Class: Rubcask::Concurrency::FakeAtomicFixnum

Inherits:
Object
  • Object
show all
Defined in:
lib/rubcask/concurrency/fake_atomic_fixnum.rb

Overview

A fake class that implements interface of Concurrent::AtomicFixnum without actually doing any synchronization

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(initial = 0) ⇒ FakeAtomicFixnum

Returns a new instance of FakeAtomicFixnum.



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# File 'lib/rubcask/concurrency/fake_atomic_fixnum.rb', line 9

def initialize(initial = 0)
  @value = initial
end

Instance Attribute Details

#value ⇒ Object

Returns the value of attribute value.



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# File 'lib/rubcask/concurrency/fake_atomic_fixnum.rb', line 8

def value
  @value
end

Instance Method Details

#compare_and_set(expected, update) ⇒ Object 



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# File 'lib/rubcask/concurrency/fake_atomic_fixnum.rb', line 13

def compare_and_set(expected, update)
  @value = update if @value == expected
  @value
end

#decrement(delta = 1) ⇒ Object 



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# File 'lib/rubcask/concurrency/fake_atomic_fixnum.rb', line 18

def decrement(delta = 1)
  @value -= delta
  @value
end

#increment(delta = 1) ⇒ Object 



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# File 'lib/rubcask/concurrency/fake_atomic_fixnum.rb', line 23

def increment(delta = 1)
  @value += delta
  @value
end

#update ⇒ Object 



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# File 'lib/rubcask/concurrency/fake_atomic_fixnum.rb', line 28

def update
  @value = yield(@value)
  @value
end