CondCore/DBOutputService/interface/KeyedElement.h - master - githubmirror/cmssw

CondCore/DBOutputService/interface/KeyedElement.h

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27 май 2019, 06:02

27 май 2019, 06:02da621e8

#include "CondFormats/Common/interface/Time.h"
#include "CondFormats/Common/interface/BaseKeyed.h"
#include "CondFormats/Common/interface/hash64.h"
#include <sstream>

namespace cond {

  /* encapsulate data to write a keyed element in an IOVSequence
   */
  class KeyedElement {
  public:
    // constructor from int key
    KeyedElement(BaseKeyed* obj, cond::Time_t key) : m_obj(obj), m_skey(""), m_key(key) {
      std::ostringstream ss;
      ss << key;
      m_skey = ss.str();
      (*obj).setKey(m_skey);
    }

    // constructor from ascii key
    KeyedElement(BaseKeyed* obj, std::string key) : m_obj(obj), m_skey(key), m_key(convert(key)) {
      (*obj).setKey(m_skey);
    }

    static cond::Time_t convert(std::string key) { return cond::hash64((unsigned char*)(&key[0]), key.size(), 0); }

    BaseKeyed* m_obj;
    std::string m_skey;
    cond::Time_t m_key;
  };

}  // namespace cond