FAQ
Here is the link I found on googgling:

http://lucene.apache.org/java/2_2_0/api/org/apache/lucene/misc/ChainedFilter.html

From: rakesh_shete@hotmail.com
To: java-user@lucene.apache.org
Subject: RE: Using multiple filters
Date: Thu, 3 Jan 2008 21:24:35 +0530


Hi Eric, Mark,

I am using Lucene 2.2.0 and I dont see anything like ChainedFilter or BooleanFilter. Is that not supported now?

Googling on it I found that the ChainedFilter is in some *misc* package. So I believe it has either been dropped or not shipped with the official version.

-- Regards,
Rakesh Shete
Date: Wed, 2 Jan 2008 20:50:28 +0000
From: markharw00d@yahoo.co.uk
To: java-user@lucene.apache.org
Subject: Re: Using multiple filters

BooleanFilter in contrib is similar to ChainedFilter but just expresses
the boolean logic using the same vocabulary as BooleanQuery ("should"s,
"must"s and "not"s).

Cheers
Mark

Erick Erickson wrote:
I think you can just throw them all together in a
ChainedFilter and use the ChainedFilter wherever
your calls want a Filter.

But I haven't tried it <G>...

Erick

On Jan 2, 2008 2:28 PM, Rakesh Shete wrote:

Hi all,

I have a query related to using filters.

My search would something like this:

title:java* +pricerange:[00100 TO 01000] +daterange:[20000101 TO 20071231]

which retrieves all books with title "java" that have a price between 100
& 1000 and a fall between Jan 01,2000 & Dec 31,2007 daterange.

Can I use multiple filters in such a case (RangeFilter for pricerange &
QueryWrapperFilter for daterange)?

How do I specify multiple filters to the IndexSearcher (the API does not
support it as of now)?

Note: I am even open to using RangeQuery as long as it does not hamper
performance of search. My reading of the mailing list suggests me that using
filters would be better (RangeFilter) than query (RangeQuery):
http://www.mail-archive.com/lucene-user@jakarta.apache.org/msg10687.html



--Regards,
Rakesh S



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