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require 'concurrent/atomic/abstract_thread_local_var'
if Concurrent.on_jruby?
module Concurrent
# @!visibility private
# @!macro internal_implementation_note
class JavaThreadLocalVar < AbstractThreadLocalVar
# @!macro thread_local_var_method_get
def value
value = @var.get
if value.nil?
@default
elsif value == NULL
nil
else
value
end
end
# @!macro thread_local_var_method_set
def value=(value)
@var.set(value)
end
# @!macro thread_local_var_method_bind
def bind(value, &block)
if block_given?
old_value = @var.get
begin
@var.set(value)
yield
ensure
@var.set(old_value)
end
end
end
protected
# @!visibility private
def allocate_storage
@var = java.lang.ThreadLocal.new
end
end
end
end
|
