Class: Harness::Counter

Inherits:
Measurement show all
Defined in:
lib/harness/counter.rb

Instance Attribute Summary

Attributes inherited from Measurement

#id, #name, #source, #time, #units, #value

Class Method Summary collapse

Methods inherited from Measurement

#attributes, #initialize, #log

Constructor Details

This class inherits a constructor from Harness::Measurement

Class Method Details

.from_event(event) ⇒ Object 



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# File 'lib/harness/counter.rb', line 5

def self.from_event(event)
  if event.payload[:counter].is_a? Hash
    counter = new event.payload[:counter]
  elsif event.payload[:counter].is_a?(Symbol) || event.payload[:counter].is_a?(String)
    counter = new :id => event.payload[:counter].to_s
  else
    counter = new
  end

  counter.id ||= event.name

  Harness.redis.sadd 'counters', counter.id

  if event.payload[:counter].is_a? Fixnum
    counter.value = event.payload[:counter]
  end

  if counter.value
    Harness.redis.set counter.id, counter.value
  else
    counter.value = Harness.redis.incr(counter.id).to_i
  end

  Harness.redis.zadd "meters/#{counter.id}", counter.time.to_f, counter.value

  counter
end