simple_uuid
Simple, scalable UUID generation.
License
Copyright 2009-2010 Twitter, Inc. See included LICENSE file.
Features
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pure-Ruby
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no MAC address scraping
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no file-based locking
This library implements UUID format version 1, as specified in RFC 4122, with jitter in place of the mac address and sequence counter.
Installation
Install the gem:
sudo gem install simple_uuid
Usage
# Creating and getting a timestamp from the UUID
uuid = SimpleUUID::UUID.new => <UUID#2278170300 .... >
uuid.to_time => Thu Aug 18 19:15:16 -0400 2011
# Given raw bytes from a source such as cassandra (using bytes from an existing UUID as an example)
bytes = SimpleUUID::UUID.new.bytes
SimpleUUID::UUID.to_time(bytes) => Thu Aug 18 19:15:16 -0400 2011
Reporting problems
The support forum is here.
Patches and contributions are very welcome.