Class: D13n::Metric::Instrumentation::Conductor::Performance

Inherits:
Object
  • Object
show all
Defined in:
lib/d13n/metric/conductor.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Performance

Returns a new instance of Performance.



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# File 'lib/d13n/metric/conductor.rb', line 61

def initialize
  @dependences = []
  @performances = []
  @name = nil
end

Instance Attribute Details

#dependences ⇒ Object (readonly)

Returns the value of attribute dependences.



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# File 'lib/d13n/metric/conductor.rb', line 59

def dependences
  @dependences
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/d13n/metric/conductor.rb', line 53

def name
  @name
end

#performed ⇒ Object (readonly)

Returns the value of attribute performed.



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# File 'lib/d13n/metric/conductor.rb', line 52

def performed
  @performed
end

Instance Method Details

#allowed_by_config? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/d13n/metric/conductor.rb', line 101

def allowed_by_config?
  return true if self.name.nil?

  key = "instrumentation.#{self.name}.disable".to_sym

  if (D13n.config[key] == true)
    D13n.logger.debug("Not setting up #{self.name} instrumentation for configuration #{key}")
    false
  else
    true
  end
end

#check_dependences ⇒ Object 



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# File 'lib/d13n/metric/conductor.rb', line 88

def check_dependences
  return false unless allowed_by_config? && dependences

  dependences.all? do |score|
    begin
      score.call
    rescue => e
      D13n.logger.error("Error while checking #{self.name}:", e)
      false
    end
  end
end

#depend_on ⇒ Object 



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# File 'lib/d13n/metric/conductor.rb', line 84

def depend_on
  @dependences << Proc.new
end

#named(new_name) ⇒ Object 



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# File 'lib/d13n/metric/conductor.rb', line 114

def named(new_name)
  self.name = new_name
end

#perform ⇒ Object 



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# File 'lib/d13n/metric/conductor.rb', line 71

def perform
  @performances.each do |p|
    begin
      p.call
    rescue => e
      D13n.logger.error("Error while setting up #{self.name} instrumentation:", e)
      break
    end
  end
ensure
  perform!
end

#perform! ⇒ Object 



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# File 'lib/d13n/metric/conductor.rb', line 55

def perform!
  @performed = true
end

#performances ⇒ Object 



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# File 'lib/d13n/metric/conductor.rb', line 118

def performances
  @performances << Proc.new
end

#ready? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/d13n/metric/conductor.rb', line 67

def ready?
  !performed and check_dependences
end