Module: JustOneLock

Extended by:
Forwardable
Defined in:
lib/just_one_lock.rb,
lib/just_one_lock/version.rb

Defined Under Namespace

Classes: AlreadyLocked, BaseLocker, BlockingLocker, NonBlockingLocker, World

Constant Summary collapse

VERSION = 
'0.2.0'

Class Method Summary collapse

Class Method Details

.prevent_multiple_executions(scope, locker = JustOneLock::NonBlockingLocker.new, &block) ⇒ Object 



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# File 'lib/just_one_lock.rb', line 20

def self.prevent_multiple_executions(
  scope,
  locker = JustOneLock::NonBlockingLocker.new,
  &block
)
  scope_name = scope.gsub(':', '_')
  lock_path = File.join(world.directory, scope_name + '.lock')

  begin
    return locker.lock(lock_path, &block)
  rescue JustOneLock::AlreadyLocked => e
    locker.already_locked(scope)
  end
end

.world ⇒ Object 



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# File 'lib/just_one_lock.rb', line 16

def self.world
  @world ||= JustOneLock::World.new
end