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Class: Mongoid::Railties::ControllerRuntime::Collector

Relationships & Source Files
Inherits: Object
Defined in: lib/mongoid/railties/controller_runtime.rb

Overview

The Collector of MongoDB runtime metric, that subscribes to Mongo driver command monitoring. Stores the value within a thread-local variable to provide correct accounting when an application issues MongoDB operations from background threads.

Constant Summary

Class Attribute Summary

Class Method Summary

Instance Method Summary

Class Attribute Details

.runtime ⇒ Integer (rw)

Get the runtime value on the current thread.

Returns:

[ GitHub ] 

  


# File 'lib/mongoid/railties/controller_runtime.rb', line 80



def self.runtime
  Threaded.get(VARIABLE_NAME) { 0 }
end


  








  

    .runtime=(value)  ⇒ Integer  (rw)
  



  

    

::Set the runtime value on the current thread.


  





  
Parameters:


    
  
  • 
    value
    (Integer)
—    
    

    The runtime value.
    

    
  
    • 



Returns:





  [ GitHub ]


  

  


# File 'lib/mongoid/railties/controller_runtime.rb', line 89



def self.runtime= value
  Threaded.set(VARIABLE_NAME, value)
end


  







Class Method Details



  

    .reset_runtime  ⇒ Integer 
  



  

    

Reset the runtime value to zero the current thread.


  





  
Returns:


    
  
  • 
    (Integer)
—    
    

    The previous runtime value.
    

    
  
    • 





  [ GitHub ]


  

  


# File 'lib/mongoid/railties/controller_runtime.rb', line 96



def self.reset_runtime
  to_now = runtime
  self.runtime = 0
  to_now
end


  







Instance Method Details



  

    #_completed(e)  ⇒ Integer 
    Also known as: #succeeded, #failed
  



  

    

Call when event completed. Updates the runtime value.


  





  
Parameters:


    
  
  • 
    e
    (Mongo::Event::Base)
—    
    

    The monitoring event.
    

    
  
    • 



Returns:


    
  
  • 
    (Integer)
—    
    

    The current runtime value.
    

    
  
    • 





  [ GitHub ]


  

  


# File 'lib/mongoid/railties/controller_runtime.rb', line 71



def _completed e
  Collector.runtime += e.duration * 1000
end


  








  

    #failed(e)  
  



  

    

Alias for #_completed.


  



  [ GitHub ]


  

  


# File 'lib/mongoid/railties/controller_runtime.rb', line 75



alias :failed :_completed


  








  

    #started(_)  ⇒ nil 
  



  

    

Call when event started. Does nothing.


  





  
Returns:


    
  
  • 
    (nil)
—    
    

    Nil.
    

    
  
    • 





  [ GitHub ]


  

  


# File 'lib/mongoid/railties/controller_runtime.rb', line 64



def started _; end


  








  

    #succeeded(e)  
  



  

    

Alias for #_completed.


  



  [ GitHub ]


  

  


# File 'lib/mongoid/railties/controller_runtime.rb', line 74



alias :succeeded :_completed