Class: Bunny::Concurrent::AtomicFixnum

Inherits:
Object
  • Object
show all
Defined in:
lib/bunny/concurrent/atomic_fixnum.rb

Overview

Note:

Designed to be intentionally minimalistic and only cover Bunny’s needs.

Minimalistic implementation of a synchronized fixnum value, designed after (but not implementing the entire API of!)

Instance Method Summary collapse

Constructor Details

#initialize(n = 0) ⇒ AtomicFixnum

Returns a new instance of AtomicFixnum.



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# File 'lib/bunny/concurrent/atomic_fixnum.rb', line 16

def initialize(n = 0)
  @n     = n
  @mutex = Monitor.new
end

Instance Method Details

#==(m) ⇒ Object 



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# File 'lib/bunny/concurrent/atomic_fixnum.rb', line 68

def ==(m)
  @mutex.synchronize { @n == m }
end

#===(v) ⇒ Object 



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# File 'lib/bunny/concurrent/atomic_fixnum.rb', line 72

def ===(v)
  @mutex.synchronize { @n === v }
end

#decrement ⇒ Object Also known as: dec, decrement_and_get 



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# File 'lib/bunny/concurrent/atomic_fixnum.rb', line 60

def decrement
  @mutex.synchronize do
    @n = @n - 1
  end
end

#get ⇒ Object Also known as: to_i 



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# File 'lib/bunny/concurrent/atomic_fixnum.rb', line 21

def get
  @mutex.synchronize do
    @n
  end
end

#get_and_add(i) ⇒ Object 



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# File 'lib/bunny/concurrent/atomic_fixnum.rb', line 42

def get_and_add(i)
  @mutex.synchronize do
    v = @n
    @n = @n + i

    v
  end
end

#get_and_increment ⇒ Object 



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# File 'lib/bunny/concurrent/atomic_fixnum.rb', line 51

def get_and_increment
  @mutex.synchronize do
    v = @n
    @n = @n + 1

    v
  end
end

#increment ⇒ Object Also known as: inc, increment_and_get 



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# File 'lib/bunny/concurrent/atomic_fixnum.rb', line 34

def increment
  @mutex.synchronize do
    @n = @n + 1
  end
end

#set(n) ⇒ Object 



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# File 'lib/bunny/concurrent/atomic_fixnum.rb', line 28

def set(n)
  @mutex.synchronize do
    @n = n
  end
end