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1
5 package org.h2.fulltext;
6
7 import java.sql.Connection  ;
8 import java.sql.PreparedStatement ;
9 import java.sql.ResultSet ;
10 import java.sql.SQLException ;
11 import java.sql.Statement ;
12 import java.util.HashMap ;
13 import java.util.HashSet ;
14
15 public class FullTextSettings {
16
17 private static HashMap settings = new HashMap ();
18
19 private HashSet ignoreList = new HashSet ();
20 private HashMap words = new HashMap ();
21 private HashMap indexes = new HashMap ();
22 private PreparedStatement prepSelectMapByWordId;
23 private PreparedStatement prepSelectRowById;
24
25 private FullTextSettings() {
26 }
27
28 HashSet getIgnoreList() {
29 return ignoreList;
30 }
31
32 public HashMap getWordList() {
33 return words;
34 }
35
36 IndexInfo getIndexInfo(long indexId) {
37 return (IndexInfo) indexes.get(new Long (indexId));
38 }
39
40 void addIndexInfo(IndexInfo index) {
41 indexes.put(new Long (index.id), index);
42 }
43
44 public String convertWord(String word) {
45 word = word.toUpperCase();
47 if(ignoreList.contains(word)) {
48 return null;
49 }
50 return word;
51 }
52
53 static FullTextSettings getInstance(Connection conn) throws SQLException {
54 String path = getIndexPath(conn);
55 FullTextSettings setting = (FullTextSettings) settings.get(path);
56 if(setting == null) {
57 setting = new FullTextSettings();
58 settings.put(path, setting);
59 }
60 return setting;
61 }
62
63 private static String getIndexPath(Connection conn) throws SQLException {
64 Statement stat = conn.createStatement();
65 ResultSet rs = stat.executeQuery("CALL DATABASE_PATH()");
66 rs.next();
67 String path = rs.getString(1);
68 if (path == null) {
69 throw new SQLException ("FULLTEXT", "Fulltext search for in-memory databases is not supported.");
70 }
71 rs.close();
72 return path;
73 }
74
75 public PreparedStatement getPrepSelectMapByWordId() {
76 return prepSelectMapByWordId;
77 }
78
79 public void setPrepSelectMapByWordId(PreparedStatement prepSelectMapByWordId) {
80 this.prepSelectMapByWordId = prepSelectMapByWordId;
81 }
82
83 public PreparedStatement getPrepSelectRowById() {
84 return prepSelectRowById;
85 }
86
87 public void setPrepSelectRowById(PreparedStatement prepSelectRowById) {
88 this.prepSelectRowById = prepSelectRowById;
89 }
90
91 }
92 |
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