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/*=========================================================================
Program: ParaView
Module: vtkSessionIterator.cxx
Copyright (c) Kitware, Inc.
All rights reserved.
See Copyright.txt or http://www.paraview.org/HTML/Copyright.html 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.
=========================================================================*/
#include "vtkSessionIterator.h"
#include "vtkObjectFactory.h"
#include "vtkProcessModule.h"
#include "vtkProcessModuleInternals.h"
#include <assert.h>
class vtkSessionIterator::vtkInternals
{
public:
vtkProcessModuleInternals::MapOfSessions::iterator Iter;
};
vtkStandardNewMacro(vtkSessionIterator);
//----------------------------------------------------------------------------
vtkSessionIterator::vtkSessionIterator()
{
this->Internals = new vtkInternals();
this->InitTraversal();
}
//----------------------------------------------------------------------------
vtkSessionIterator::~vtkSessionIterator()
{
delete this->Internals;
}
//----------------------------------------------------------------------------
void vtkSessionIterator::InitTraversal()
{
vtkProcessModule* pm = vtkProcessModule::GetProcessModule();
if (!pm)
{
vtkErrorMacro("No ProcessModule found.");
return;
}
vtkProcessModuleInternals* internals = pm->Internals;
this->Internals->Iter = internals->Sessions.begin();
}
//----------------------------------------------------------------------------
bool vtkSessionIterator::IsDoneWithTraversal()
{
vtkProcessModule* pm = vtkProcessModule::GetProcessModule();
if (!pm)
{
vtkErrorMacro("No ProcessModule found.");
return true;
}
vtkProcessModuleInternals* internals = pm->Internals;
return (this->Internals->Iter == internals->Sessions.end());
}
//----------------------------------------------------------------------------
void vtkSessionIterator::GoToNextItem()
{
vtkProcessModule* pm = vtkProcessModule::GetProcessModule();
if (!pm)
{
vtkErrorMacro("No ProcessModule found.");
return;
}
this->Internals->Iter++;
}
//----------------------------------------------------------------------------
vtkSession* vtkSessionIterator::GetCurrentSession()
{
vtkProcessModule* pm = vtkProcessModule::GetProcessModule();
if (!pm)
{
vtkErrorMacro("No ProcessModule found.");
return NULL;
}
assert(this->IsDoneWithTraversal() == false);
return this->Internals->Iter->second.GetPointer();
}
//----------------------------------------------------------------------------
vtkIdType vtkSessionIterator::GetCurrentSessionId()
{
vtkProcessModule* pm = vtkProcessModule::GetProcessModule();
if (!pm)
{
vtkErrorMacro("No ProcessModule found.");
return 0;
}
assert(this->IsDoneWithTraversal() == false);
return this->Internals->Iter->first;
}
//----------------------------------------------------------------------------
void vtkSessionIterator::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
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