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Class: ActiveSupport::Notifications::Event

Relationships & Source Files
Inherits: Object
Defined in: activesupport/lib/active_support/notifications/instrumenter.rb

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Constructor Details

.new(name, start, ending, transaction_id, payload) ⇒ Event

[ GitHub ] 

  


# File 'activesupport/lib/active_support/notifications/instrumenter.rb', line 58



def initialize(name, start, ending, transaction_id, payload)
  @name           = name
  @payload        = payload.dup
  @time           = start
  @transaction_id = transaction_id
  @end            = ending
  @children       = []
  @duration       = nil
end


  







Instance Attribute Details



  

    #children   (readonly)
  

  [ GitHub ]


  

  


# File 'activesupport/lib/active_support/notifications/instrumenter.rb', line 55



attr_reader :name, :time, :transaction_id, :payload, :children


  








  

    #end   (rw)
  

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# File 'activesupport/lib/active_support/notifications/instrumenter.rb', line 56



attr_accessor :end


  








  

    #name   (readonly)
  

  [ GitHub ]


  

  


# File 'activesupport/lib/active_support/notifications/instrumenter.rb', line 55



attr_reader :name, :time, :transaction_id, :payload, :children


  








  

    #payload   (readonly)
  

  [ GitHub ]


  

  


# File 'activesupport/lib/active_support/notifications/instrumenter.rb', line 55



attr_reader :name, :time, :transaction_id, :payload, :children


  








  

    #time   (readonly)
  

  [ GitHub ]


  

  


# File 'activesupport/lib/active_support/notifications/instrumenter.rb', line 55



attr_reader :name, :time, :transaction_id, :payload, :children


  








  

    #transaction_id   (readonly)
  

  [ GitHub ]


  

  


# File 'activesupport/lib/active_support/notifications/instrumenter.rb', line 55



attr_reader :name, :time, :transaction_id, :payload, :children


  







Instance Method Details



  

    #<<(event)  
  

  [ GitHub ]


  

  


# File 'activesupport/lib/active_support/notifications/instrumenter.rb', line 84



def <<(event)
  @children << event
end


  








  

    #duration  
  



  

    

Returns the difference in milliseconds between when the execution of the event started and when it ended.



ActiveSupport::Notifications.subscribe('wait') do |*args|
  @event = ActiveSupport::Notifications::Event.new(*args)
end

ActiveSupport::Notifications.instrument('wait') do
  sleep 1
end

@event.duration # => 1000.138


  



  [ GitHub ]


  

  


# File 'activesupport/lib/active_support/notifications/instrumenter.rb', line 80



def duration
  @duration ||= 1000.0 * (self.end - time)
end


  








  

    #parent_of?(event)  ⇒ Boolean 
  



  

    
  





  


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# File 'activesupport/lib/active_support/notifications/instrumenter.rb', line 88



def parent_of?(event)
  @children.include? event
end