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LuminosityBlockAuxiliary.cc

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#include "DataFormats/Provenance/interface/LuminosityBlockAuxiliary.h"
#include <ostream>

/*----------------------------------------------------------------------

$Id: LuminosityBlockAuxiliary.cc,v 1.2 2008/01/23 23:34:54 wdd Exp $

----------------------------------------------------------------------*/

namespace edm {
  void
  LuminosityBlockAuxiliary::write(std::ostream& os) const {
    os << "Process History ID = " <<  processHistoryID_ << std::endl;
    os << id_ << std::endl;
  }

  bool
  LuminosityBlockAuxiliary::mergeAuxiliary(LuminosityBlockAuxiliary const& newAux) {
    if (beginTime_ == Timestamp::invalidTimestamp() ||
        newAux.beginTime() == Timestamp::invalidTimestamp()) {
      beginTime_ = Timestamp::invalidTimestamp();
    }
    else if (newAux.beginTime() < beginTime_) {
      beginTime_ = newAux.beginTime();
    }
   
    if (endTime_ == Timestamp::invalidTimestamp() ||
        newAux.endTime() == Timestamp::invalidTimestamp()) {
      endTime_ = Timestamp::invalidTimestamp();
    }
    else if (newAux.endTime() > endTime_) {
      endTime_ = newAux.endTime();
    }

    // Keep the process history ID that is in the preexisting principal
    // It may have been updated to include the current process.
    // There is one strange other case where the two ProcessHistoryIDs
    // could be different which should not be important and we just ignore.
    // There could have been previous processes which only dropped products.
    // These processes could have dropped the same branches but had different
    // process names ... Ignore this.

    if (id_ != newAux.id()) return false;
    return true;
  }
}

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