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WriterT.hpp
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1 // This file is part of the Acts project.
2 //
3 // Copyright (C) 2017 CERN for the benefit of the Acts project
4 //
5 // This Source Code Form is subject to the terms of the Mozilla Public
6 // License, v. 2.0. If a copy of the MPL was not distributed with this
7 // file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 
12 
13 #pragma once
14 
16 #include <memory>
17 #include <string>
18 
21 
22 namespace FW {
23 
39 template <typename write_data_t>
40 class WriterT : public IWriter {
41  public:
45  WriterT(std::string objectName, std::string writerName,
46  Acts::Logging::Level level);
47 
49  std::string name() const final override;
50 
52  ProcessCode write(const AlgorithmContext& context) final override;
53 
55  ProcessCode endRun() override;
56 
57  protected:
63  virtual ProcessCode writeT(const AlgorithmContext& context,
64  const write_data_t& t) = 0;
65 
66  const Acts::Logger& logger() const { return *m_logger; }
67 
68  private:
69  std::string m_objectName;
70  std::string m_writerName;
71  std::unique_ptr<const Acts::Logger> m_logger;
72 };
73 
74 } // namespace FW
75 
76 template <typename write_data_t>
77 FW::WriterT<write_data_t>::WriterT(std::string objectName,
78  std::string writerName,
80  : m_objectName(std::move(objectName)),
81  m_writerName(std::move(writerName)),
82  m_logger(Acts::getDefaultLogger(m_writerName, level)) {
83  if (m_objectName.empty()) {
84  throw std::invalid_argument("Missing input collection");
85  } else if (m_writerName.empty()) {
86  throw std::invalid_argument("Missing writer name");
87  }
88 }
89 
90 template <typename write_data_t>
91 inline std::string FW::WriterT<write_data_t>::name() const {
92  return m_writerName;
93 }
94 
95 template <typename write_data_t>
97  return ProcessCode::SUCCESS;
98 }
99 
100 template <typename write_data_t>
102  const AlgorithmContext& context) {
103  return writeT(context, context.eventStore.get<write_data_t>(m_objectName));
104 }