TSStats.h

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#ifndef TSSTATS_H
#define TSSTATS_H

#include  <iostream>
#include  <string>
#include  <vector>
#include  <map>

#include  "FixLenTimeSeries.h"
#include  "VersionRWLock.h"


typedef double  TimeStamp;   


typedef double  TimeSec;     

typedef string  IDType;                            

typedef vector<IDType>  IDVect;


struct TSStats : public map<IDType, FixLenTimeSeries>
{
  public:
    typedef enum
    {   ID_NOT_FOUND
    } Error;
    
    TimeStamp  time_stamp;   

    TimeSec  precision;    

    int32  window_size;  

    VersionRWLock  vlock;
  
  TimeSec getPrecision() { return precision; }

    TSStats copy(
                int32  window_size = 0,
              TimeSec  precision = 0,
            TimeStamp  time_stamp = 0
                );

    TSStats copy(
        IDVect ids,
        int32  window_size = 0,
        TimeSec precision = 0, 
        TimeStamp time_stamp = 0
                );

    FixLenTimeSeries copyStatistics(
                         IDType  id,
                          int32  window_size = 0,
                        TimeSec  precision = 0, 
                      TimeStamp  time_stamp = 0
                                   )
                              throw( Error );

private:
    /*
     * This is a tool function used by other functions that copy
     * statistics out of the Stats
     * Set the parameter of tss_copy according to the given tss and
     * parameters. Returns the parameter "k" used in the next function
     */
    double setParameter(
               int32   window_size,
             TimeSec   precision,
           TimeStamp   time_stamp,
             TSStats  &tss_copy
                       ) const;

};

ostream  &operator<<( ostream  &os, const  TSStats  &tss );

#endif                       // TSSTATS_H

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