AverageReader.h

// -*- c++ -*-

#ifndef __AVERAGE_READER_H__
#define __AVERAGE_READER_H__

#include "storage/RawDataReader.h"


class AverageReader : public DataReader {
public:

  AverageReader(Index &index, double delta);

  const RawValue::Data *find(const std::string& channel_name,
                             const epicsTime* start);

  const std::string &getName() const;
   
  const RawValue::Data *next();
    
  const RawValue::Data *get() const;
    
  DbrType getType() const;
    
  DbrCount getCount() const;
    
  const CtrlInfo &getInfo() const;
    
  bool changedType();
    
  bool changedInfo();
    
  bool isRaw() const
  {   return is_raw; }
    
    double getMinimum() const
    {   return minimum; }

    double getMaximum() const
    {   return maximum; }
    
protected:
    RawDataReader reader;
    double delta;

    // Current value of reader
    const RawValue::Data *reader_data;

    // Current value of this AverageReader
    epicsTime end_of_bin;
    DbrType type;
    DbrCount count;
    CtrlInfo info;
    bool type_changed;
    bool ctrl_info_changed;
    RawValueAutoPtr data;
    
    bool is_raw;
    double minimum, maximum;
};


#endif