| commit | author | age | ||
| a59fca | 1 | package de.uhilger.baselink; |
| U | 2 | |
| 3 | import java.sql.Connection; | |
| 4 | import java.sql.PreparedStatement; | |
| 5 | import java.sql.SQLException; | |
| 6 | import java.sql.Statement; | |
| 7 | import java.util.List; | |
| 8 | import java.util.Map; | |
| 9 | import java.util.logging.Level; | |
| 10 | import java.util.logging.Logger; | |
| 11 | ||
| 12 | /** | |
| 13 | * | |
| 14 | * @author Ulrich Hilger | |
| 15 | */ | |
| 16 | public class Script extends DBActor { | |
| 17 | private static final Logger logger = Logger.getLogger(Script.class.getName()); | |
| 18 | ||
| 19 | public Script(PersistenceManager pm) { | |
| 20 | this.pm = pm; | |
| 21 | } | |
| 22 | /** | |
| 23 | * Execute an SQL statement and return keys generated in the database | |
| 24 | * @param sql the statement to execute | |
| 25 | * @return a list of generated keys | |
| 26 | */ | |
| 27 | public List<Map<String, Object>> executeWithKeys(String sql) { | |
| 28 | List<Map<String, Object>> keys = null; | |
| 29 | Connection c = null; | |
| 30 | try { | |
| 31 | c = pm.getConnection(); | |
| 32 | keys = executeWithKeys(c, sql); | |
| 33 | c.close(); | |
| 34 | c = null; | |
| 35 | } catch (SQLException ex) { | |
| 36 | logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex); | |
| 37 | } finally { | |
| 38 | pm.closeConnectionFinally(c); | |
| 39 | } | |
| 40 | return keys; | |
| 41 | } | |
| 42 | ||
| 43 | /** | |
| 44 | * Execute an SQL statement and return keys generated in the database | |
| 45 | * @param c database connection to use | |
| 46 | * @param sql the statement to execute | |
| 47 | * @return a list of generated keys | |
| 48 | */ | |
| 49 | public List<Map<String, Object>> executeWithKeys(Connection c, String sql) { | |
| 50 | List<Map<String, Object>> keys = null; | |
| 51 | Statement s = null; | |
| 52 | try { | |
| 53 | s = c.createStatement(); | |
| 54 | s.executeUpdate(sql, Statement.RETURN_GENERATED_KEYS); | |
| 55 | keys = pm.toList(s.getGeneratedKeys()); | |
| 56 | s.close(); | |
| 57 | s = null; | |
| 58 | } catch (SQLException ex) { | |
| 59 | logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex); | |
| 60 | } finally { | |
| 61 | pm.closeStatementFinally(s); | |
| 62 | } | |
| 63 | return keys; | |
| 64 | } | |
| 65 | ||
| 66 | /** | |
| 67 | * Execute an SQL statement | |
| 68 | * @param sql the statement to execute | |
| 69 | * @return the number of records affected by this statement or -1 if none | |
| 70 | */ | |
| 71 | public int execute(String sql) { | |
| 72 | int numRows = -1; | |
| 73 | Connection c = null; | |
| 74 | try { | |
| 75 | c = pm.getConnection(); | |
| 76 | numRows = execute(c, sql); | |
| 77 | c.close(); | |
| 78 | c = null; | |
| 79 | } catch (SQLException ex) { | |
| 80 | logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex); | |
| 81 | } finally { | |
| 82 | pm.closeConnectionFinally(c); | |
| 83 | } | |
| 84 | return numRows; | |
| 85 | } | |
| 86 | ||
| 87 | /** | |
| 88 | * Execute an SQL statement | |
| 89 | * @param c database connection to use | |
| 90 | * @param sql the statement to execute | |
| 91 | * @return the number of records affected by this statement or -1 if none | |
| 92 | */ | |
| 93 | public int execute(Connection c, String sql) { | |
| 94 | int numRows = -1; | |
| 95 | Statement s = null; | |
| 96 | try { | |
| 97 | s = c.createStatement(); | |
| 98 | numRows = s.executeUpdate(sql); | |
| 99 | s.close(); | |
| 100 | s = null; | |
| 101 | } catch (SQLException ex) { | |
| 102 | logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex); | |
| 103 | } finally { | |
| 104 | pm.closeStatementFinally(s); | |
| 105 | } | |
| 106 | return numRows; | |
| 107 | } | |
| 108 | ||
| 109 | /** | |
| 110 | * Execute an SQL statement | |
| 111 | * @param sql the SQL string with ? at the position of params | |
| 112 | * @param params list of parameters in the order they appear in the SQL string | |
| 113 | * @return the number of records affected by this statement or -1 if none | |
| 114 | */ | |
