Class: RateCounter

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(samples = 50) ⇒ RateCounter

Returns a new instance of RateCounter.



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# File 'lib/ratecounter.rb', line 5

def initialize(samples = 50)
    self.samples = samples 
    self.sampledata = Array.new 
end

Instance Attribute Details

#sampledata ⇒ Object

Returns the value of attribute sampledata.



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# File 'lib/ratecounter.rb', line 3

def sampledata
  @sampledata
end

#samples ⇒ Object

Returns the value of attribute samples.



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# File 'lib/ratecounter.rb', line 3

def samples
  @samples
end

Instance Method Details

#rate ⇒ Object 



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# File 'lib/ratecounter.rb', line 17

def rate
    numSeconds = self.sampledata.last - self.sampledata.first
    return 0 if self.sampledata.length == 0 || numSeconds == 0 
    return self.sampledata.length.to_f / numSeconds.to_f
end

#tick ⇒ Object 



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# File 'lib/ratecounter.rb', line 10

def tick
    self.sampledata << Time.now
    while (self.sampledata.length > 50) do
        self.sampledata.delete(self.sampledata.first)
    end
end