Class: Vitals::Formats::HostLastFormat

Inherits:
Object
  • Object
show all
Defined in:
lib/vitals/formats/host_last_format.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(environment: 'development', facility: 'default', host: 'localhost') ⇒ HostLastFormat

Returns a new instance of HostLastFormat.



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# File 'lib/vitals/formats/host_last_format.rb', line 7

def initialize(environment:'development', facility:'default', host:'localhost')
  @environment = environment
  @facility = facility
  @host = host
  @host =  Vitals::Utils.normalize_metric(host).freeze if @host
  @prefix = [environment, facility].compact.map{|m| Vitals::Utils.normalize_metric(m) }
                                   .join(Vitals::Utils::SEPARATOR).freeze
  @prefix_with_host = [environment, facility, @host].compact.map{|m| Vitals::Utils.normalize_metric(m) }
                                   .join(Vitals::Utils::SEPARATOR).freeze
end

Instance Attribute Details

#environment ⇒ Object

Returns the value of attribute environment.



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# File 'lib/vitals/formats/host_last_format.rb', line 3

def environment
  @environment
end

#facility ⇒ Object

Returns the value of attribute facility.



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# File 'lib/vitals/formats/host_last_format.rb', line 5

def facility
  @facility
end

#host ⇒ Object

Returns the value of attribute host.



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# File 'lib/vitals/formats/host_last_format.rb', line 4

def host
  @host
end

Instance Method Details

#format(m) ⇒ Object 



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# File 'lib/vitals/formats/host_last_format.rb', line 18

def format(m)
  return @prefix_with_host if (m.nil? || m.empty?)
  # TODO optimize by building a renderer function (inlining this) in the initializer.
  # see https://github.com/evanphx/benchmark-ips/blob/master/lib/benchmark/ips/job/entry.rb#L63
  [@prefix, Vitals::Utils.normalize_metric(m), @host].reject{|s| s.nil? || s.empty? }.join(Vitals::Utils::SEPARATOR)
end