SysHandleArray.icc

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
namespace CP {
  template <typename HANDLE> template <typename OWNER>
  SysHandleArray<HANDLE>::SysHandleArray(
      const std::vector<std::string> &values, OWNER *owner)
    : asg::AsgMessagingForward(owner), m_decorNames(values),
     m_makeHandle([owner](const std::string &name) { return HANDLE(name, owner); })
  {
  }
 
  template <typename HANDLE> template <typename OWNER>
  SysHandleArray<HANDLE>::SysHandleArray(
      OWNER *owner,
      const std::string &propertyName,
      const std::vector<std::string> &propertyValue,
      const std::string &propertyDescription)
    : asg::AsgMessagingForward(owner), m_decorNames(propertyValue),
     m_makeHandle([owner](const std::string &name) { return HANDLE(name, owner); })
  {
    owner->declareProperty(propertyName, m_decorNames, propertyDescription);
  }
 
  template <typename HANDLE> template <typename... Args>
  StatusCode SysHandleArray<HANDLE>::initialize(Args &&...args)
  {
    // Build the list of handles separate to the data member so that it isn't
    // partially initialized if there's a failure
    std::vector<HANDLE> handles;
    handles.reserve(m_decorNames.size());
    if (!m_makeHandle)
    {
      ATH_MSG_ERROR("SysHandleArray: No handle maker function defined!");
      return StatusCode::FAILURE;
    }
    for (const std::string &decor : m_decorNames)
    {
      // NB: This will fail if the templated class doesn't have the right
      // constructor
      handles.emplace_back(m_makeHandle(decor));
      ATH_CHECK(handles.back().initialize(args...));
    }
    // If we get here then it all worked OK
    m_handles = std::move(handles);
    return StatusCode::SUCCESS;
  }
 
  template <typename HANDLE>
  std::size_t SysHandleArray<HANDLE>::size() const noexcept { return m_decorNames.size(); }
 
  template <typename HANDLE>
  bool SysHandleArray<HANDLE>::empty() const noexcept { return size() == 0; }
 
  template <typename HANDLE>
  HANDLE &SysHandleArray<HANDLE>::at(std::size_t idx)
  {
    requireInitialized();
    return m_handles.at(idx);
  }
 
  template <typename HANDLE>
  const HANDLE &SysHandleArray<HANDLE>::at(std::size_t idx) const
  {
    requireInitialized();
    return m_handles.at(idx);
  }
 
  template <typename HANDLE>
  typename SysHandleArray<HANDLE>::iterator SysHandleArray<HANDLE>::begin()
  {
    requireInitialized();
    return m_handles.begin();
  }
 
  template <typename HANDLE>
  typename SysHandleArray<HANDLE>::iterator SysHandleArray<HANDLE>::end()
  {
    requireInitialized();
    return m_handles.end();
  }
 
  template <typename HANDLE>
  typename SysHandleArray<HANDLE>::const_iterator SysHandleArray<HANDLE>::begin() const
  {
    requireInitialized();
    return m_handles.begin();
  }
 
  template <typename HANDLE>
  typename SysHandleArray<HANDLE>::const_iterator SysHandleArray<HANDLE>::end() const
  {
    requireInitialized();
    return m_handles.end();
  }
 
  template <typename HANDLE>
  typename SysHandleArray<HANDLE>::const_iterator SysHandleArray<HANDLE>::cbegin() const
  {
    requireInitialized();
    return m_handles.cbegin();
  }
 
  template <typename HANDLE>
  typename SysHandleArray<HANDLE>::const_iterator SysHandleArray<HANDLE>::cend() const
  {
    requireInitialized();
    return m_handles.cend();
  }
 
  template <typename HANDLE>
  typename SysHandleArray<HANDLE>::reverse_iterator SysHandleArray<HANDLE>::rbegin()
  {
    requireInitialized();
    return m_handles.rbegin();
  }
 
  template <typename HANDLE>
  typename SysHandleArray<HANDLE>::reverse_iterator SysHandleArray<HANDLE>::rend()
  {
    requireInitialized();
    return m_handles.rend();
  }
 
  template <typename HANDLE>
  typename SysHandleArray<HANDLE>::const_reverse_iterator SysHandleArray<HANDLE>::rbegin() const
  {
    requireInitialized();
    return m_handles.rbegin();
  }
 
  template <typename HANDLE>
  typename SysHandleArray<HANDLE>::const_reverse_iterator SysHandleArray<HANDLE>::rend() const
  {
    requireInitialized();
    return m_handles.rend();
  }
 
  template <typename HANDLE>
  typename SysHandleArray<HANDLE>::const_reverse_iterator SysHandleArray<HANDLE>::crbegin() const
  {
    requireInitialized();
    return m_handles.crbegin();
  }
 
  template <typename HANDLE>
  typename SysHandleArray<HANDLE>::const_reverse_iterator SysHandleArray<HANDLE>::crend() const
  {
    requireInitialized();
    return m_handles.crend();
  }
 
  template <typename HANDLE>
  void SysHandleArray<HANDLE>::requireInitialized() const
  {
    if (m_handles.size() != m_decorNames.size())
      throw std::logic_error("SysHandleArray not initialized!");
  }
 
} //> end namespace CP