src/DataReader.hh

   1 /*
   2  * DataReader.hh
   3  *
   4  *  Created on: Nov 7, 2010
   5  *      Author: lamikr
   6  */
   7
   8 #ifndef DATAREADER_H_
   9 #define DATAREADER_H_
  10
  11 #include <string>
  12 #include <vector>
  13
  14 #include "Data.hh"
  15 #include "Date.hh"
  16 #include "DeviceConfig.hh"
  17
  18 #include <time.h>
  19
  20 namespace plp {
  21         /**
  22          * DataReader is able to read old data from the device.
  23          */
  24         class DataReader {
  25                 public:
  26                         DataReader(std::string device_id);
  27                         virtual ~DataReader();
  28                         DataRange *get_data_range();
  29                         /**
  30                          * Get monthly summary data.
  31                          * Depending from the device type, it may be daily mean value, daily delta, highest value, etc...
  32                          */
  33                         DataRange *get_yearly_summary(Date *date, EnumSummaryCalculationType calc_type);
  34                         DataRange *get_yearly_summary(Date *date);
  35                         DataRange *get_yearly_summary(Date *start_date, Date *end_date);
  36                         /**
  37                          * Get monthly summary data.
  38                          * Depending from the device type, it may be daily mean value, daily delta, highest value, etc...
  39                          */
  40                         DataRange *get_monthly_summary(Date *date, EnumSummaryCalculationType calc_type);
  41                         DataRange *get_monthly_summary(Date *date);
  42                         DataRange *get_monthly_summary(Date *start_date, Date *end_date);
  43
  44                         /**
  45                          * Get daily summary data calculated from the daily data items.
  46                          * Depending from the device type, it may be daily mean value, daily delta, highest value, etc...
  47                          */
  48                         /*
  49                          * Get Daily summary from the latest date
  50                          */
  51                         DataRange *get_daily_summary();
  52                         /*
  53                          * Get Daily summary specified by the calc_type from the latest date.
  54                          */
  55                         DataRange *get_daily_summary(EnumSummaryCalculationType calc_type);
  56                         DataRange *get_daily_summary(Date *date, EnumSummaryCalculationType calc_type);
  57                         DataRange *get_daily_summary(Date *date);
  58                         DataRange *get_daily_summary(Date *start_date, Date *end_date);
  59
  60                         DataRange *get_hourly_summary(Date *date, EnumSummaryCalculationType calc_type);
  61                         DataRange *get_hourly_summary(Date *date);
  62                         DataRange *get_hourly_summary(Date *start_date, Date *end_date);
  63
  64                         DataRange *get_data(Date *start_date, Date *end_date);
  65                         std::string get_device_id();
  66                         bool get_device_type(std::string& type_param);
  67                         Data *get_latest_data();
  68                 protected:
  69                         std::string                     device_id;
  70                         std::string                     device_dir;
  71                         std::string                     device_ch_dir;
  72                         DeviceConfig                    *device_config;
  73                         EnumSummaryCalculationType      summary_calc_type;
  74                         Data *find_oldest_data(std::vector<std::string> year_vector);
  75                         Data *find_latest_data(std::vector<std::string> year_vector);
  76                         DataRange *get_summary(Date *date_param,
  77                                         EnumSummaryCalculationType calc_type_param,
  78                                         EnumSummaryPeriod period_type_param);
  79         };
  80 }
  81
  82 #endif /* DATAREADER_H_ */