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hi,
i think we need an RMI implementation of the Searcher , first. After we need a RMI implementation of a MultiSearcher that is able to collect the hits from each remote searcher we want. I don't know if there will be any problems with the "score" and how to solve that.
ciao

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On Wed, 17 Jul 2002 20:34:24
Martin Sévigny wrote:
>Hello all,
>
>Following Doug Cutting's last comment, is there anyone working on a
>remote searcher? For indexes located on another server.
>
>In the Javadoc of the org.apache.lucene.search.Searcher abstract class,
>now an interface if I understand last message, we read :
>
>"Subclasses implement search over a single index, over multiple indices,
>and over indices on remote servers."
>
>I know about IndexSearcher and MultiSearcher for the first two cases,
>but the comment seems to indicate that there is one for remote
>servers...
>
>Thank's for sharing any information,
>
>Martin Sévigny
>
>
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>


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none none wrote:
> i think we need an RMI implementation of the Searcher , first. After we need a RMI implementation of a MultiSearcher that is able to collect the hits from each remote searcher we want. I don't know if there will be any problems with the "score" and how to solve that.

This should be simple. Mostly we just need is an RMI implementation of
Searchable. The remote implementation can use IndexSearcher or
MultiSearcher. Also Filter (and perhaps HitCollector, but see below)
must be made to implement java.io.Serializable. I think that's all.

To do remote searching, a local MultiSearcher can then be constructed
with pointers to remote Searchable instances.

Note that the HitCollector API will not work well remotely, since
callbacks per hit would be very expensive. Thus the remote
implementation of search(Query,Filter,HitCollector) could just throw an
exception, and it could be documented that remote searching only works
when using the Searcher.search(Query) and Searcher.search(Query,Filter).
Or we could just make it work, albeit *very* slowly.

Doug


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I just added a remote searchable implementation.

See src/test/org/apache/lucene/search/TestRemoteSearchable.java for an
example of how this can be used. This is the first RMI code I've
written, so please tell me if I've got something wrong.

Doug


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> De : Doug Cutting [mailto:cutting@lucene.com]
> I just added a remote searchable implementation.
>
> See
> src/test/org/apache/lucene/search/TestRemoteSearchable.java for an
> example of how this can be used. This is the first RMI code I've
> written, so please tell me if I've got something wrong.

Well thank's! We'll definitely test it soon and give feedback or suggest
changes if needed.

Martin Sévigny


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