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comparison lucene/src/luan/modules/lucene/Lucene.luan @ 233:ef39bc4d3f70

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basic lucene works git-svn-id: https://luan-java.googlecode.com/svn/trunk@234 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Thu, 02 Oct 2014 02:58:55 +0000
parents 9ce18106f95a
children c5c60eca33dd
comparison
equal deleted inserted replaced
232:9ce18106f95a 233:ef39bc4d3f70
1 import "Java" 1 import "Java"
2 import "luan.modules.lucene.LuceneIndex" 2 import "luan.modules.lucene.LuceneIndex"
3 3
4 standard_fields = {
5 type = "type index";
6 id = "id index";
7 }
8 4
9 function Index(indexDir) 5 function Index(indexDir)
10 local index = LuceneIndex.new(indexDir).table() 6 local index = LuceneIndex.new(indexDir).table()
11 7
12 function index.save_document(doc) 8 function index.save_document(doc)
20 writer.delete_documents(terms) 16 writer.delete_documents(terms)
21 end ) 17 end )
22 end 18 end
23 19
24 function index.get_document(query) 20 function index.get_document(query)
25 index.Searcher( function(searcher) 21 return index.Searcher( function(searcher)
26 local results, _, total_hits = searcher.search(query,1) 22 local results, _, total_hits = searcher.search(query,1)
27 if total_hits == 0 then 23 if total_hits == 0 then
28 return nil 24 return nil
29 elseif total_hits > 1 then 25 elseif total_hits > 1 then
30 error "found " .. total_hits .. " documents" 26 error( "found " .. total_hits .. " documents" )
31 end 27 end
32 return results() 28 return results()
33 end ) 29 end )
34 end 30 end
35 31