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MpMuonFate.h

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//
// 0 -- kUnknown: should not happen
// 1 -- kNeedSim: do Geant4 simulation
//
// Others: 
//  bit 32: is always one. This will make geant4 skip this particle.
//  rpc and pool trigger information are packed into the other 31 bits.
// 
//
// Zhe Wang, 2 Oct 2009 at BNL
//
#ifndef _MP_MUON_FATE_H_
#define _MP_MUON_FATE_H_

#include <iostream>
#include "MpTriggerStat.h"

class MpMuonFate {
 public:
  enum {
    kUnknown  =0,          // Muon not found, and others
    kNeedSim  =1,          // Can't tell the fate of it. Need full simulation
    kDontSim  =0xf0000000  // Don't do geant simulation
  };

  MpMuonFate( unsigned int code) {
    m_code = code;
  };

  MpMuonFate( MpTriggerStat rpc, MpTriggerStat pool) {
    setCode(rpc,pool);
  }

  MpTriggerStat getRpcTriggerStat() {
    if(m_code == kNeedSim) {
      return MpTriggerStat::kNeedSim;   // Note that here might not be consistent with previous input
    } else {
      return (m_code & 0xff00) >> 8;
    }
  }

  MpTriggerStat getPoolTriggerStat() {
    if(m_code == kNeedSim) {
      return MpTriggerStat::kNeedSim;   // Note that here might not be consistent with previous input
    } else {
      return m_code & 0xff;
    }
  }

  unsigned int setCode( unsigned int code) {
    return m_code = code;
  }
  
  unsigned int setCode( MpTriggerStat rpc, MpTriggerStat pool) {
    if( rpc.getCode() == MpTriggerStat::kNeedSim ||
        pool.getCode() == MpTriggerStat::kNeedSim ) {
      return m_code = kNeedSim;
    } else { // I want to pack all trigger information into this status word
      return m_code = kDontSim | rpc.getCode()<<8 | pool.getCode();
    }
  }

  unsigned int getCode() const {
    return m_code; 
  };

  MpMuonFate& operator=(const MpMuonFate& rh) {
    m_code=rh.getCode();
    return *this;
  };

 private:
  unsigned int   m_code;

};

std::ostream & operator<<(std::ostream & os, const MpMuonFate & f);

#endif // _MP_MUON_FATE_H_

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