Module: LSUUID

Defined in:
lib/lsuuid.rb,
lib/lsuuid/version.rb

Overview

:nodoc:

Constant Summary collapse

PREFIX_LEN = 
6
PAD_CHAR = 
'0'
FLOOR_CHAR = 
'0'
CEIL_CHAR = 
'f'
DEFAULT_RAND_LEN = 
16
VERSION = 
'0.1.0'

Class Method Summary collapse

Class Method Details

.generate(prefix: nil, time: Time.now, mode: :random) ⇒ Object

We allow 6 chars (24 bits) of UUID to be customizable as per requirement.



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

def generate(prefix: nil, time: Time.now, mode: :random)
  prefix_hex = validate_prefix_and_get_hex(prefix)
  result = prefix_hex +
           time.to_i.to_s(16).rjust(8, PAD_CHAR) + time.nsec.to_s(16).rjust(8, PAD_CHAR) +
           random_hex(prefix_hex, mode)
  [result[0..7], result[8..11], result[12..15], result[16..19], result[20..31]].join('-')
end