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1
5 package org.exoplatform.services.indexing;
6
7 import java.util.ArrayList  ;
8 import java.util.List ;
9 import org.apache.lucene.search.Hits;
10 import org.apache.lucene.document.Document;
11 import org.exoplatform.commons.utils.PageList;
12
17 public class HitPageList extends PageList {
18
19 private Hits hits_ ;
20 private Searcher searcher_ ;
21 private float[] scores_ ;
22
23 public HitPageList(Searcher searcher, int pageSize) throws Exception {
24 super(pageSize) ;
25 scores_ = new float[pageSize] ;
26 searcher_ = searcher ;
27 hits_ = searcher.getLastSearchResult() ;
28 setAvailablePage(hits_.length()) ;
29 }
30
31 public HitPageList(Searcher searcher) throws Exception {
32 this(searcher, 15) ;
33 }
34
35 public void setPageSize(int pageSize) {
36 scores_ = new float[pageSize] ;
37 super.setPageSize(pageSize) ;
38 }
39
40 protected void populateCurrentPage(int page) throws Exception {
41 int from = getFrom() ;
42 int to = getTo() ;
43 currentListPage_ = new ArrayList (to - from) ;
44 for(int i = from ; i < to ; i++ ) {
45 currentListPage_.add(hits_.doc(i)) ;
46 scores_[i - from] = hits_.score(i) ;
47 }
48 }
49
50 public List getAll() throws Exception {
51 int available = getAvailable() ;
52 List list = new ArrayList (available) ;
53 for(int i = 0; i < available ; i++ ) {
54 list.add(hits_.doc(i)) ;
55 }
56 return list ;
57 }
58
59 public Document getDocumentInPage(int idx) {
60 return (Document)currentListPage_.get(idx) ;
61 }
62
63 public float getScoreOfDocumentInPage(int idx) { return scores_[idx] ; }
64
65 public Document getDocument(int idx) throws Exception {
66 return hits_.doc(idx) ;
67 }
68
69 public Searcher getSearcher() { return searcher_ ; }
70 } |
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