HLTPathStatus.h

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#ifndef DataFormats_Common_HLTPathStatus_h
#define DataFormats_Common_HLTPathStatus_h

#include "DataFormats/Common/interface/HLTenums.h"
#include <boost/cstdint.hpp>
#include <cassert>

namespace edm
{
  class HLTPathStatus {

  private:
    uint16_t status_;
    // bits 0- 1 (0-    3): HLT state
    // bits 2-16 (0-16383): index of module on path making path decision

  public:
    HLTPathStatus(const hlt::HLTState state = hlt::Ready, const unsigned int index = 0)
    : status_(index*4+state) {
      assert (((int)state)<4);
      assert (index<16384);
    }

    hlt::HLTState state() const {return (static_cast<hlt::HLTState>(status_ % 4));}
    unsigned int  index() const {return (static_cast<unsigned int >(status_ / 4));}
    void reset() {status_=0;}

    bool wasrun() const {return (state() != hlt::Ready);}
    bool accept() const {return (state() == hlt::Pass);}
    bool error()  const {return (state() == hlt::Exception);}

  };
}

#endif // DataFormats_Common_HLTPathStatus_h