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Multiple Indexes search in Lucene.Net

I have multiple lucene.net indexes that I would need to search on for a query string. So will I need to open a new IndexSearcher on all these indexes or can I achieve this with a single IndexSearcher?

Thanks

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RAC Avatar asked Oct 06 '11 17:10

RAC


1 Answers

It can be accomplished using the MultiSearcher.

It implements the Searchable interface over multiple subsearchers. If you only need methods from the Searchable interface it will be just like a regular IndexSearcher to you.

If you need to access the underlying searchers that found a document, you can use the subSearcher(int) and subDoc(int) methods.

http://lucene.apache.org/java/2_9_4/api/core/org/apache/lucene/search/MultiSearcher.html

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Jf Beaulac Avatar answered Sep 23 '22 07:09

Jf Beaulac