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1
5 package org.exoplatform.services.indexing;
6
7 import java.util.List  ;
8 import org.apache.lucene.analysis.Analyzer;
9 import org.apache.lucene.index.Term;
10 import org.apache.lucene.search.*;
11
16 public class Searcher {
17 private org.apache.lucene.search.Searcher searcher_ ;
18 private Query modules_ ;
19 private Analyzer analyzer_ ;
20 private Hits lastSearchResult_ ;
21
22 public Searcher(IndexSearcher searcher,
23 Analyzer analyzer) throws Exception {
24 searcher_ = searcher;
25 analyzer_ = analyzer ;
26 }
27
28 public void setQueryModules(Query query) {
29 modules_ = query ;
30 }
31
32 public Hits getLastSearchResult() { return lastSearchResult_ ; }
33
34 public HitPageList search(SearchInput input) throws Exception {
35 BooleanQuery query = new BooleanQuery() ;
36 if(modules_ != null) {
37 query.add(modules_, true, false) ;
38 }
39
40 Query subQuery = input.getQuery(analyzer_) ;
41 query.add(subQuery, true, false) ;
42 lastSearchResult_ = searcher_.search(query) ;
43 lastSearchResult_ = searcher_.search(query) ;
44 return new HitPageList(this) ;
45 }
46
47 public HitPageList search(List inputs) throws Exception {
48 BooleanQuery query = new BooleanQuery() ;
49 if(modules_ != null) {
50 query.add(modules_, true, false) ;
51 }
52 for(int i = 0; i < inputs.size(); i++) {
53 SearchInput input = (SearchInput) inputs.get(i) ;
54 if(input.hasTerm()) {
55 Query subQuery = input.getQuery(analyzer_) ;
56 query.add(subQuery, true, false) ;
57 }
58 }
59 lastSearchResult_ = searcher_.search(query) ;
60 return new HitPageList(this) ;
61 }
62
63 public HitPageList search(SearchInput input, List modules) throws Exception {
64 BooleanQuery query = new BooleanQuery() ;
65 if(modules != null && modules.size() > 0) {
66 Query modulesQuery = createModuleQuery(modules);
67 query.add( modulesQuery, true, false) ;
68 }
69
70 Query subQuery = input.getQuery(analyzer_) ;
71 query.add(subQuery, true, false) ;
72 lastSearchResult_ = searcher_.search(query) ;
73 return new HitPageList(this) ;
74 }
75
76
77 public HitPageList search(List inputs, List modules) throws Exception {
78 BooleanQuery query = new BooleanQuery() ;
79 if(modules != null && modules.size() > 0) {
80 Query modulesQuery = createModuleQuery(modules);
81 query.add( modulesQuery, true, false) ;
82 }
83
84 for(int i = 0; i < inputs.size(); i++) {
85 SearchInput input = (SearchInput) inputs.get(i) ;
86 if(input.hasTerm()) {
87 Query subQuery = input.getQuery(analyzer_) ;
88 query.add(subQuery, true, false) ;
89 }
90 }
91 lastSearchResult_ = searcher_.search(query) ;
92 return new HitPageList(this) ;
93 }
94
95 private Query createModuleQuery(List modules) {
96 BooleanQuery modulesQuery = new BooleanQuery() ;
97 for(int i = 0 ; i < modules.size(); i++) {
98 String module = (String ) modules.get(i) ;
99 Query moduleQuery = new TermQuery(new Term(IndexingService.MODULE_FIELD, module)) ;
100 modulesQuery.add(moduleQuery, false, false) ;
101 }
102 return modulesQuery;
103 }
104
105 protected void finalize() {
106 try {
107 searcher_.close() ;
108 } catch (Exception ex) {
109 ex.printStackTrace() ;
110 }
111 }
112 } |
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