ProcessConfiguration.h

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#ifndef DataFormats_Provenance_ProcessConfiguration_h
#define DataFormats_Provenance_ProcessConfiguration_h

#include "DataFormats/Provenance/interface/ParameterSetID.h"
#include "DataFormats/Provenance/interface/PassID.h"
#include "DataFormats/Provenance/interface/ProcessConfigurationID.h"
#include "DataFormats/Provenance/interface/ReleaseVersion.h"

#include <iosfwd>
#include <string>

namespace edm {
  class ProcessConfiguration {
  public:
    ProcessConfiguration();
    ProcessConfiguration(std::string const& procName,
                         ReleaseVersion const& relVersion,
                         PassID const& pass);

    ProcessConfiguration(std::string const& procName,
                         ParameterSetID const& pSetID,
                         ReleaseVersion const& relVersion,
                         PassID const& pass);

    std::string const& processName() const {return processName_;}
    ParameterSetID const& parameterSetID() const;
    bool isParameterSetValid() const {return parameterSetID_.isValid();}
    ReleaseVersion const& releaseVersion() const {return releaseVersion_;}
    PassID const& passID() const {return passID_;}
    ProcessConfigurationID id() const;

    void setParameterSetID(ParameterSetID const& pSetID);

    void reduce();

    void initializeTransients() const {transient_.reset();}

    struct Transients {
      Transients() : pcid_(), isCurrentProcess_(false) {}
      explicit Transients(bool current) : pcid_(), isCurrentProcess_(current) {}
      void reset() {
        pcid_.reset();
        isCurrentProcess_ = false;
      }
      ProcessConfigurationID pcid_;
      bool isCurrentProcess_;
    };

  private:
    ProcessConfigurationID& pcid() const {return transient_.pcid_;}
    bool& isCurrentProcess() const {return transient_.isCurrentProcess_;}

    std::string processName_;
    ParameterSetID parameterSetID_;
    ReleaseVersion releaseVersion_;
    PassID passID_;
    mutable Transients transient_;
  };

  bool
  operator<(ProcessConfiguration const& a, ProcessConfiguration const& b);

  inline
  bool
  operator==(ProcessConfiguration const& a, ProcessConfiguration const& b) {
    return a.processName() == b.processName() &&
    a.parameterSetID() == b.parameterSetID() &&
    a.releaseVersion() == b.releaseVersion() &&
    a.passID() == b.passID();
  }

  inline
  bool
  operator!=(ProcessConfiguration const& a, ProcessConfiguration const& b) {
    return !(a == b);
  }

  std::ostream&
  operator<<(std::ostream& os, ProcessConfiguration const& pc);
}

#endif