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// 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
#include "vtkGraphAlgorithm.h"
#include "vtkCommand.h"
#include "vtkGraph.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkObjectFactory.h"
#include "vtkStreamingDemandDrivenPipeline.h"
VTK_ABI_NAMESPACE_BEGIN
vtkStandardNewMacro(vtkGraphAlgorithm);
//------------------------------------------------------------------------------
vtkGraphAlgorithm::vtkGraphAlgorithm()
{
// by default assume filters have one input and one output
// subclasses that deviate should modify this setting
this->SetNumberOfInputPorts(1);
this->SetNumberOfOutputPorts(1);
}
//------------------------------------------------------------------------------
vtkGraphAlgorithm::~vtkGraphAlgorithm() = default;
//------------------------------------------------------------------------------
void vtkGraphAlgorithm::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
//------------------------------------------------------------------------------
vtkTypeBool vtkGraphAlgorithm::ProcessRequest(
vtkInformation* request, vtkInformationVector** inputVector, vtkInformationVector* outputVector)
{
// generate the data
if (request->Has(vtkDemandDrivenPipeline::REQUEST_DATA()))
{
return this->RequestData(request, inputVector, outputVector);
}
if (request->Has(vtkStreamingDemandDrivenPipeline::REQUEST_UPDATE_EXTENT()))
{
return this->RequestUpdateExtent(request, inputVector, outputVector);
}
if (request->Has(vtkStreamingDemandDrivenPipeline::REQUEST_UPDATE_TIME()))
{
return this->RequestUpdateTime(request, inputVector, outputVector);
}
// create the output
if (request->Has(vtkDemandDrivenPipeline::REQUEST_DATA_OBJECT()))
{
return this->RequestDataObject(request, inputVector, outputVector);
}
// execute information
if (request->Has(vtkDemandDrivenPipeline::REQUEST_INFORMATION()))
{
return this->RequestInformation(request, inputVector, outputVector);
}
return this->Superclass::ProcessRequest(request, inputVector, outputVector);
}
//------------------------------------------------------------------------------
int vtkGraphAlgorithm::FillOutputPortInformation(int vtkNotUsed(port), vtkInformation* info)
{
// now add our info
info->Set(vtkDataObject::DATA_TYPE_NAME(), "vtkGraph");
return 1;
}
//------------------------------------------------------------------------------
int vtkGraphAlgorithm::FillInputPortInformation(int vtkNotUsed(port), vtkInformation* info)
{
info->Set(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkGraph");
return 1;
}
//------------------------------------------------------------------------------
vtkGraph* vtkGraphAlgorithm::GetOutput(int index)
{
return vtkGraph::SafeDownCast(this->GetOutputDataObject(index));
}
//------------------------------------------------------------------------------
void vtkGraphAlgorithm::SetInputData(int index, vtkDataObject* input)
{
this->SetInputDataInternal(index, input);
}
//------------------------------------------------------------------------------
int vtkGraphAlgorithm::RequestInformation(vtkInformation* vtkNotUsed(request),
vtkInformationVector** vtkNotUsed(inputVector), vtkInformationVector* vtkNotUsed(outputVector))
{
// do nothing let subclasses handle it
return 1;
}
//------------------------------------------------------------------------------
int vtkGraphAlgorithm::RequestUpdateTime(vtkInformation* vtkNotUsed(request),
vtkInformationVector** vtkNotUsed(inputVector), vtkInformationVector* vtkNotUsed(outputVector))
{
// do nothing let subclasses handle it
return 1;
}
//------------------------------------------------------------------------------
int vtkGraphAlgorithm::RequestUpdateExtent(vtkInformation* vtkNotUsed(request),
vtkInformationVector** inputVector, vtkInformationVector* vtkNotUsed(outputVector))
{
int numInputPorts = this->GetNumberOfInputPorts();
for (int i = 0; i < numInputPorts; i++)
{
int numInputConnections = this->GetNumberOfInputConnections(i);
for (int j = 0; j < numInputConnections; j++)
{
vtkInformation* inputInfo = inputVector[i]->GetInformationObject(j);
inputInfo->Set(vtkStreamingDemandDrivenPipeline::EXACT_EXTENT(), 1);
}
}
return 1;
}
//------------------------------------------------------------------------------
// This is the superclasses style of Execute method. Convert it into
// an imaging style Execute method.
int vtkGraphAlgorithm::RequestData(vtkInformation* vtkNotUsed(request),
vtkInformationVector** vtkNotUsed(inputVector), vtkInformationVector* vtkNotUsed(outputVector))
{
return 0;
}
//------------------------------------------------------------------------------
int vtkGraphAlgorithm::RequestDataObject(
vtkInformation*, vtkInformationVector** inputVector, vtkInformationVector* outputVector)
{
vtkInformation* inInfo = inputVector[0]->GetInformationObject(0);
if (!inInfo)
{
return 0;
}
vtkGraph* input = vtkGraph::SafeDownCast(inInfo->Get(vtkDataObject::DATA_OBJECT()));
if (input)
{
// for each output
for (int i = 0; i < this->GetNumberOfOutputPorts(); ++i)
{
vtkInformation* info = outputVector->GetInformationObject(i);
vtkGraph* output = vtkGraph::SafeDownCast(info->Get(vtkDataObject::DATA_OBJECT()));
if (!output || !output->IsA(input->GetClassName()))
{
output = input->NewInstance();
info->Set(vtkDataObject::DATA_OBJECT(), output);
output->Delete();
}
}
return 1;
}
return 0;
}
VTK_ABI_NAMESPACE_END
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