/mnt/USB_DISK/BUILD/prj_sf/otlib/trunk/include/core/ot_objectFactory.h

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#ifndef OT_OBJECTFACTORY_H
#define OT_OBJECTFACTORY_H


class ot_objectFactoryCallback
{
  private:

  OT_OBJECT_TYPE m_type;


  protected:

  ot_objectFactoryCallback(OT_OBJECT_TYPE type);


  public:

  virtual ~ot_objectFactoryCallback(void)  {}
  OT_OBJECT_TYPE getObjectType(void) const {return(m_type);}


  virtual ot_obj * fromData(istream &s) const = 0;
};


class ot_objectFactoryCallbackRegister
{
  public:

  ot_objectFactoryCallbackRegister(ot_objectFactoryCallback *c);
};

class ot_objectFactory
{
  private:

  static ot_objectFactory                        *m_inst;
  map<OT_OBJECT_TYPE,ot_objectFactoryCallback *>  m_map;

  private:

  ot_objectFactory(void);


  public:

  ~ot_objectFactory(void);

  static ot_objectFactory * getInstance(void);

  bool registerBuilder(ot_objectFactoryCallback *c);

  ot_obj * buildFromData(istream &s) const;
};

#endif

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