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/*
* Copyright (C) 2005-2017 Centre National d'Etudes Spatiales (CNES)
*
* This file is part of Orfeo Toolbox
*
* https://www.orfeo-toolbox.org/
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef otbVectorDataSource_h
#define otbVectorDataSource_h
#include "OTBVectorDataBaseExport.h"
#include "itkProcessObject.h"
#include "itkMacro.h"
namespace otb
{
/** \class VectorDataSource
* \brief Filter hierarchy for generating VectorData
*
*
* \ingroup IO
*
*
* \ingroup OTBVectorDataBase
*/
template <class TOutputVectorData>
class ITK_ABI_EXPORT VectorDataSource : public itk::ProcessObject
{
public:
/** Standard class typedefs. */
typedef VectorDataSource Self;
typedef itk::ProcessObject Superclass;
typedef itk::SmartPointer<Self> Pointer;
typedef itk::SmartPointer<const Self> ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(VectorDataSource, itk::ProcessObject);
typedef itk::ProcessObject::DataObjectPointerArraySizeType DataObjectPointerArraySizeType;
typedef TOutputVectorData OutputVectorDataType;
typedef typename TOutputVectorData::Pointer OutputVectorDataPointer;
/** Graft the specified DataObject onto this ProcessObject's output.
* This method grabs a handle to the specified DataObject's bulk
* data to used as its output's own bulk data.
* Most importantly, however, it leaves the Source ivar untouched so
* the original pipeline routing is intact. This method is used when
* a process object is implemented using a mini-pipeline which is
* defined in its GenerateData() method.
* */
virtual void GraftOutput(itk::DataObject *output);
/** Graft the specified data object onto this ProcessObject's idx'th
* output. This is similar to the GraftOutput method except it
* allows you to specify which output is affected. The specified index
* must be a valid output number (less than
* ProcessObject::GetNumberOfOutputs()). See the GraftOutput for
* general usage information. */
virtual void GraftNthOutput(unsigned int idx, itk::DataObject *output);
/** Overriding GetOutput() method */
virtual OutputVectorDataType* GetOutput(void);
virtual OutputVectorDataType* GetOutput(DataObjectPointerArraySizeType idx);
protected:
VectorDataSource();
~VectorDataSource() override;
void PrintSelf(std::ostream& os, itk::Indent indent) const override;
/** Ensure that the output vector data are cleared before processing */
virtual void AllocateOutputs();
private:
VectorDataSource(const Self &); //purposely not implemented
void operator =(const Self&); //purposely not implemented
};
} // end namespace otb
#ifndef OTB_MANUAL_INSTANTIATION
#include "otbVectorDataSource.txx"
#endif
#endif // otbVectorDataSource_h
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