.. _program_listing_file_xAODAnaHelpers_OnlineBeamSpotTool.h:

Program Listing for File OnlineBeamSpotTool.h
=============================================

|exhale_lsh| :ref:`Return to documentation for file <file_xAODAnaHelpers_OnlineBeamSpotTool.h>` (``xAODAnaHelpers/OnlineBeamSpotTool.h``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   #ifndef xAODAnaHelpers_OnlineBeamSpotTool_H
   #define xAODAnaHelpers_OnlineBeamSpotTool_H
   
   #include "xAODEventInfo/EventInfo.h"
   #include "xAODAnaHelpers/EventInfo.h"
   
   #include <vector>
   #include <map>
   
   namespace xAH {
   
     class OnlineBeamSpotTool
     {
   
     public:
       enum BSData{
         BSx,
         BSy,
         BSz
       };
   
     private:
       struct LBData {
         int m_LBStart;
         int m_LBEnd;
         float m_BSx;
         float m_BSy;
         float m_BSz;
   
         LBData(int LBStart, int LBEnd, float BSx, float BSy, float BSz){
       m_LBStart = LBStart;
       m_LBEnd   = LBEnd;
       m_BSx     = BSx;
       m_BSy     = BSy;
       m_BSz     = BSz;
         }
       };
   
       typedef std::vector<LBData>    RunInfo;
       typedef std::map<int, RunInfo> RunToLBDataMap;
       typedef std::map<int, RunInfo>::iterator RunToLBDataMapItr;
   
     public:
   
       OnlineBeamSpotTool();
       ~OnlineBeamSpotTool();
   
       float getOnlineBSInfo(const xAOD::EventInfo* eventInfo, BSData datakey);
       float getOnlineBSInfo(const xAH::EventInfo* eventInfo, BSData datakey);
       float getOnlineBSInfo(int runNumber, int lumiBlock, bool isMC, BSData datakey);
   
     private:
   
       const LBData*  getLBData(int runNumber, int lumiBlock, bool isMC);
       const LBData*  getLBData(int lumiBlock);
   
       void setRunInfo(int runNumber);
       void readFile(std::string rootFileName);
   
       RunToLBDataMap m_runList;
   
       int m_cachedRunNum;
       int m_cachedLB;
       RunInfo* m_cachedRunInfo;
       LBData*  m_cachedLBData;
       LBData*  m_mcLBData;
   
   
     };
   
   }//xAH
   #endif // xAODAnaHelpers_OnlineBeamSpotTool_H