::com::sun::star::table::CellAddress& );
        void setCostVector( const ::com::sun::star::table::CellAddress&, double );

        // Constraints
        void clearConstraintAddresses();
        void setConstraintAddress( const ConstraintAddress& );
        std::vector< ConstraintAddress > getAllConstraintAddresses() const;
        void setConstraintMatrixSize( size_t, size_t );
        void setConstraintCoefficient( const ::com::sun::star::table::CellAddress&, 
                                                                   const ConstraintAddress&, double, double );
        
        // Temporary formula strings
        const rtl::OUString getTempCellFormula( const ::com::sun::star::table::CellAddress& ) const;
        void setTempCellFormula( const ::com::sun::star::table::CellAddress&, 
                                                         const rtl::OUString& );
        
private:

        std::auto_ptr<LpModelBuilderImpl> m_pImpl;
};



}

#endif

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