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From sebb <seb...@gmail.com>
Subject Re: A legal-ish question
Date Fri, 11 Jun 2010 14:25:58 GMT
On 11/06/2010, Kristian Rosenvold <kristian.rosenvold@gmail.com> wrote:
> fr., 11.06.2010 kl. 06.35 -0700, skrev Jason van Zyl:
>
> > On Jun 10, 2010, at 11:27 PM, Kristian Rosenvold wrote:
>  >
>  > > I have a memoizer
>  > > (http://www.javaconcurrencyinpractice.com/listings/Memoizer.java) that
>  > > I'd like to include "somewhere" in our code base. It's like 30 lines of
>  > > code or so.
>  > >
>  > > Ï've seen this snippet of code (or extremely minor permutations of it)
>  > > appear a number of places, under various lisence headers, for instance:
>  > >
>  > > http://www.koders.com/java/fid960BDFDD3A35D42E6652E79BA3F959A375024F0B.aspx?s=mdef%3Acompute
>  > >
>  > >
>  > > What's the appropriate thing to do IP-wise wrt including such a piece of
>  > > code ? The specific implementation I've linked to appears on page 108 of
>  > > the "Java Concurrency in practice" book.
>  > >
>  >
>  > It's fine, bringing anything up on the legal lists here is a waste of time.
>
> >  will check the code with the folks at Eclipse and let you know if there is any
problem.
>  > Apache has no IP checking system at all so it's honestly generally useless asking
anyone here.
>  > Eclipse has a real IP clearance mechanism with real lawyers, with a real set of
tools for
>  > validation using humans, Black Duck and Palimida. If you've found a public domain
license
>  > then you're fine, but I'll ask the Eclipse IP team.
>
>
> Sebb identified the piece of code as "public domain" via the official
>  website of the book; I was looking in the hardcopy and couldn't find it
>  in the printed book. So much for dead trees.
>
>  Now the link Brett sent doesn't explicitly name "Public domain" as a
>  "license" with compatibility constraints, but it seems implied in the
>  section on Doug Lea's concurrent library:
>  http://www.apache.org/legal/resolved.html#concurrent

The section at
http://www.apache.org/legal/resolved.html#category-a
includes the link:

"Creative Commons Copyright-Only Dedication"
which links to
http://creativecommons.org/licenses/publicdomain/

i.e. the same as in the
http://www.javaconcurrencyinpractice.com/listings.html

So I think it's clear that the link Brett supplied does apply to ASF
code so long as you use the source from the JCIP site.

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