Tatu, this message can be out of your topic, but i want just tell you that i
successifully made all the changes to make Lucene working again for highlight purpose,
i can collect all the terms from all the query; Range, Fuzzy, MultiTerm, etc. As you
pointed out PhraseQuery and RangeQuery don't extends MultiTermQuery and i agree they
should, also i collect the actually terms found after search, no the "raw" terms, but
i think the Query has a private field that holds this value. I added a method to
Query: public abstract Term[] getTerms(); to make the code nicer, so i just call this
method to get the array without test what instanceof the current query is.
To collect the term for a signle document, i think it will be useful but not as much
as get the termpositions in a document.
What's your idea for this proposal? can i help?
Bye.
--
On Sat, 8 Mar 2003 20:16:08
Tatu Saloranta wrote:
>I started looking to implement a term collector (object that can get all the
>terms for given query), and have couple of questions for someone more
>familiar with code base:
>
>(1) PrefixQuery does not extend MultiTermQuery (unlike FuzzyQuery and
> WildcardQuery). Is there some specific reason for this, or was it just
> implemented before other two (perhaps MultiTermQuery was added after
> PrefixQuery?).
>(2) RangeQuery does not extend MultiTermQuery either, should it?
>(3) Like Doug pointed out, there are two distinct use cases; caller may want
> to get either 'raw' terms (unprocessed terms, like "foo?ar") or terms
> actually contained in any documents indexed ("foo?ar" might expand to
> "foobar", "foogar" etc). However, there's also third interesting use case;
> getting terms in a specific document. Is it likely implementing this might
> be (relatively) easy? I'm not familiar enough with IndexReader to know for
> sure.
>
>-+ Tatu +-
>
>
>
>
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