Class: BSON::ObjectId

Inherits:
Object
  • Object
show all
Defined in:
lib/yapper/bson.rb

Constant Summary collapse

@@machine_id = 
NSData.MD5HexDigest(UIDevice.currentDevice.identifierForVendor.UUIDString.dataUsingEncoding(NSUTF8StringEncoding)).unpack("N")[0]
@@mutex = 
Mutex.new
@@counter = 
0

Class Method Summary collapse

Class Method Details

.generate ⇒ Object 



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# File 'lib/yapper/bson.rb', line 8

def self.generate
  @@mutex.lock
  begin
    counter = @@counter = (@@counter + 1) % 0xFFFFFF
  ensure
    @@mutex.unlock rescue nil
  end

  process_thread_id = "#{Process.pid}#{Thread.current.object_id}".hash % 0xFFFF
  [Time.new.to_i, @@machine_id, process_thread_id, counter << 8].pack("N NX lXX NX").unpack("H*")[0]
end