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From Otis Gospodnetic <otis_gospodne...@yahoo.com>
Subject Re: New FieldSortedHitQueue uses Java 1.4 feature
Date Sat, 13 Mar 2004 10:11:14 GMT
Tim, the author of that class, already posted alternative
implementation that does not require Java 1.4.
I have not had the time to make the changes yet.  Maybe somebody else
will find time before me.

Otis

--- Terry Steichen <terry@net-frame.com> wrote:
> I wonder if someone could clear up this issue.  I'd like to test the
> latest
> CVS version, but it won't compile (because it can't find
> java.util.regex.Pattern).  If this regex-dependency is to remain, is
> there a
> way that us non-1.4-JVM users could add some library to get around
> this
> problem?  Or, is there a plan to remove it, or at least make it
> optional?
> 
> Regards,
> 
> Terry
> 
> ----- Original Message -----
> From: "Doug Cutting" <cutting@apache.org>
> To: "Lucene Developers List" <lucene-dev@jakarta.apache.org>
> Sent: Monday, March 08, 2004 1:33 PM
> Subject: Re: New FieldSortedHitQueue uses Java 1.4 feature
> 
> 
> > Robert Engels wrote:
> > > Seems like a bad precedent... if developers have to worry about
> coding
> > > around problems in specific JDK's, it could be a nightmare. What
> about
> the
> > > next user who uses some JDK than is less mainstream?
> >
> > I think you're responding to the other branch of this thread!
> >
> > What I was suggesting here is that Tim remove the regex code from
> the
> > Lucene 1.4 codebase, since it requires Java 1.4, while everything
> else
> > in Lucene requires only Java 1.2.
> >
> > Separately, there's the issue of how Lucene should handle a bug in
> IBM's
> > 1.3 JIT, but that's not what I was talking about here.
> >
> > Doug
> >
> > > -----Original Message-----
> > > From: Doug Cutting [mailto:cutting@apache.org]
> > > Sent: Monday, March 08, 2004 11:57 AM
> > > To: Lucene Developers List
> > > Subject: Re: New FieldSortedHitQueue uses Java 1.4 feature
> > >
> > >
> > > Tim Jones wrote:
> > >
> > >>But, if this is the only code depending on java 1.4, it seems
> like it
> > >
> > > would
> > >
> > >>be better to remove it for better version compatibility.  Perhaps
> what
> > >
> > > would
> > >
> > >>be best would be to have the code detect which version it's
> running
> under
> > >>and act appropriately.
> > >
> > >
> > > I vote for just removing it, and keeping Lucene 1.4 compatible
> with Java
> > > 1.2.  I don't think it's worth trying to detect the version.  You
> might
> > > add a comment, or even a commented-out 1.4-based implementation,
> to mark
> > > this as something to revisit when we eventually move Lucene to
> Java 1.4.
> > >
> > > Doug
> > >
> > >
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> > >
> > >
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> >
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> >
> >
> 
> 
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