Class: TingYun::Metrics::MetricData

Inherits:
Object
  • Object
show all
Defined in:
lib/ting_yun/metrics/metric_data.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(metric_spec, stats, metric_id, quantile = []) ⇒ MetricData

Returns a new instance of MetricData.



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# File 'lib/ting_yun/metrics/metric_data.rb', line 18

def initialize(metric_spec, stats, metric_id, quantile = [])
  @metric_spec = metric_spec
  @stats = stats
  @metric_id = metric_id
  @quantile = quantile
end

Instance Attribute Details

#metric_id ⇒ Object

nil or a cached integer ID for the metric from the collector.



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# File 'lib/ting_yun/metrics/metric_data.rb', line 13

def metric_id
  @metric_id
end

#metric_spec ⇒ Object (readonly)

nil, or a TingYun::Metrics::MetricSpec object if we have no cached ID



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# File 'lib/ting_yun/metrics/metric_data.rb', line 11

def metric_spec
  @metric_spec
end

#quantile ⇒ Object (readonly)

Returns the value of attribute quantile.



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# File 'lib/ting_yun/metrics/metric_data.rb', line 16

def quantile
  @quantile
end

#stats ⇒ Object

the actual statistics object



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# File 'lib/ting_yun/metrics/metric_data.rb', line 15

def stats
  @stats
end

Instance Method Details

#eql?(o) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ting_yun/metrics/metric_data.rb', line 25

def eql?(o)
  (metric_spec.eql? o.metric_spec) && (stats.eql? o.stats)
end

#hash ⇒ Object 



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# File 'lib/ting_yun/metrics/metric_data.rb', line 29

def hash
  metric_spec.hash ^ stats.hash
end

#inspect ⇒ Object 



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# File 'lib/ting_yun/metrics/metric_data.rb', line 46

def inspect
  "#<MetricData metric_spec:#{metric_spec.inspect}, stats:#{stats.inspect}, metric_id:#{metric_id.inspect}>"
end

#metrics(stat_key) ⇒ Object 



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# File 'lib/ting_yun/metrics/metric_data.rb', line 64

def metrics(stat_key)
  stats.metrics(stat_key)
end

#to_collector_array(encoder = nil) ⇒ Object 



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# File 'lib/ting_yun/metrics/metric_data.rb', line 51

def to_collector_array(encoder=nil)
  stat_key = metric_id || to_hash
  if quantile.empty?
    [stat_key, metrics(stat_key)]
  else
    [stat_key, metrics(stat_key), quantile]
  end
end

#to_hash ⇒ Object 



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# File 'lib/ting_yun/metrics/metric_data.rb', line 60

def to_hash
  metric_spec.to_hash
end

#to_json(*a) ⇒ Object

Serialize with all attributes, but if the metric id is not nil, then don’t send the metric spec



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# File 'lib/ting_yun/metrics/metric_data.rb', line 34

def to_json(*a)
  %Q[{"metric_spec":#{metric_id ? 'null' : metric_spec.to_json},"stats":{"total_exclusive_time":#{stats.total_exclusive_time},"min_call_time":#{stats.min_call_time},"call_count":#{stats.call_count},"sum_of_squares":#{stats.sum_of_squares},"total_call_time":#{stats.total_call_time},"max_call_time":#{stats.max_call_time}},"metric_id":#{metric_id ? metric_id : 'null'}}]
end

#to_s ⇒ Object 



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# File 'lib/ting_yun/metrics/metric_data.rb', line 38

def to_s
  if metric_spec
    "#{metric_spec.name}(#{metric_spec.scope}): #{stats}"
  else
    "#{metric_id}: #{stats}"
  end
end