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Posted to java-user@lucene.apache.org by blazingwolf7 <bl...@gmail.com> on 2008/06/26 09:24:08 UTC
How Lucene Search
hi,
I am fairly new to Lucene and is currently going over its source code. I had
read through the code for a few times, mapping it and all but I seems to be
facing a problem. I could go all the way to the calculation of score for
each result obtain, but strangely I did not managed to locate the part where
Lucene open the index and check for the matching term.
What I mean is that, I want to check on how Lucene actually open the index
and perform the search. I went through all the methods in IndexReader,
IndexSearcher and some other related class but still fail to locate the
method responsible.
Could anyone help me with this? Thanks
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Re: How Lucene Search
Posted by Alex Cheng <ch...@gmail.com>.
the debugger that came with eclipse is pretty good for this purpose.
You can create a small project and then attach Lucene source for the
purpose of debugging.
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Re: How Lucene Search
Posted by blazingwolf7 <bl...@gmail.com>.
Thanks for the reply. I had try to start a new project already. Like I had
mention, I actually go through the code from the start of the application
and till the end where the scoring is done.
But unfortunately, I still fail to locate the part where Lucene open the
index to perform the search. Anyone has any idea on how to do this?
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RE: How Lucene Search
Posted by lutan <ws...@live.cn>.
I have same questions puzzled me.
Could anyone explain which class been called in the searching steps ?
Thanks!
> Date: Thu, 26 Jun 2008 00:24:08 -0700> From: blazingwolf7@gmail.com> To: java-user@lucene.apache.org> Subject: How Lucene Search> > > hi, > > I am fairly new to Lucene and is currently going over its source code. I had> read through the code for a few times, mapping it and all but I seems to be> facing a problem. I could go all the way to the calculation of score for> each result obtain, but strangely I did not managed to locate the part where> Lucene open the index and check for the matching term.> > What I mean is that, I want to check on how Lucene actually open the index> and perform the search. I went through all the methods in IndexReader,> IndexSearcher and some other related class but still fail to locate the> method responsible.> > Could anyone help me with this? Thanks > -- > View this message in context: http://www.nabble.com/How-Lucene-Search-tp18127970p18127970.html> Sent from the Lucene - Java Users mailing list archive at Nabble.com.> > > --------------------
-------------------------------------------------> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org> For additional commands, e-mail: java-user-help@lucene.apache.org>
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Re: How Lucene Search
Posted by Grant Ingersoll <gs...@apache.org>.
The index is opened via the IndexReader and then it is a variety of
places that factor into scoring, such as the Query, Weight and Scorer
classes. Probably the easiest place to start is the TermQuery and
TermScorer.
You might also have a read through http://lucene.apache.org/java/2_3_2/scoring.html
You might also try stepping through the path of a simple TermQuery via
a debugger as it enters the searcher and then expand to try
BooleanQuery and some of the other queries.
Cheers,
Grant
On Jun 26, 2008, at 3:24 AM, blazingwolf7 wrote:
>
> hi,
>
> I am fairly new to Lucene and is currently going over its source
> code. I had
> read through the code for a few times, mapping it and all but I
> seems to be
> facing a problem. I could go all the way to the calculation of score
> for
> each result obtain, but strangely I did not managed to locate the
> part where
> Lucene open the index and check for the matching term.
>
> What I mean is that, I want to check on how Lucene actually open the
> index
> and perform the search. I went through all the methods in IndexReader,
> IndexSearcher and some other related class but still fail to locate
> the
> method responsible.
>
> Could anyone help me with this? Thanks
> --
> View this message in context: http://www.nabble.com/How-Lucene-Search-tp18127970p18127970.html
> Sent from the Lucene - Java Users mailing list archive at Nabble.com.
>
>
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> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
> For additional commands, e-mail: java-user-help@lucene.apache.org
>
--------------------------
Grant Ingersoll
http://www.lucidimagination.com
Lucene Helpful Hints:
http://wiki.apache.org/lucene-java/BasicsOfPerformance
http://wiki.apache.org/lucene-java/LuceneFAQ
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