Method: PEROBS::Store#_new_id

Defined in:
lib/perobs/Store.rb

#_new_id ⇒ Integer

Internal method. Don’t use this outside of this library! Generate a new unique ID that is not used by any other object. It uses random numbers between 0 and 2**64 - 1.

Returns:

  • (Integer) 


521
522
523
524
525
526
527
528
529
530
531
532
 
# File 'lib/perobs/Store.rb', line 521

def _new_id
  @lock.synchronize do
    begin
      # Generate a random number. It's recommended to not store more than
      # 2**62 objects in the same store.
      id = rand(2**64)
      # Ensure that we don't have already another object with this ID.
    end while @in_memory_objects.include?(id) || @db.include?(id)

    id
  end
end