DEPICSstore.cc

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// $Id$
//
//    File: DEPICSStore.cc
// Created: Tue Nov 18 15:44:17 EST 2014
// Creator: sdobbs (on Linux ifarm1102 2.6.32-220.7.1.el6.x86_64 x86_64)
//

#include <DEPICSstore.h>

//----------------
// GetValue
//   get last read EPICS value, if we have come across it
//----------------
const DEPICSvalue *DEPICSstore::GetValue(string name)
{
   map<string, DEPICSvalue_data_t>::iterator result_itr = stored_values.find(name);
   if(result_itr == stored_values.end())
      return NULL;
   else
      return result_itr->second.value;
}

const double DEPICSstore::GetAverage(string name)
{
   map<string, DEPICSvalue_data_t>::iterator result_itr = stored_values.find(name);
   if(result_itr == stored_values.end())
      return -1.;
   else
      return result_itr->second.cumulative_average;
}

void DEPICSstore::AddValue(const DEPICSvalue *new_value)
{
   map<string, DEPICSvalue_data_t>::iterator result_itr = stored_values.find(new_value->name);
   if(result_itr == stored_values.end()) {
      stored_values[new_value->name] = DEPICSvalue_data_t();
      stored_values[new_value->name].value = new DEPICSvalue(*new_value);
      stored_values[new_value->name].first_time = new_value->timestamp;
   } else {
      // float values aren't working for now in DEPICSvalue objects?
      // just use string values, which seem to be okay
      //stored_values[new_value->name].cumulative_average += stored_values[new_value->name].value->fval / static_cast<double>( new_value->timestamp - stored_values[new_value->name].value->timestamp );   
      stored_values[new_value->name].cumulative_average += atof(stored_values[new_value->name].value->sval.c_str()) / static_cast<double>( new_value->timestamp - stored_values[new_value->name].value->timestamp );   
      if(stored_values[new_value->name].value != NULL)
         delete stored_values[new_value->name].value;
      stored_values[new_value->name].value = new DEPICSvalue(*new_value);
   }
}

void DEPICSstore::ClearAverages()
{
   for(map<string, DEPICSvalue_data_t>::iterator val_itr = stored_values.begin();
       val_itr != stored_values.end(); val_itr++) {
      val_itr->second.cumulative_average = 0.;
   }
}


void DEPICSstore::ResetStartTimes(time_t new_start_time)
{
   for(map<string, DEPICSvalue_data_t>::iterator val_itr = stored_values.begin();
       val_itr != stored_values.end(); val_itr++) {
      val_itr->second.first_time = new_start_time;
   }
}


vector<string> DEPICSstore::GetNames()
{
   vector<string> names;
   for(map<string, DEPICSvalue_data_t>::iterator val_itr = stored_values.begin();
       val_itr != stored_values.end(); val_itr++) {
      names.push_back(val_itr->first);
   }
   return names;
}