Forget all I said! I managed to answer a question that was not there! :)
If you have the term vectors stored it is fairly quick to re-assemble
a token stream from the document using a TermVectorMapper. Otherwise
it will be really slow.
--
karl
22 jan 2008 kl. 08.04 skrev Karl Wettin:
21 jan 2008 kl. 16.37 skrev Ard Schrijvers:
is there a way to reuse a Lucene document which was indexed and
analyzed
before, but only one single Field has changed?
I don't think you can reuse document instances like that, you could
however pre-tokenize them fields that will stay the same and reuse
the tokens in all documens (fields), perhaps using a
CachingTokenFilter.
http://lucene.zones.apache.org:8080/hudson/job/Lucene-Nightly/javadoc/org/apache/lucene/document/Field.html#Field(java.lang.String,%20org.apache.lucene.analysis.TokenStream)
--
karl
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