example.rb

# Copyright (c) 2013, Groupon, Inc.
# All rights reserved. 
# 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met: 
# 
# Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer. 
# 
# Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution. 
# 
# Neither the name of GROUPON nor the names of its contributors may be
# used to endorse or promote products derived from this software without
# specific prior written permission. 
# 
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
# IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
# TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

require 'locality-uuid'

uuid = UUID.new

puts "UUID          : #{uuid.to_s}"
puts "raw bytes     : #{uuid.bytes.unpack("H*")[0]}"
puts "process id    : #{uuid.pid}"
puts "MAC fragment  : #{uuid.mac}"
puts "timestamp     : #{uuid.timestamp}"
puts "version       : #{uuid.version}"

copy = UUID.new(uuid.to_s)

puts "copied        : #{(uuid == copy)}"