Class: Twingly::Metrics::Gauge

Inherits:

Object

• Object
• Twingly::Metrics::Gauge

Defined in:

lib/twingly/metrics/gauge.rb

Instance Method Summary

• #initialize(callable = nil, &block) ⇒ Gauge constructor

  Public: Initialize a new Gauge.

• #set(val) ⇒ Object

  Public: Set a new value.

• #value ⇒ Object

  Public: The current value.

Constructor Details

#initialize(callable = nil, &block) ⇒ Gauge

Public: Initialize a new Gauge.

# File 'lib/twingly/metrics/gauge.rb', line 9

def initialize(callable = nil, &block)
  @gauge = Atomic.new(nil)
  @callback = callable || block
end

Instance Method Details

#set(val) ⇒ Object

Public: Set a new value.

val - The new value.

Returns nothing.

# File 'lib/twingly/metrics/gauge.rb', line 19

def set(val)
  @gauge.value = val
end

#value ⇒ Object

Public: The current value.

Returns the gauge value.

# File 'lib/twingly/metrics/gauge.rb', line 26

def value
  @callback ? @callback.call : @gauge.value
end