NullStep.h

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// Copyright (C) 2022 ASTRON (Netherlands Institute for Radio Astronomy)
// SPDX-License-Identifier: GPL-3.0-or-later
 
#ifndef DP3_STEPS_NULLSTEP_H_
#define DP3_STEPS_NULLSTEP_H_
 
#include "OutputStep.h"
 
namespace dp3 {
namespace steps {
 
class NullStep : public OutputStep {
 public:
  ~NullStep() override {}
 
  common::Fields getRequiredFields() const override { return {}; }
 
  common::Fields getProvidedFields() const override { return {}; }
 
  bool process(std::unique_ptr<base::DPBuffer>) override { return true; }
 
  bool process(std::unique_ptr<base::BdaBuffer>) override { return true; }
 
  void finish() override {}
 
  void show(std::ostream&) const override {}
 
  bool accepts(MsType t) const override {
    return t == MsType::kRegular || t == MsType::kBda;
  }
};
 
}  // namespace steps
}  // namespace dp3
 
#endif