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From "Sami Siren (JIRA)" <>
Subject [jira] Created: (NUTCH-775) Enhance Searcher interface
Date Wed, 16 Dec 2009 07:04:18 GMT
Enhance Searcher interface

                 Key: NUTCH-775
             Project: Nutch
          Issue Type: Improvement
          Components: searcher
            Reporter: Sami Siren
            Assignee: Sami Siren
             Fix For: 1.1

Current Searcher interface is too limited for many purposes:

Hits search(Query query, int numHits, String dedupField, String sortField,
      boolean reverse) throws IOException;

It would be nice that we had an interface that allowed adding different features without changing
the interface. I am proposing that we deprecate the current search method and introduce something

Hits search(Query query, Metadata context) throws IOException;

Also at the same time we should enhance the QueryFilter interface to look something like:

BooleanQuery filter(Query input, BooleanQuery translation, Metadata context)
    throws QueryException;

I would like to hear your comments before proceeding with a patch.

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