Class: Concurrent::ThreadLocalVar

Inherits:
Object
  • Object
show all
Includes:
ThreadLocalJavaStorage, ThreadLocalNewStorage, ThreadLocalOldStorage
Defined in:
lib/concurrent/atomic/thread_local_var.rb

Constant Summary collapse

NIL_SENTINEL = 
Object.new

Constants included from ThreadLocalSymbolAllocator

Concurrent::ThreadLocalSymbolAllocator::COUNTER

Instance Method Summary collapse

Constructor Details

#initialize(default = nil) ⇒ ThreadLocalVar

Returns a new instance of ThreadLocalVar.



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# File 'lib/concurrent/atomic/thread_local_var.rb', line 86

def initialize(default = nil)
  @default = default
  allocate_storage
end

Instance Method Details

#value ⇒ Object 



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# File 'lib/concurrent/atomic/thread_local_var.rb', line 91

def value
  value = get

  if value.nil?
    @default
  elsif value == NIL_SENTINEL
    nil
  else
    value
  end
end

#value=(value) ⇒ Object 



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# File 'lib/concurrent/atomic/thread_local_var.rb', line 103

def value=(value)
  if value.nil?
    stored_value = NIL_SENTINEL
  else
    stored_value = value
  end

  set stored_value

  value
end