vtkInEdgeIterator.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkInEdgeIterator.h
 
  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
 
     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.
 
=========================================================================*/
/*-------------------------------------------------------------------------
  Copyright 2008 Sandia Corporation.
  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
  the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/
#ifndef vtkInEdgeIterator_h
#define vtkInEdgeIterator_h
 
#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkObject.h"
 
#include "vtkGraph.h" // For edge type definitions
 
class vtkGraphEdge;
 
class VTKCOMMONDATAMODEL_EXPORT vtkInEdgeIterator : public vtkObject
{
public:
  static vtkInEdgeIterator *New();
  vtkTypeMacro(vtkInEdgeIterator, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent);
 
  void Initialize(vtkGraph *g, vtkIdType v);
 
 
  vtkGetObjectMacro(Graph, vtkGraph);
  vtkGetMacro(Vertex, vtkIdType);
 
  //BTX
 
  inline vtkInEdgeType Next()
  {
    vtkInEdgeType e = *this->Current;
    ++this->Current;
    return e;
  }
  //ETX
 
  vtkGraphEdge *NextGraphEdge();
 
 
  bool HasNext()
  {
    return this->Current != this->End;
  }
 
protected:
  vtkInEdgeIterator();
  ~vtkInEdgeIterator();
 
  virtual void SetGraph(vtkGraph *graph);
 
  vtkGraph           *Graph;
  const vtkInEdgeType *Current;
  const vtkInEdgeType *End;
  vtkIdType            Vertex;
  vtkGraphEdge       *GraphEdge;
 
private:
  vtkInEdgeIterator(const vtkInEdgeIterator&);  // Not implemented.
  void operator=(const vtkInEdgeIterator&);  // Not implemented.
};
 
#endif