unknownnumberingscheme.h

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/*
 *
 *                 #####    #####   ######  ######  ###   ###
 *               ##   ##  ##   ##  ##      ##      ## ### ##
 *              ##   ##  ##   ##  ####    ####    ##  #  ##
 *             ##   ##  ##   ##  ##      ##      ##     ##
 *            ##   ##  ##   ##  ##      ##      ##     ##
 *            #####    #####   ##      ######  ##     ##
 *
 *
 *             OOFEM : Object Oriented Finite Element Code
 *
 *               Copyright (C) 1993 - 2013   Borek Patzak
 *
 *
 *
 *       Czech Technical University, Faculty of Civil Engineering,
 *   Department of Structural Mechanics, 166 29 Prague, Czech Republic
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This program 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */

#ifndef unknownnumberingscheme_h
#define unknownnumberingscheme_h

#include "dof.h"
#include "intarray.h"

namespace oofem {
class OOFEM_EXPORT UnknownNumberingScheme
{
public:
    UnknownNumberingScheme(void) { }
    virtual ~UnknownNumberingScheme() { }

    virtual void init() { }
    virtual bool isDefault() const { return false; }
    virtual int giveDofEquationNumber(Dof *dof) const = 0;

    virtual int giveRequiredNumberOfDomainEquation() const { return 0; }
};

class OOFEM_EXPORT EModelDefaultEquationNumbering : public UnknownNumberingScheme
{
public:
    EModelDefaultEquationNumbering(void) : UnknownNumberingScheme() { }

    virtual bool isDefault() const { return true; }
    virtual int giveDofEquationNumber(Dof *dof) const {
        return dof->__giveEquationNumber();
    }
};

class OOFEM_EXPORT EModelDefaultPrescribedEquationNumbering : public UnknownNumberingScheme
{
public:
    EModelDefaultPrescribedEquationNumbering(void) : UnknownNumberingScheme() { }

    virtual int giveDofEquationNumber(Dof *dof) const {
        return dof->__givePrescribedEquationNumber();
    }
};


class DofIDEquationNumbering : public UnknownNumberingScheme
{
protected:
    IntArray dofids;
    bool prescribed;

public:
    DofIDEquationNumbering(bool prescribed, IntArray dofids) : 
        UnknownNumberingScheme(), dofids(std :: move(dofids)), prescribed(prescribed) { }

    virtual bool isDefault() const { return !prescribed; }
    virtual int giveDofEquationNumber(Dof *dof) const {
        DofIDItem id = dof->giveDofID();
        if ( dofids.contains(id) ) {
            return prescribed ? dof->__givePrescribedEquationNumber() : dof->__giveEquationNumber();
        }

        return 0;
    }
};
} // end namespace oofem
#endif // unknownnumberingscheme_h