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/* ****************************************************************** **
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**    OpenSees - Open System for Earthquake Engineering Simulation    **
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**          Pacific Earthquake Engineering Research Center            **
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**                                                                    **
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**                                                                    **
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** (C) Copyright 1999, The Regents of the University of California    **
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** All Rights Reserved.                                               **
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**                                                                    **
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** Commercial use of this program without express permission of the   **
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** University of California, Berkeley, is strictly prohibited.  See   **
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** file 'COPYRIGHT'  in main directory for information on usage and   **
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** redistribution,  and for a DISCLAIMER OF ALL WARRANTIES.           **
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**                                                                    **
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** Developed by:                                                      **
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**   Frank McKenna (fmckenna@ce.berkeley.edu)                         **
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**   Gregory L. Fenves (fenves@ce.berkeley.edu)                       **
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**   Filip C. Filippou (filippou@ce.berkeley.edu)                     **
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**                                                                    **
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** ****************************************************************** */
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// $Revision: 1.3 $
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// $Date: 2008-04-14 22:38:26 $
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// $Source: /usr/local/cvs/OpenSees/SRC/damage/DamageModel.h,v $
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#ifndef DamageModel_h
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#define DamageModel_h        
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// Written: Arash Altoontash, Gregory Deierlein
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// Created: 08/02
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// Revision: AA
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//
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// Description: This file contains the class definition for
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// damage model Damage modelis a base class and
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// thus no objects of it's type can be instantiated. It has pure virtual
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// functions which must be implemented in it's derived classes.
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#include <DomainComponent.h>
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#include <MovableObject.h>
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#include <TaggedObject.h>
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#include <Vector.h>
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class Response;
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class DamageResponse;
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enum DamageType {
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        NotSpecified,
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        Force,
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        Deformation,
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        PlasticDefo,
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        TotalEnergy,
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        PlasticEnergy,
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};
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class DamageModel :  public TaggedObject, public MovableObject
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{
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 public:
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    DamageModel(int tag, int classTag);    
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    virtual ~DamageModel();
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    virtual int setTrial(const Vector &trialVector) = 0;
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    virtual double getDamage (void) = 0;
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    virtual double getPosDamage (void) = 0;
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    virtual double getNegDamage (void) = 0;
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    virtual int commitState (void) = 0;
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    virtual int revertToLastCommit (void) = 0;    
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    virtual int revertToStart (void) = 0;        
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    virtual DamageModel *getCopy (void) = 0;
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    virtual Response *setResponse(const char **argv, int argc, OPS_Stream &theOutputStream);
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    virtual int getResponse(int responseID, Information &info);
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    virtual int sendSelf(int commitTag, Channel &theChannel) = 0;  
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    virtual int recvSelf(int commitTag, Channel &theChannel,
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                         FEM_ObjectBroker &theBroker) = 0;
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    virtual void Print(OPS_Stream &s, int flag =0) =0;
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  protected:
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  private:
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};
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#endif