ChainedDataProcessor.h

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//
//
/*
    Copyright (C) 2000- 2011, Hammersmith Imanet Ltd
    This file is part of STIR.
 
    SPDX-License-Identifier: Apache-2.0
 
    See STIR/LICENSE.txt for details
*/
#ifndef __stir_ChainedDataProcessor_H__
#define __stir_ChainedDataProcessor_H__
 
#include "stir/RegisteredParsingObject.h"
#include "stir/DataProcessor.h"
#include "stir/shared_ptr.h"
 
START_NAMESPACE_STIR

 
template <typename DataT>
class ChainedDataProcessor
    : public RegisteredParsingObject<ChainedDataProcessor<DataT>, DataProcessor<DataT>, DataProcessor<DataT>>
{
private:
  typedef RegisteredParsingObject<ChainedDataProcessor<DataT>, DataProcessor<DataT>, DataProcessor<DataT>> base_type;
 
public:
  static const char* const registered_name;

  explicit ChainedDataProcessor(shared_ptr<DataProcessor<DataT>> apply_first = shared_ptr<DataProcessor<DataT>>(),
                                shared_ptr<DataProcessor<DataT>> apply_second = shared_ptr<DataProcessor<DataT>>());
 
private:
  shared_ptr<DataProcessor<DataT>> apply_first;
  shared_ptr<DataProcessor<DataT>> apply_second;
 
  void set_defaults() override;
  void initialise_keymap() override;
 
  Succeeded virtual_set_up(const DataT& data) override;
 
  void virtual_apply(DataT& out_data, const DataT& in_data) const override;
  void virtual_apply(DataT& data) const override;
};
 
END_NAMESPACE_STIR
 
#endif