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/*=========================================================================
Program: Visualization Toolkit
Module: vtkVertexListIterator.cxx
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.
-------------------------------------------------------------------------*/
#include "vtkVertexListIterator.h"
#include "vtkDataObject.h"
#include "vtkDistributedGraphHelper.h"
#include "vtkGraph.h"
#include "vtkInformation.h"
#include "vtkObjectFactory.h"
VTK_ABI_NAMESPACE_BEGIN
vtkStandardNewMacro(vtkVertexListIterator);
//------------------------------------------------------------------------------
vtkVertexListIterator::vtkVertexListIterator()
{
this->Current = 0;
this->End = 0;
this->Graph = nullptr;
}
//------------------------------------------------------------------------------
vtkVertexListIterator::~vtkVertexListIterator()
{
if (this->Graph)
{
this->Graph->Delete();
}
}
//------------------------------------------------------------------------------
void vtkVertexListIterator::SetGraph(vtkGraph* graph)
{
vtkSetObjectBodyMacro(Graph, vtkGraph, graph);
if (this->Graph)
{
this->Current = 0;
this->End = this->Graph->GetNumberOfVertices();
// For a distributed graph, shift the iteration space to cover
// local vertices
vtkDistributedGraphHelper* helper = this->Graph->GetDistributedGraphHelper();
if (helper)
{
int myRank = this->Graph->GetInformation()->Get(vtkDataObject::DATA_PIECE_NUMBER());
this->Current = helper->MakeDistributedId(myRank, this->Current);
this->End = helper->MakeDistributedId(myRank, this->End);
}
}
}
//------------------------------------------------------------------------------
void vtkVertexListIterator::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
os << indent << "Graph: " << (this->Graph ? "" : "(null)") << endl;
if (this->Graph)
{
this->Graph->PrintSelf(os, indent.GetNextIndent());
}
}
VTK_ABI_NAMESPACE_END
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