1.1.5. Tabel Term_Document
1. CREATE TABLE `term_document` 2. `id_term_document` int11 NOT NULL AUTO_INCREMENT,
3. `id_document` int11 NOT NULL, 4. `id_term` int11 NOT NULL,
5. `tf` int11 NOT NULL DEFAULT 0, 6. `w` double NOT NULL DEFAULT 0,
7. PRIMARY KEY `id_term_document`, 8. KEY `fk_term_document_1_idx` `id_document`,
9. KEY `fk_term_document_2_idx` `id_term` 10. ENGINE=MyISAM AUTO_INCREMENT=1 DEFAULT CHARSET=latin1;
1.1.6. Tabel Stopword
1. CREATE TABLE `stop_word` 2. `id_stop_word` int11 NOT NULL AUTO_INCREMENT,
3. `stop_word` varchar45 DEFAULT NULL, 4. PRIMARY KEY `id_stop_word`
5. ENGINE=MyISAM AUTO_INCREMENT=1 DEFAULT CHARSET=latin1;
1.1.7. Tabel Rootword
1. CREATE TABLE `root_word` 2. `word` varchar25 NOT NULL,
3. `wordtype` varchar20 NOT NULL, 4. `definition` text NOT NULL
5. ENGINE=MyISAM DEFAULT CHARSET=latin1;
1.2. Implementasi Sistem Pemerolehan Informasi Berbasis Cluster 1.2.1. Source Code
1.2.1.1. Package database 1.2.1.1.1. Kelas Connection.java
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3. To change this template file, choose Tools | Templates 4. and open the template in the editor.
5. 6. package database;
7. 8. import com.mysql.jdbc.jdbc2.optional.MysqlConnectionPoolDataSource;
9. import com.mysql.jdbc.jdbc2.optional.MysqlDataSource; 10. import java.sql.SQLException;
11. import java.util.logging.Level;
12. import java.util.logging.Logger; 13.
14. 15.
16. author pacman 17.
18. public class Connection { 19.
20. private static final String DB_USERNAME = skripsi; 21. private static final String DB_PASSWORD = skripsi;
22. private static final String DB_DATABASE = skripsi; 23. private static final String DB_HOST = localhost;
24. 25. public static java.sql.Connection getConnection {
26. java.sql.Connection connection = null; 27. MysqlDataSource dataSource = new MysqlConnectionPoolDataSource;
28. dataSource.setURLjdbc:mysql: + DB_HOST + + DB_DATABASE; 29. dataSource.setUserDB_USERNAME;
30. dataSource.setPasswordDB_PASSWORD; 31.
32. try { 33. connection = dataSource.getConnection;
34. System.err.printlnKoneksi berhasil; 35. } catch SQLException ex {
36. System.err.printlnKoneksi gagal; 37. Logger.getLoggerConnection.class.getName.logLevel.SEVERE, null, ex;
38. } 39.
40. return connection; 41. }
42. 43. }
1.2.1.1.2. Kelas DatabaseOperationController
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3. To change this template file, choose Tools | Templates 4. and open the template in the editor.
5. 6.
7. package database; 8.
9. import gmeans.ClusterPool; 10. import gmeans.ModifiedLinkedList;
11. import java.sql.SQLException; 12. import java.util.logging.Level;
13. import java.util.logging.Logger; 14. import main.Main;
15. 16.
17. 18. author pacman
19. 20. public class DatabaseOperationController {
21. 22. public DatabaseOperationController {
23. } 24.
25. public void performDBOperationClusterPool pool, ModifiedLinkedList masterLinkedList { 26. DatabaseRWOperation dbrw = new DatabaseRWOperation;
27. try { 28. dbrw.truncateAllTables;
29. dbrw.writepool, masterLinkedList; 30. } catch SQLException ex {
31. Logger.getLoggerDatabaseOperationController.class.getName.logLevel.SEVERE, null,
ex; 32. }
33. } 34.
35. 36. }
1.2.1.1.3. Kelas DatabaseRWOperation.java
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3. To change this template file, choose Tools | Templates 4. and open the template in the editor.
5. 6. package database;
7. 8. import gmeans.Cluster;
9. import gmeans.ClusterPool; 10. import gmeans.ModifiedLinkedList;
11. import gmeans.Point; 12. import gmeans.Record;
13. import java.io.File; 14. import java.io.IOException;
15. import java.sql.PreparedStatement; 16. import java.sql.ResultSet;
17. import java.sql.SQLException; 18. import java.sql.Statement;
19. import java.util.ArrayList;
20. import java.util.HashMap; 21. import java.util.Iterator;
22. import java.util.LinkedList; 23. import java.util.List;
24. import java.util.logging.Level; 25. import java.util.logging.Logger;
26. import org.apache.commons.io.FileUtils; 27.
28. 29.
30. author pacman 31.
32. public class DatabaseRWOperation { 33.
34. public DatabaseRWOperation { 35. }
36. 37. public void truncateAllTables throws SQLException {
38. java.sql.Connection conn = Connection.getConnection; 39.
40. String[] tableNames = new String[]{cluster, centroid, document, term,
term_document}; 41.
42. for int i = 0; i tableNames.length; i++ { 43. String sql = TRUNCATE + tableNames[i];
44. conn.setAutoCommitfalse; 45.
46. PreparedStatement ps = conn.prepareStatementsql; 47. ps.execute;
48. 49. conn.commit;
50. } 51.
52. conn.close; 53. }
54. 55. public ClusterPool fastRead throws SQLException {
56. return fastFetchCluster; 57. }
58. 59. public Cluster readSingleClusterCluster cluster throws SQLException {
60. return fetchClustercluster; 61. }
62. 63. public Cluster readMultipleCluster throws SQLException {
64. return fetchMultipleCluster; 65. }
66.
67. public HashMapString, Integer mapPoint throws SQLException { 68. return fetchMapPoint;
69. } 70.
71. private HashMapString, Integer fetchMapPoint throws SQLException { 72. HashMapString, Integer map = new HashMap;
73. ModifiedLinkedList fetchMasterTerm = fetchMasterTerm; 74. IteratorPoint masterTermIterator = fetchMasterTerm.iterator;
75. while masterTermIterator.hasNext { 76. Point point = masterTermIterator.next;
77. String term = point.getTerm; 78. int df = fetchDocumentFrequencyterm;
79. map.putterm, df; 80. }
81. return map; 82. }
83. 84. private int fetchDocumentFrequencyString term throws SQLException {
85. java.sql.Connection conn = Connection.getConnection; 86.
87. String sql = SELECT COUNTid_document FROM skripsi.term_document WHERE id_term =
SELECT id_term FROM term WHERE term = ? AND tf 0; 88. conn.setAutoCommitfalse;
89. 90. PreparedStatement ps = conn.prepareStatementsql;
91. 92. ps.setString1, term;
93. 94. ResultSet rs = ps.executeQuery;
95. 96. conn.commit;
97. int df = 0; 98. while rs.next {
99. df = rs.getInt1; 100.
} 101.
102. conn.close;
103. return df;
104. }
105. 106.
public int allDocumentCount throws SQLException { 107.
return fetchAllDocumentCount; 108.
} 109.
110. private int fetchAllDocumentCount throws SQLException {
111. java.sql.Connection conn = Connection.getConnection;
112. 113.
String sql = SELECT countid_document FROM document;
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