Class: Streamdal::Counter

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, aud, labels = {}, value = 0.0) ⇒ Counter

Returns a new instance of Counter.



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

def initialize(name, aud, labels = {}, value = 0.0)
  @name = name
  @aud = aud
  @labels = labels
  @value = 0
  @last_updated = Time::now
  @value_mtx = Mutex.new
end

Instance Attribute Details

#aud ⇒ Object

Returns the value of attribute aud.



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

def aud
  @aud
end

#labels ⇒ Object

Returns the value of attribute labels.



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

def labels
  @labels
end

#last_updated ⇒ Object

Returns the value of attribute last_updated.



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

def last_updated
  @last_updated
end

#name ⇒ Object

Returns the value of attribute name.



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

def name
  @name
end

Instance Method Details

#incr(val) ⇒ Object 



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# File 'lib/metrics.rb', line 14

def incr(val)
  @value_mtx.synchronize do
    @value = @value + val
    @last_updated = Time::now
  end
end

#reset ⇒ Object 



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# File 'lib/metrics.rb', line 21

def reset
  @value_mtx.synchronize do
    @value = 0.0
  end
end

#val ⇒ Object 



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# File 'lib/metrics.rb', line 27

def val
  @value_mtx.synchronize do
    @value
  end
end