class Spectator::Gauge
A meter with a single value that can only be sampled at a point in time. A typical example is a queue size.
Public Class Methods
new(id)
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Initialize a new instance of a Gauge
with the given id
# File lib/spectator/gauge.rb, line 11 def initialize(id) @id = id @value = AtomicNumber.new(Float::NAN) end
Public Instance Methods
get()
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Get the current value
# File lib/spectator/gauge.rb, line 17 def get @value.get end
measure()
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Get the current value, and reset it
# File lib/spectator/gauge.rb, line 27 def measure [Measure.new(@id.with_default_stat('gauge'), @value.get_and_set(Float::NAN))] end
set(value)
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Set the current value to the number specified
# File lib/spectator/gauge.rb, line 22 def set(value) @value.set(value) end
to_s()
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A string representation of this gauge, useful for debugging purposes
# File lib/spectator/gauge.rb, line 33 def to_s "Gauge{id=#{@id}, value=#{@value.get}}" end