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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
// This test verifies that information keys are copied up & down the
// pipeline properly and NeedToExecute/StoreMetaData functions as expected.
#include "vtkInformation.h"
#include "vtkInformationDataObjectMetaDataKey.h"
#include "vtkInformationIntegerKey.h"
#include "vtkInformationIntegerRequestKey.h"
#include "vtkInformationVector.h"
#include "vtkNew.h"
#include "vtkObjectFactory.h"
#include "vtkPolyData.h"
#include "vtkPolyDataAlgorithm.h"
#include "vtkPolyDataNormals.h"
#define TEST_SUCCESS 0
#define TEST_FAILURE 1
class MySource : public vtkPolyDataAlgorithm
{
public:
static MySource* New();
vtkTypeMacro(vtkPolyDataAlgorithm, vtkAlgorithm);
static vtkInformationDataObjectMetaDataKey* META_DATA();
static vtkInformationIntegerRequestKey* REQUEST();
static vtkInformationIntegerKey* DATA();
bool Failed;
unsigned int NumberOfExecutions;
int Result;
protected:
MySource()
{
this->SetNumberOfInputPorts(0);
this->SetNumberOfOutputPorts(1);
this->Failed = false;
this->NumberOfExecutions = 0;
this->Result = -1;
}
int RequestInformation(
vtkInformation*, vtkInformationVector**, vtkInformationVector* outputVector) override
{
vtkInformation* outInfo = outputVector->GetInformationObject(0);
vtkPolyData* pd = vtkPolyData::New();
outInfo->Set(META_DATA(), pd);
pd->Delete();
return 1;
}
int RequestData(
vtkInformation*, vtkInformationVector**, vtkInformationVector* outputVector) override
{
// Here we verify that a request set at the end of the pipeline
// made it to here properly.
vtkInformation* outInfo = outputVector->GetInformationObject(0);
if (!outInfo->Has(REQUEST()) || outInfo->Get(REQUEST()) != this->Result)
{
this->Failed = true;
}
this->NumberOfExecutions++;
return 1;
}
};
vtkStandardNewMacro(MySource);
vtkInformationKeyMacro(MySource, META_DATA, DataObjectMetaData);
vtkInformationKeyMacro(MySource, DATA, Integer);
class vtkInformationMyRequestKey : public vtkInformationIntegerRequestKey
{
public:
vtkInformationMyRequestKey(const char* name, const char* location)
: vtkInformationIntegerRequestKey(name, location)
{
this->DataKey = MySource::DATA();
}
};
vtkInformationKeySubclassMacro(MySource, REQUEST, MyRequest, IntegerRequest);
int TestMetaData(int, char*[])
{
vtkNew<MySource> mySource;
vtkNew<vtkPolyDataNormals> filter;
filter->SetInputConnection(mySource->GetOutputPort());
filter->UpdateInformation();
// Do we have the meta-data created by the reader at the end
// of the pipeline?
if (!filter->GetOutputInformation(0)->Has(MySource::META_DATA()))
{
return TEST_FAILURE;
}
filter->GetOutputInformation(0)->Set(MySource::REQUEST(), 2);
mySource->Result = 2;
filter->Update();
// Nothing changed. This should not cause re-execution
filter->Update();
filter->GetOutputInformation(0)->Set(MySource::REQUEST(), 3);
mySource->Result = 3;
// Request changed. This should cause re-execution
filter->Update();
if (mySource->NumberOfExecutions != 2)
{
return TEST_FAILURE;
}
if (mySource->Failed)
{
return TEST_FAILURE;
}
return TEST_SUCCESS;
}
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