DDName.h

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#ifndef DETECTOR_DESCRIPTION_CORE_DDNAME_H
#define DETECTOR_DESCRIPTION_CORE_DDNAME_H

#include <iosfwd>
#include <string>
#include <utility>

#include "FWCore/Utilities/interface/StdPairHasher.h"
#include <tbb/concurrent_vector.h>
#include <tbb/concurrent_unordered_map.h>

class DDCurrentNamespace;


class DDName {
public:
  using id_type = int;
  using key_type = std::pair<const std::string, std::string>;
  using Registry = tbb::concurrent_unordered_map<key_type, id_type, edm::StdPairHasher>;
  using IdToName = tbb::concurrent_vector<Registry::const_iterator>;

  DDName(const std::string& name, const std::string& ns);

  DDName(const std::string& name);
  DDName(const char* name);
  DDName(const char* name, const char* ns);

  explicit DDName();

  const std::string& name() const;

  const std::string& ns() const;

  const std::string fullname() const { return ns() + ":" + name(); }

  id_type id() const { return id_; }

  bool operator<(const DDName& rhs) const { return id_ < rhs.id_; }
  bool operator==(const DDName& rhs) const { return id_ == rhs.id_; }

private:
  id_type id_;

  static Registry::const_iterator registerName(const std::pair<std::string, std::string>& s);
};

std::ostream& operator<<(std::ostream& os, const DDName& n);

#endif