cobjectfactory.h

//==========================================================================
//  COBJECTFACTORY.H - part of
//                     OMNeT++/OMNEST
//            Discrete System Simulation in C++
//
//==========================================================================

/*--------------------------------------------------------------*
  Copyright (C) 1992-2008 Andras Varga
  Copyright (C) 2006-2008 OpenSim Ltd.

  This file is distributed WITHOUT ANY WARRANTY. See the file
  `license' for details on this and other legal matters.
*--------------------------------------------------------------*/

#ifndef __COBJECTFACTORY_H
#define __COBJECTFACTORY_H

#include "simkerneldefs.h"
#include "globals.h"
#include "cownedobject.h"

NAMESPACE_BEGIN


class SIM_API cObjectFactory : public cNoncopyableOwnedObject
{
  private:
    cObject *(*creatorfunc)();
    void *(*castfunc)(cObject *);
    std::string descr;

  public:
    cObjectFactory(const char *name, cObject *(*creatorfunc)(), void *(*castfunc)(cObject *), const char *description=NULL);

    virtual std::string info() const;

    virtual bool isAbstract() const  {return creatorfunc==NULL;}

    virtual cObject *createOne() const;

    virtual bool isInstance(cObject *obj) const  {return castfunc(obj)!=NULL;}

    const char *getDescription() const  {return descr.c_str();}

    static cObjectFactory *find(const char *classname);

    static cObjectFactory *get(const char *classname);

    static cObject *createOne(const char *classname);

    static cObject *createOneIfClassIsKnown(const char *classname);
};


inline cObject *createOne(const char *classname) {
    return cObjectFactory::createOne(classname);
}

inline cObject *createOneIfClassIsKnown(const char *classname) {
    return cObjectFactory::createOneIfClassIsKnown(classname);
}

NAMESPACE_END


#endif