// $Id: IDbiTimerManager.hxx,v 1.1 2011/01/18 05:49:20 finch Exp $

#ifndef DBITIMERMANAGER
#define DBITIMERMANAGER

////////////////////////////////////////////////////////////////////////
/// \class COMET::IDbiTimerManager                                                    
///
/// \brief <b> Concept: </b>Manager of a set of simple timers.                      
///                                                                    
/// <b> Purpose: </b> To find out why this is all soooo sssllloooowwww!         
///                                                                    
////////////////////////////////////////////////////////////////////////

#include <string>
#include <list>

using std::string;
using std::list;

namespace COMET {
class IDbiTableMetaData;
class IDbiTimer;
}

namespace COMET {
class IDbiTimerManager
{

public:

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

// State testing member functions

// State changing member functions
    void Enable(Bool_t flag=kTRUE,
		Bool_t enableSubWatch = kFALSE) { fEnabled = flag;
                                    fSubWatchEnabled = enableSubWatch;}
    void RecBegin(string tableName, UInt_t rowSize);
    void RecEnd(UInt_t numRows);
    void RecFillAgg(Int_t aggNo);
    void RecMainQuery();
    void StartSubWatch(UInt_t subWatch);

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

static IDbiTimerManager gTimerManager;

private:

 IDbiTimer* GetCurrent();
 IDbiTimer* Pop();
 IDbiTimer* Push();

// Data members

          Bool_t fEnabled;     // Enable/disable
          Bool_t fSubWatchEnabled;
                               // SubWatch Enable/disable (not used now).
 list<IDbiTimer*> fTimers;      // Push-down stack of timers.

 ClassDef(IDbiTimerManager,0)    // Simple query timer

};
};


#endif // DBITIMERMANAGER