valuevertex.h

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/* Copyright (C) 2000-2013 CEA
 *
 * This software and supporting documentation were developed by
 *     bioPICSEL
 *     CEA/DSV/I²BM/MIRCen/LMN, Batiment 61,
 *     18, route du Panorama
 *     92265 Fontenay-aux-Roses
 *     France
 */
 
#ifndef BIOPROCESSING_GRAPH_VALUEVERTEX
#define BIOPROCESSING_GRAPH_VALUEVERTEX
 
//--- bioprocessing ----------------------------------------------------------
#include <bioprocessing/graph/basevertex.h>                 // bio::BaseVertex
//--- cartobase --------------------------------------------------------------
#include <cartobase/smart/rcptr.h>                            // carto::rc_ptr
//----------------------------------------------------------------------------
 
namespace bio {
 
  template <typename T> class ValueVertex;
  template <typename T> class ValueVertexRef;
 
//============================================================================
// POINT VERTEX
//============================================================================
  template <typename T>
  class ValueVertex: public BaseVertex
  {
    //--- typedef ------------------------------------------------------------
  protected:
    typedef ValueVertex<T>         This;      
    typedef BaseVertex             Base;      
  public:
    typedef ValueVertexRef<T>      Vertex;    
    typedef ValueVertexRef<T>      Ref;       
    typedef typename T             Type;      
 
    //--- constructor --------------------------------------------------------
  public:
    ValueVertex( const Type & val ): _value(val) {}
    virtual ~ValueVertex() {}
 
    //--- accessor -----------------------------------------------------------
  public:
    const Type & value() const { return _value; }
          Type   value() { return _value; }
 
    //--- members ------------------------------------------------------------
  protected:
    Type _value;
 
    //--- friends ------------------------------------------------------------
    friend class ValueVertexRef<T>;
  };
 
 
//============================================================================
// POINT VERTEX REF
//============================================================================
  template <typename T>
  class ValueVertexRef: public BaseVertexRef
  {
    //--- typedef ------------------------------------------------------------
  protected:
    typedef ValueVertexRef<T>   This;       
    typedef BaseVertexRef       Base;       
    typedef ValueVertex<T>      Pointed;    
  public:
    typedef Pointed::Vertex     Vertex;     
    typedef Pointed::Type       Type;       
 
    //--- constructor --------------------------------------------------------
  protected:
    ValueVertexRef(): Base() {}
  public:
    ValueVertexRef( const Type & val ): Base( new Pointed( val ) ) {}
    ValueVertexRef( Pointed * v ): Base(v) {}
    ValueVertexRef( const Base & other ): Base( other ) {}
    virtual ~ValueVertexRef() {}
 
    //--- none factory -------------------------------------------------------
  public:
    static Vertex none() { return This( (Pointed*)0 ); }
 
    //--- accessor -----------------------------------------------------------
  public:
    const Type & value() const { return ((Pointed*)(this->get()))->value(); }
          Type   value() { return ((Pointed*)(this->get()))->value(); }
  };
 
} // namespace bio
 
#endif // BIOPROCESSING_GRAPH_VALUEVERTEX