Mercurial Hosting > luan
annotate lucene/src/luan/modules/lucene/Lucene.luan @ 546:eaef1005ab87
general lucene cleanup
author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Sun, 14 Jun 2015 22:17:58 -0600 |
parents | ddcd4296107a |
children | 0be287ab0309 |
rev | line source |
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1 java() |
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2 local Luan = require "luan:Luan" |
503 | 3 local error = Luan.error |
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4 local LuceneIndex = require "java:luan.modules.lucene.LuceneIndex" |
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5 local NumberFieldParser = require "java:sane.lucene.queryparser.NumberFieldParser" |
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6 |
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7 |
503 | 8 local M = {} |
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9 |
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10 M.type = { |
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11 string = LuceneIndex.STRING_FIELD_PARSER; |
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12 integer = NumberFieldParser.INT; |
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13 long = NumberFieldParser.LONG; |
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14 double = NumberFieldParser.DOUBLE; |
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15 } |
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16 |
503 | 17 function M.index(indexDir) |
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18 local index = {} |
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19 local java_index = LuceneIndex.new(indexDir) |
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20 index.indexed_fields = java_index.indexedFieldsMeta.newTable() |
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21 index.to_string = java_index.to_string |
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22 index.backup = java_index.backup |
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23 index.advanced_search = java_index.advanced_search |
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24 index.search_in_transaction = java_index.search_in_transaction |
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25 index.delete_all = java_index.delete_all |
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26 index.delete_documents = java_index.delete_documents |
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27 index.save_document = java_index.save_document |
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28 index.update_in_transaction = java_index.update_in_transaction |
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29 index.close = java_index.close |
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30 |
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31 function index.search(query, from, to, sort) |
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32 local results = {} |
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33 local function fn(i,doc_fn) |
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34 if i >= from then |
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35 results[#results+1] = doc_fn() |
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36 end |
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37 end |
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38 local total_hits = index.advanced_search(query,fn,to,sort) |
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39 return results, total_hits |
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40 end |
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41 |
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42 function index.get_document(query) |
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43 local doc |
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44 local function fn(_,doc_fn) |
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45 doc = doc_fn() |
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46 end |
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47 local total_hits = index.advanced_search(query,fn,1) |
ddcd4296107a
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parents:
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48 total_hits <= 1 or error( "found " .. total_hits .. " documents" ) |
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49 return doc |
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50 end |
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51 |
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52 function index.count(query) |
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53 return index.advanced_search(query) |
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54 end |
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55 |
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56 return index |
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57 end |
503 | 58 |
59 return M |