not being inpatient, just asking if all holes are covered, Matcher rocks and
I'd like to clean up a lot of mess we created in our local copy in order to
simulate what Matcher will permit us to do in really elegant way...
if being patient is all what it takes, cool ;)
----- Original Message ----
From: Paul Elschot (JIRA) <[EMAIL PROTECTED]>
To: java-dev@lucene.apache.org
Sent: Thursday, 14 September, 2006 8:41:25 PM
Subject: [jira] Commented: (LUCENE-584) Decouple Filter from BitSet
[
http://issues.apache.org/jira/browse/LUCENE-584?page=comments#action_12434763 ]
Paul Elschot commented on LUCENE-584:
-------------------------------------
> Do you, or someone else see now things to be done before commiting this?
Yes. In the steps listed here:
http://wiki.apache.org/jakarta-lucene/HowToContribute
the next step is to be patient.
Wether being patient is something that can be done
is open question...
Paul Elschot.
> Decouple Filter from BitSet
> ---------------------------
>
> Key: LUCENE-584
> URL: http://issues.apache.org/jira/browse/LUCENE-584
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Search
> Affects Versions: 2.0.1
> Reporter: Peter Schäfer
> Priority: Minor
> Attachments: BitsMatcher.java, Filter-20060628.patch,
> HitCollector-20060628.patch, IndexSearcher-20060628.patch,
> MatchCollector.java, Matcher.java, Matcher20060830b.patch,
> Scorer-20060628.patch, Searchable-20060628.patch, Searcher-20060628.patch,
> Some Matchers.zip, SortedVIntList.java, TestSortedVIntList.java
>
>
> {code}
> package org.apache.lucene.search;
> public abstract class Filter implements java.io.Serializable
> {
> public abstract AbstractBitSet bits(IndexReader reader) throws IOException;
> }
> public interface AbstractBitSet
> {
> public boolean get(int index);
> }
> {code}
> It would be useful if the method =Filter.bits()= returned an abstract
> interface, instead of =java.util.BitSet=.
> Use case: there is a very large index, and, depending on the user's
> privileges, only a small portion of the index is actually visible.
> Sparsely populated =java.util.BitSet=s are not efficient and waste lots of
> memory. It would be desirable to have an alternative BitSet implementation
> with smaller memory footprint.
> Though it _is_ possibly to derive classes from =java.util.BitSet=, it was
> obviously not designed for that purpose.
> That's why I propose to use an interface instead. The default implementation
> could still delegate to =java.util.BitSet=.
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