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Message-ID: <20060506155506.35638.qmail@web50309.mail.yahoo.com>
Date: Sat, 6 May 2006 08:55:06 -0700 (PDT)
From: Otis Gospodnetic <otis_gospodnetic@yahoo.com>
Reply-To: Otis Gospodnetic <otis_gospodnetic@yahoo.com>
Subject: Re: Vector
To: java-dev@lucene.apache.org
In-Reply-To: <c68e39170605060635i52a3d1e1jbb65347bb0e935a1@mail.gmail.com>
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I think most of Vector (or Hashtable) references are leftovers from the pre-Java Collections era, that's all.
I doubt we'd be able to get much juice out of move unsynchronized Java Collections, although I'd like to see them for the same reason as Yonik.

Otis

----- Original Message ----
From: Yonik Seeley <yseeley@gmail.com>
To: java-dev@lucene.apache.org
Sent: Saturday, May 6, 2006 6:35:03 AM
Subject: Re: Vector

On 5/6/06, karl wettin <kalle@snigel.net> wrote:
> There are a couple of Vector:s in the code. Is it really necessary to
> use this expensive thread safe artifact from the dark ages?

I've wondered that myself ... seeing "Vector" in the code does hurt my
eyes a little :-)
It's just one of those things that's never the highest priority I guess.

I think in many/most of these places it's unnecessary to have a
synchronized collection at all.  For examile, the one in Document for
instance will be used often:
  List fields = new Vector();

Since the reference type is actually "List" it looks like the use of a
synchronized collection is deliberate.  Can someone think why this is
needed?

-Yonik
http://incubator.apache.org/solr Solr, the open-source Lucene search server

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