LArBadChanFebState.h

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/*
  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef LArBadChanFebState_H
#define LArBadChanFebState_H
 
#include "LArRecConditions/LArBadChannel.h"
#include "LArRecConditions/LArBadFeb.h"
#include "LArRecConditions/LArBadChanBitPacking.h"
#include <vector>

 
class LArBadChanFebState {
public:
 
  LArBadChanFebState() : m_status() {}
 
  void resetChannels() { 
    if (m_vec.capacity() != 0) std::vector<LArBadChannel>().swap(m_vec); // clear() and free the memory
  }
 
  // void setBad() {m_bad = true;} // replaced by setFebStatus
  void setFebStatus( LArBadFeb s) {m_status = s;}
  void resetBad() {m_status = LArBadFeb();}

  bool bad() const {return !m_status.good();}

  LArBadFeb febStatus() const {return m_status;}

  bool empty() const {return m_vec.empty();}
 
  void addChannel( unsigned int chan, LArBadChannel chanState) {
    // FIXME 128 (number of channels per FEB) is a hard-wired constant here
    if (m_vec.size() != 128) m_vec.resize(128);
    m_vec.at(chan) = chanState;
  }

  LArBadChannel status( unsigned int chan) const {
    static LArBadChannel goodState(0);
    static LArBadChannel badState = setBadState(); // initialized only at first call
 
    if (empty()) {
      if (bad()) return badState;
      else       return goodState;
    }
    else {
      if (!bad()) return m_vec.at(chan);
      else return LArBadChannel( m_vec.at(chan).packedData() | badState.packedData());
    }
 
    // does not return channel info in case the FEB is missing
    // return ( bad() ? badState : ( m_vec.empty() ? goodState : m_vec.at(chan)));
  }
 
private:
 
  LArBadFeb                  m_status;
  std::vector<LArBadChannel> m_vec;
 
  LArBadChannel setBadState() const {
    LArBadChanBitPacking packing;
    LArBadChannel bs;
    packing.setBit( LArBadChannel::LArBadChannelEnum::missingFEBBit, bs);
    return bs;
  }
 
};
 
#endif