| 115 | public int execute(String sql, Object... params) { | |
| 116 | int numRows = -1; | |
| 117 | Connection c = null; | |
| 118 | try { | |
| 119 | c = pm.getConnection(); | |
| 120 | numRows = execute(c, sql, params); | |
| 121 | c.close(); | |
| 122 | c = null; | |
| 123 | } catch (SQLException ex) { | |
| 124 | logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex); | |
| 125 | } finally { | |
| 126 | pm.closeConnectionFinally(c); | |
| 127 | } | |
| 128 | return numRows; | |
| 129 | } | |
| 130 | ||
| 131 | /** | |
| 132 | * Execute an SQL statement | |
| 133 | * @param c database connection to use | |
| 134 | * @param sql the SQL string with ? at the position of params | |
| 135 | * @param params list of parameters in the order they appear in the SQL string | |
| 136 | * @return the number of records affected by this statement or -1 if none | |
| 137 | */ | |
| 138 | public int execute(Connection c, String sql, Object... params) { | |
| 139 | int numRows = -1; | |
| 140 | Statement s = null; | |
| 141 | try { | |
| 142 | //s = c.createStatement(); | |
| 143 | s = pm.buildQuery(c, sql, params); | |
| 144 | if(s != null && s instanceof PreparedStatement) { | |
| 145 | try (PreparedStatement ps = (PreparedStatement) s) { | |
| 146 | numRows = ps.executeUpdate(); | |
| 147 | } | |
| 148 | } | |
| 149 | s = null; | |
| 150 | } catch (Exception ex) { | |
| 151 | logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex); | |
| 152 | } finally { | |
| 153 | pm.closeStatementFinally(s); | |
| 154 | } | |
| 155 | return numRows; | |
| 156 | } | |
| 157 | ||
| 158 | /** | |
| 159 | * Execute an SQL script | |
| 160 | * @param sqlScript the SQL script to execute | |
| 161 | * @return an array of row counts referring to the number of affected rows of | |
| 162 | * each sql statement in the script in the order of SQL commands in the script | |
| 163 | * Statement.EXECUTE_FAILED indicates failure of single steps in the script | |
| 164 | * Statement.SUCCESS_NO_INFO indicates successful execution without information | |
| 165 | * about the number of affected rows | |
| 166 | */ | |
| 167 | public int[] executeScript(String sqlScript) { | |
| 168 | int[] ergebnisse = null; | |
| 169 | Connection c = null; | |
| 170 | Statement s = null; | |
| 171 | try { | |
| 172 | c = pm.getConnection(); | |
| 173 | s = c.createStatement(); | |
| 174 | String[] sqlKommandos = sqlScript.split(";"); | |
| 175 | for (String sqlKommando : sqlKommandos) { | |
| 176 | s.addBatch(sqlKommando); | |
| 177 | } | |
| 178 | ergebnisse = s.executeBatch(); | |
| 179 | } catch(SQLException ex) { | |
| 180 | logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex); | |
| 181 | } finally { | |
| 182 | pm.closeStatementFinally(s); | |
| 183 | pm.closeConnectionFinally(c); | |
| 184 | } | |
| 185 | return ergebnisse; | |
| 186 | } | |
| 187 | ||
| 188 | /** | |
| 189 | * Execute an SQL script | |
| 190 | * @param c the Connection object to use | |
| 191 | * @param sqlScript the SQL script to execute | |
| 192 | * @return an array of row counts referring to the number of affected rows of | |
| 193 | * each sql statement in the script in the order of SQL commands in the script | |
| 194 | * Statement.EXECUTE_FAILED indicates failure of single steps in the script | |
| 195 | * Statement.SUCCESS_NO_INFO indicates successful execution without information | |
| 196 | * about the number of affected rows | |
| 197 | */ | |
| 198 | public int[] executeScript(Connection c, String sqlScript) { | |
| 199 | int[] ergebnisse = null; | |
| 200 | Statement s = null; | |
| 201 | try { | |
| 202 | s = c.createStatement(); | |
| 203 | String[] sqlKommandos = sqlScript.split(";"); | |
| 204 | for (String sqlKommando : sqlKommandos) { | |
| 205 | s.addBatch(sqlKommando); | |
| 206 | } | |
| 207 | ergebnisse = s.executeBatch(); | |
| 208 | } catch(SQLException ex) { | |
| 209 | logger.log(Level.SEVERE, ex.getLocalizedMessage(), ex); | |
| 210 | } finally { | |
| 211 | pm.closeStatementFinally(s); | |
| 212 | } | |
| 213 | return ergebnisse; | |
| 214 | } | |
| 215 | ||
| 216 | } | |
