Class: FnordMetric::ZeroConfigGauge

Inherits:
Object
  • Object
show all
Defined in:
lib/fnordmetric/zero_config_gauge.rb

Defined Under Namespace

Classes: EmtpyGauge

Constant Summary collapse

TYPES = 
[:_incr, :_decr, :_avg, :_min, :_max, :_set]
Handler = 
proc do
  if data[:gauge]
    gauge_key = data[:gauge].to_sym
  else
    FnordMetric.error("missing key for zero config event: gauge")
    next
  end

  unless data[:value]
    FnordMetric.error("missing key for zero config event: value")
    next
  end

  gauge = if namespace.gauges.has_key?(gauge_key)
    namespace.gauges[gauge_key]
  else
    namespace.opt_gauge(gauge_key,
      :flush_interval => data[:flush_interval],
      :average => (type == :_avg),
      :zero_config => true)
  end

  case type

    when :_set
      set_value gauge, data[:value].to_i

    when :_incr
      incr_tick gauge, data[:value].to_i

    when :_decr
      FnordMetric.error("_decr is not yet implemented")

    when :_avg
      incr_avg gauge, data[:value].to_i

    when :_min, :_max
      FnordMetric.error("_min/_max is not yet implemented")

  end
end

Instance Method Summary collapse

Constructor Details

#initialize(key, namespace) ⇒ ZeroConfigGauge

Returns a new instance of ZeroConfigGauge.



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# File 'lib/fnordmetric/zero_config_gauge.rb', line 115

def initialize(key, namespace)
  @key = key
  @namespace = namespace
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(*msg) ⇒ Object 



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# File 'lib/fnordmetric/zero_config_gauge.rb', line 128

def method_missing(*msg)
  gauge = @namespace.gauges[@key]

  if gauge
    gauge.send(*msg)
  else
    EmtpyGauge.send(*msg)
  end
end

Instance Method Details

#name ⇒ Object 



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# File 'lib/fnordmetric/zero_config_gauge.rb', line 120

def name
  @key
end

#title ⇒ Object 



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# File 'lib/fnordmetric/zero_config_gauge.rb', line 124

def title
  @key
end