FairDbTimer.h

Go to the documentation of this file. Or view the newest version in sPHENIX GitHub for file FairDbTimer.h

#ifndef FAIRDBTIMER
#define FAIRDBTIMER


#include <string>

#include "TStopwatch.h"
#include "FairDbFieldType.h"

class FairDbTableMetaData;

class FairDbTimer
{

  public:

// Constructors and destructors.
    FairDbTimer();
    virtual ~FairDbTimer();

// State testing member functions

// State changing member functions
    void RecBegin(string tableName, UInt_t rowSize);
    void RecEnd(UInt_t numRows);
    void RecFillAgg(Int_t aggNo);
    void RecMainQuery();
    void Resume();
    void StartSubWatch(UInt_t subWatch);
    void Suspend();

// Global timer used for all queries to the DBI.

  private:

    enum  QueryStage { kPassive, kInitialQuery, kMainQuery };
    enum { kMaxSubWatch = 4 };  // Must be > 0.

// Data members

    Int_t fCurSubWatch; // Current SubWatch or -1 if disabled.
    UInt_t fRowSize;     // Size of row object
    QueryStage fQueryStage;  // Query stage
    TStopwatch fSubWatches[kMaxSubWatch]; // Partial timers
    string fTableName;   // Current table
    TStopwatch fWatch;       // Timer

    ClassDef(FairDbTimer,0)     // Simple query timer

};


#endif // FAIRDBTIMER