Class: Berater::Lock

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(capacity, contention, release_fn = nil) ⇒ Lock

Returns a new instance of Lock.



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# File 'lib/berater/lock.rb', line 6

def initialize(capacity, contention, release_fn = nil)
  @capacity = capacity
  @contention = contention
  @locked_at = Time.now
  @release_fn = release_fn
  @released_at = nil
end

Instance Attribute Details

#capacity ⇒ Object (readonly)

Returns the value of attribute capacity.



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# File 'lib/berater/lock.rb', line 4

def capacity
  @capacity
end

#contention ⇒ Object (readonly)

Returns the value of attribute contention.



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# File 'lib/berater/lock.rb', line 4

def contention
  @contention
end

Instance Method Details

#locked? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/berater/lock.rb', line 14

def locked?
  @released_at.nil?
end

#release ⇒ Object 



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# File 'lib/berater/lock.rb', line 18

def release
  raise 'lock already released' unless locked?

  @released_at = Time.now
  @release_fn&.call
  nil
end