IReader.hpp

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// This file is part of the Acts project.
//
// Copyright (C) 2017-2018 CERN for the benefit of the Acts project
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.

#pragma once

#include "ActsExamples/Framework/AlgorithmContext.hpp"
#include "ActsExamples/Framework/ProcessCode.hpp"
#include "ActsExamples/Framework/SequenceElement.hpp"

#include <string>
#include <utility>

namespace ActsExamples {

class IReader : public SequenceElement {
 public:
  virtual std::pair<size_t, size_t> availableEvents() const = 0;

  virtual ProcessCode read(const AlgorithmContext& context) = 0;

  ProcessCode internalExecute(const AlgorithmContext& context) final {
    return read(context);
  }

  ProcessCode initialize() override { return ProcessCode::SUCCESS; }

  ProcessCode finalize() override { return ProcessCode::SUCCESS; }
};

}  // namespace ActsExamples