yeah... I know there have to be demos... I tried to be lazy, you know :)
Anyway, as I told Andrzej -- I'll take a look at it (and with a pleasure) after I come back. i don't think the delay will matter much. And if it does, ask Andrzej -- he has excellent experience with both projects -- he's just very shy by nature and doesn't talk much, hehe.
D.
William W wrote:
Hi Dawid,
The demos (under /src/demo) are very good. They have the basic usage scenario.
Thanks Andrzej.
William.
Dawid Weiss wrote:
Hi William,
No, I don't have examples because I never used Lucene directly. If you provide me with a sample index and an API that executes a query on this index (I need document titles, summaries, or snippets and an anchor (identifier), can be an URL).
Hi Dawid :-)
I believe the approach to this component should be that you first initialize it by reading a mapping of Lucene index field names to "logical" names (metadata) like title, url, body, etc. The reason is that each index uses its own metadata schema, i.e. in Lucene-speak, the field names.
Moreover, when you execute a query you get just a document id plus its score. It's up to you to build a snippet. There is a code in the jakarta-lucene-sandbox CVS repo. (highlighter) to create snippets from the query and the hit list, take a look at this...
Send me such a snippet and I'll try to write the integration code with Lucene. It is only a matter of writing a simple InputComponent instance and this is really trivial (see Nutch's plugin code).
The basic usage scenario is that you open the IndexReader (either using directory name as a String or a Directory instance), and then create a Query instance, usually using QueryParser, and finally you search using IndexSearcher. You get a list of Hits, which you can use to get scores, and the contents of the documents. Take a look at the IndexFiles and SearchFiles classes in org.apache.lucene.demo package (under /src/demo).
-- Best regards, Andrzej Bialecki
------------------------------------------------- Software Architect, System Integration Specialist CEN/ISSS EC Workshop, ECIMF project chair EU FP6 E-Commerce Expert/Evaluator ------------------------------------------------- FreeBSD developer (http://www.freebsd.org)
--------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
_________________________________________________________________
Get ready for school! Find articles, homework help and more in the Back to School Guide! http://special.msn.com/network/04backtoschool.armx
--------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
--------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
