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view lucene/src/luan/modules/lucene/Lucene.luan @ 232:9ce18106f95a
more lucene work
git-svn-id: https://luan-java.googlecode.com/svn/trunk@233 21e917c8-12df-6dd8-5cb6-c86387c605b9
author | fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9> |
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date | Wed, 01 Oct 2014 06:55:14 +0000 |
parents | 4438cb2e04d0 |
children | ef39bc4d3f70 |
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import "Java" import "luan.modules.lucene.LuceneIndex" standard_fields = { type = "type index"; id = "id index"; } function Index(indexDir) local index = LuceneIndex.new(indexDir).table() function index.save_document(doc) index.Writer( function(writer) writer.save_document(doc) end ) end function index.delete_documents(terms) index.Writer( function(writer) writer.delete_documents(terms) end ) end function index.get_document(query) index.Searcher( function(searcher) local results, _, total_hits = searcher.search(query,1) if total_hits == 0 then return nil elseif total_hits > 1 then error "found " .. total_hits .. " documents" end return results() end ) end return index end