vtkAdjacentVertexIterator.h

Go to the documentation of this file.

// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-FileCopyrightText: Copyright 2008 Sandia Corporation
// SPDX-License-Identifier: LicenseRef-BSD-3-Clause-Sandia-USGov
#ifndef vtkAdjacentVertexIterator_h
#define vtkAdjacentVertexIterator_h
 
#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkObject.h"
 
#include "vtkGraph.h" // For edge type definitions
 
VTK_ABI_NAMESPACE_BEGIN
class vtkGraphEdge;
 
class VTKCOMMONDATAMODEL_EXPORT vtkAdjacentVertexIterator : public vtkObject
{
public:
  static vtkAdjacentVertexIterator* New();
  vtkTypeMacro(vtkAdjacentVertexIterator, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  void Initialize(vtkGraph* g, vtkIdType v);
 
 
  vtkGetObjectMacro(Graph, vtkGraph);
  vtkGetMacro(Vertex, vtkIdType);
 
 
  vtkIdType Next()
  {
    vtkOutEdgeType e = *this->Current;
    ++this->Current;
    return e.Target;
  }
 
  bool HasNext() { return this->Current != this->End; }
 
protected:
  vtkAdjacentVertexIterator();
  ~vtkAdjacentVertexIterator() override;
 
  virtual void SetGraph(vtkGraph* graph);
 
  vtkGraph* Graph;
  const vtkOutEdgeType* Current;
  const vtkOutEdgeType* End;
  vtkIdType Vertex;
 
private:
  vtkAdjacentVertexIterator(const vtkAdjacentVertexIterator&) = delete;
  void operator=(const vtkAdjacentVertexIterator&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif