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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#include "vtkDataObjectAlgorithm.h"
#include "vtkCommand.h"
#include "vtkDataObject.h"
#include "vtkDataObjectTypes.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkObjectFactory.h"
#include "vtkStreamingDemandDrivenPipeline.h"
VTK_ABI_NAMESPACE_BEGIN
vtkStandardNewMacro(vtkDataObjectAlgorithm);
//------------------------------------------------------------------------------
vtkDataObjectAlgorithm::vtkDataObjectAlgorithm()
{
// by default assume filters have one input and one output
// subclasses that deviate should modify this setting
this->SetNumberOfInputPorts(1);
this->SetNumberOfOutputPorts(1);
}
//------------------------------------------------------------------------------
vtkDataObjectAlgorithm::~vtkDataObjectAlgorithm() = default;
//------------------------------------------------------------------------------
void vtkDataObjectAlgorithm::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
//------------------------------------------------------------------------------
vtkDataObject* vtkDataObjectAlgorithm::GetOutput()
{
return this->GetOutput(0);
}
//------------------------------------------------------------------------------
vtkDataObject* vtkDataObjectAlgorithm::GetOutput(int port)
{
return this->GetOutputDataObject(port);
}
//------------------------------------------------------------------------------
void vtkDataObjectAlgorithm::SetOutput(vtkDataObject* d)
{
this->GetExecutive()->SetOutputData(0, d);
}
//------------------------------------------------------------------------------
vtkDataObject* vtkDataObjectAlgorithm::GetInput()
{
return this->GetInput(0);
}
//------------------------------------------------------------------------------
vtkDataObject* vtkDataObjectAlgorithm::GetInput(int port)
{
if (this->GetNumberOfInputConnections(port) < 1)
{
return nullptr;
}
return this->GetExecutive()->GetInputData(port, 0);
}
//------------------------------------------------------------------------------
vtkTypeBool vtkDataObjectAlgorithm::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);
}
// Create data object 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 vtkDataObjectAlgorithm::FillOutputPortInformation(int vtkNotUsed(port), vtkInformation* info)
{
// now add our info
info->Set(vtkDataObject::DATA_TYPE_NAME(), "vtkDataObject");
return 1;
}
//------------------------------------------------------------------------------
int vtkDataObjectAlgorithm::FillInputPortInformation(int vtkNotUsed(port), vtkInformation* info)
{
info->Set(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkDataObject");
return 1;
}
//------------------------------------------------------------------------------
int vtkDataObjectAlgorithm::RequestInformation(vtkInformation* vtkNotUsed(request),
vtkInformationVector** vtkNotUsed(inputVector), vtkInformationVector* vtkNotUsed(outputVector))
{
// do nothing let subclasses handle it
return 1;
}
//------------------------------------------------------------------------------
void vtkDataObjectAlgorithm::SetInputData(vtkDataObject* input)
{
this->SetInputData(0, input);
}
//------------------------------------------------------------------------------
void vtkDataObjectAlgorithm::SetInputData(int index, vtkDataObject* input)
{
this->SetInputDataInternal(index, input);
}
//------------------------------------------------------------------------------
void vtkDataObjectAlgorithm::AddInputData(vtkDataObject* input)
{
this->AddInputData(0, input);
}
//------------------------------------------------------------------------------
void vtkDataObjectAlgorithm::AddInputData(int index, vtkDataObject* input)
{
this->AddInputDataInternal(index, input);
}
//------------------------------------------------------------------------------
bool vtkDataObjectAlgorithm::SetOutputDataObject(
int dataType, vtkInformation* outInfo, bool exact /*=false*/)
{
if (!outInfo)
{
return false;
}
auto dobj = vtkDataObject::GetData(outInfo);
if (dobj == nullptr ||
(!exact && vtkDataObjectTypes::TypeIdIsA(dobj->GetDataObjectType(), dataType)) ||
(exact && dobj->GetDataObjectType() != dataType))
{
dobj = vtkDataObjectTypes::NewDataObject(dataType);
if (!dobj)
{
return false;
}
outInfo->Set(vtkDataObject::DATA_OBJECT(), dobj);
outInfo->Set(vtkDataObject::DATA_EXTENT_TYPE(), dobj->GetExtentType());
dobj->FastDelete();
}
return true;
}
VTK_ABI_NAMESPACE_END
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