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From "Barnhill William" <barnhill_will...@bah.com>
Subject Re: A copyright question
Date Sun, 07 Dec 2003 20:46:49 GMT

I like the idea of working on this, especially as a set of Cornerstone 
services used by a UUIDService to generate UUIDs.  At this time however 
I am just using vmid to fill my immediate need.  I have two apps that 
need to be finished before I do the UUID services.  If you don't mind 
waiting I'll work with you on this.

Bill Barnhill

Tim Reilly wrote:

>Hello Bill,
>I started on something quite a few months ago:
>commons-lang welcomed adapting a UUID implementation.
>The problem I ran into was - the consensus at the time was to use the Tyrex
>UUID for various reasons (also found in Castor with slight changes.) And
>elsewhere in exolab projects.
>I started the discussion wanting to get the Axis uuid moved into commons.
>But since I want this as a pure Apache license class for the sake of reuse
>in apache projects I did not know how to take from one license source Exolab
>and put under ASL. I tried contacting Assaf Arkin; rather info@exolab.org
>to see about a contribution put no luck.
>Would you leave the original license in the file?
>But then all ASF source must have the ASF license.
>Would you pre-pend both licenses?
>Add the Tyrex license to the distribution?
>Reduce a modified Tyrex jar to distribute with only the 3 classes
>and the license and uuid.properties? And call it something else?
>FYI just noticed Turbine has org.apache.turbine.util.db.UUIdGenerator
>that allows for a properties file with the MAC address.
>(That was one of the requests from commons-lang.)
>When I didn't get answers to these questions I toyed with creating
>an implementation modeled after the Tyrex version. I planned to allow the
>clock thread to die after some timeout between calls. No idea if that's
>a smart thing or not; I also didn't understand the need to re-synchronize
>with the System time? Can threads sleep longer than you say tell them - I
>I know load and thread priority come into play, but I thought not that long.
>Anyhow, not feeling confident in what I was doing I decided to abandon it.
>I know attachments sometimes don't make it, but I'll try to attach a rough
>**draft** here. If you have interest in continuing this feel free or we can
>work on
>it together. I don't have a much time but I can make some somewhere and I'll
>learn some stuff.
>It would be nice to follow through on the original thought and get something
>commons-lang identifiers; so all these UUID that are about might live in
>Let me know your thoughts.
>>-----Original Message-----
>>From: Barnhill William [mailto:barnhill_william@bah.com]
>>Sent: Friday, December 05, 2003 7:10 PM
>>To: Jetspeed Developers List
>>Subject: A copyright question
>>Here is a copyright question...
>>I came across some code for generating a guid unique over IEEE 802
>>address space and a time of 35 years.
>>The URL is http://www.theserverside.com/patterns/thread.jsp?thread_id=4976
>>The author is listed as Adrian Maclean, but I could find no way of
>>contacting them.
>>The code implements a standard IEEE algorithm.
>>What is the viability of using including this code in a greater whole
>>and donating the whole to the ASF?
>>I'm guessing it's a no-go, but could use some info from more
>>license-aware people.
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