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comparison lucene/src/luan/modules/lucene/Lucene.luan @ 232:9ce18106f95a

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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>
date Wed, 01 Oct 2014 06:55:14 +0000
parents 4438cb2e04d0
children ef39bc4d3f70
comparison
equal deleted inserted replaced
231:a35417bf493a 232:9ce18106f95a
1 import "Java" 1 import "Java"
2 import "luan.modules.lucene.LuceneIndex" 2 import "luan.modules.lucene.LuceneIndex"
3 3
4 standard_fields = { 4 standard_fields = {
5 "type" = "type index"; 5 type = "type index";
6 "id" = "id index"; 6 id = "id index";
7 } 7 }
8 8
9 function Index(indexDir) 9 function Index(indexDir)
10 local index LuceneIndex.new(indexDir).table() 10 local index = LuceneIndex.new(indexDir).table()
11 11
12 function index.save_document(doc) 12 function index.save_document(doc)
13 index.Writer( function(writer) 13 index.Writer( function(writer)
14 writer.save_document(doc) 14 writer.save_document(doc)
15 end ) 15 end )
19 index.Writer( function(writer) 19 index.Writer( function(writer)
20 writer.delete_documents(terms) 20 writer.delete_documents(terms)
21 end ) 21 end )
22 end 22 end
23 23
24 function index.get_document(query)
25 index.Searcher( function(searcher)
26 local results, _, total_hits = searcher.search(query,1)
27 if total_hits == 0 then
28 return nil
29 elseif total_hits > 1 then
30 error "found " .. total_hits .. " documents"
31 end
32 return results()
33 end )
34 end
35
24 return index 36 return index
25 end 37 end