Class: PulseMeter::Sensor::Timelined::Average

Inherits:
PulseMeter::Sensor::Timeline show all
Defined in:
lib/pulse_meter/sensor/timelined/average.rb

Overview

Average value over interval

Constant Summary

Constants inherited from PulseMeter::Sensor::Timeline

PulseMeter::Sensor::Timeline::DEFAULTS, PulseMeter::Sensor::Timeline::MAX_TIMESPAN_POINTS

Constants included from PulseMeter::Sensor::TimelineReduce

PulseMeter::Sensor::TimelineReduce::MAX_INTERVALS

Constants included from Mixins::Dumper

Mixins::Dumper::DUMP_REDIS_KEY

Instance Attribute Summary

Attributes inherited from PulseMeter::Sensor::Timeline

#interval, #raw_data_ttl, #reduce_delay, #timezone, #ttl

Attributes inherited from Base

#name, #redis

Instance Method Summary collapse

Methods inherited from PulseMeter::Sensor::Timeline

#cleanup, #current_interval_id, #current_raw_data_key, #data_key, #deflate_safe, #drop_within, #event_at, #get_interval_id, #get_raw_value, #initialize, #raw_data_key, #timeline, #timeline_within

Methods included from PulseMeter::Sensor::TimelineReduce

#collect_ids_to_reduce, included, #reduce, #reduce_all_raw

Methods included from Mixins::Utils

#assert_array!, #assert_positive_integer!, #assert_ranged_float!, #camelize, #camelize_keys, #constantize, #each_subset, #parse_time, #subsets_of, #symbolize_keys, #titleize, #underscore, #uniqid

Methods inherited from Base

#annotate, #annotation, #cleanup, #command_aggregator, #event, #initialize

Methods included from Mixins::Dumper

included

Constructor Details

This class inherits a constructor from PulseMeter::Sensor::Timeline

Instance Method Details

#aggregate_event(key, value) ⇒ Object 



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# File 'lib/pulse_meter/sensor/timelined/average.rb', line 7

def aggregate_event(key, value)
  command_aggregator.hincrby(key, :count, 1)
  command_aggregator.hincrby(key, :sum, value)
end

#summarize(key) ⇒ Object 



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# File 'lib/pulse_meter/sensor/timelined/average.rb', line 12

def summarize(key)
  count = redis.hget(key, :count)
  sum = redis.hget(key, :sum)
  if count && !count.empty?
    sum.to_f / count.to_f
  else
    0
  end
end