ProcessConfiguration.cc

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#include "canvas/Persistency/Provenance/ProcessConfiguration.h"
#include "cetlib/MD5Digest.h"

#include <ostream>
#include <sstream>
#include <tuple>

namespace art {

  ProcessConfigurationID
  ProcessConfiguration::id() const
  {
    // This implementation is ripe for optimization.
    std::ostringstream oss;
    oss << *this;
    std::string stringrep = oss.str();
    cet::MD5Digest md5alg(stringrep);
    return ProcessConfigurationID(md5alg.digest().toString());
  }

  bool
  operator<(ProcessConfiguration const& a, ProcessConfiguration const& b)
  {
    return std::tie(a.processName_, a.parameterSetID_, a.releaseVersion_) <
           std::tie(b.processName_, b.parameterSetID_, b.releaseVersion_);
  }

  bool
  operator==(ProcessConfiguration const& a, ProcessConfiguration const& b)
  {
    return std::tie(a.processName_, a.parameterSetID_, a.releaseVersion_) ==
           std::tie(b.processName_, b.parameterSetID_, b.releaseVersion_);
  }

  std::ostream&
  operator<<(std::ostream& os, ProcessConfiguration const& pc)
  {
    os << pc.processName_ << ' ' << pc.parameterSetID_ << ' '
       << pc.releaseVersion_
       << ' '; // Retain the last space for backwards compatibility
    return os;
  }
}