| 1 | /* |
| 2 | Copyright (C) 2002-2006 MySQL AB |
| 3 | |
| 4 | This program is free software; you can redistribute it and/or modify |
| 5 | it under the terms of version 2 of the GNU General Public License as |
| 6 | published by the Free Software Foundation. |
| 7 | |
| 8 | There are special exceptions to the terms and conditions of the GPL |
| 9 | as it is applied to this software. View the full text of the |
| 10 | exception in file EXCEPTIONS-CONNECTOR-J in the directory of this |
| 11 | software distribution. |
| 12 | |
| 13 | This program is distributed in the hope that it will be useful, |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | GNU General Public License for more details. |
| 17 | |
| 18 | You should have received a copy of the GNU General Public License |
| 19 | along with this program; if not, write to the Free Software |
| 20 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 21 | |
| 22 | |
| 23 | |
| 24 | */ |
| 25 | package com.mysql.jdbc.jdbc2.optional; |
| 26 | |
| 27 | import java.sql.Connection; |
| 28 | import java.sql.SQLException; |
| 29 | import java.sql.Savepoint; |
| 30 | import java.sql.Statement; |
| 31 | |
| 32 | import com.mysql.jdbc.MysqlErrorNumbers; |
| 33 | import com.mysql.jdbc.SQLError; |
| 34 | |
| 35 | /** |
| 36 | * This class serves as a wrapper for the org.gjt.mm.mysql.jdbc2.Connection |
| 37 | * class. It is returned to the application server which may wrap it again and |
| 38 | * then return it to the application client in response to |
| 39 | * dataSource.getConnection(). |
| 40 | * |
| 41 | * <p> |
| 42 | * All method invocations are forwarded to org.gjt.mm.mysql.jdbc2.Connection |
| 43 | * unless the close method was previously called, in which case a sqlException |
| 44 | * is thrown. The close method performs a 'logical close' on the connection. |
| 45 | * </p> |
| 46 | * |
| 47 | * <p> |
| 48 | * All sqlExceptions thrown by the physical connection are intercepted and sent |
| 49 | * to connectionEvent listeners before being thrown to client. |
| 50 | * </p> |
| 51 | * |
| 52 | * @author Todd Wolff todd.wolff_at_prodigy.net |
| 53 | * |
| 54 | * @see org.gjt.mm.mysql.jdbc2.Connection |
| 55 | * @see org.gjt.mm.mysql.jdbc2.optional.MysqlPooledConnection |
| 56 | */ |
| 57 | public class ConnectionWrapper extends WrapperBase implements Connection { |
| 58 | private com.mysql.jdbc.Connection mc = null; |
| 59 | |
| 60 | private MysqlPooledConnection mpc = null; |
| 61 | |
| 62 | private String invalidHandleStr = "Logical handle no longer valid"; |
| 63 | |
| 64 | private boolean closed; |
| 65 | private boolean isForXa; |
| 66 | |
| 67 | /** |
| 68 | * Construct a new LogicalHandle and set instance variables |
| 69 | * |
| 70 | * @param mysqlPooledConnection |
| 71 | * reference to object that instantiated this object |
| 72 | * @param mysqlConnection |
| 73 | * physical connection to db |
| 74 | * |
| 75 | * @throws SQLException |
| 76 | * if an error occurs. |
| 77 | */ |
| 78 | public ConnectionWrapper(MysqlPooledConnection mysqlPooledConnection, |
| 79 | com.mysql.jdbc.Connection mysqlConnection, |
| 80 | boolean forXa) throws SQLException { |
| 81 | this.mpc = mysqlPooledConnection; |
| 82 | this.mc = mysqlConnection; |
| 83 | this.closed = false; |
| 84 | this.pooledConnection = this.mpc; |
| 85 | this.isForXa = forXa; |
| 86 | |
| 87 | if (this.isForXa) { |
| 88 | setInGlobalTx(false); |
| 89 | setAutoCommit(false); |
| 90 | } |
| 91 | } |
| 92 | |
| 93 | /** |
| 94 | * Passes call to method on physical connection instance. Notifies listeners |
| 95 | * of any caught exceptions before re-throwing to client. |
| 96 | * |
| 97 | * @see java.sql.Connection#setAutoCommit |
| 98 | */ |
| 99 | public void setAutoCommit(boolean autoCommit) throws SQLException { |
| 100 | checkClosed(); |
| 101 | |
| 102 | if (autoCommit && isInGlobalTx()) { |
| 103 | throw SQLError.createSQLException("Can't set autocommit to 'true' on an XAConnection", |
| 104 | SQLError.SQL_STATE_INVALID_TRANSACTION_TERMINATION, |
| 105 | MysqlErrorNumbers.ER_XA_RMERR); |
| 106 | } |
| 107 | |
| 108 | try { |
| 109 | this.mc.setAutoCommit(autoCommit); |
| 110 | } catch (SQLException sqlException) { |
| 111 | checkAndFireConnectionError(sqlException); |
| 112 | } |
| 113 | } |
| 114 | |
| 115 | /** |
| 116 | * Passes call to method on physical connection instance. Notifies listeners |
| 117 | * of any caught exceptions before re-throwing to client. |
| 118 | * |
| 119 | * @see java.sql.Connection#getAutoCommit() |
| 120 | */ |
| 121 | public boolean getAutoCommit() throws SQLException { |
| 122 | checkClosed(); |
| 123 | |
| 124 | try { |
| 125 | return this.mc.getAutoCommit(); |
| 126 | } catch (SQLException sqlException) { |
| 127 | checkAndFireConnectionError(sqlException); |
| 128 | } |
| 129 | |
| 130 | return false; // we don't reach this code, compiler can't tell |
| 131 | } |
| 132 | |
| 133 | /** |
| 134 | * Passes call to method on physical connection instance. Notifies listeners |
| 135 | * of any caught exceptions before re-throwing to client. |
| 136 | * |
| 137 | * @see java.sql.Connection#setCatalog() |
| 138 | */ |
| 139 | public void setCatalog(String catalog) throws SQLException { |
| 140 | checkClosed(); |
| 141 | |
| 142 | try { |
| 143 | this.mc.setCatalog(catalog); |
| 144 | } catch (SQLException sqlException) { |
| 145 | checkAndFireConnectionError(sqlException); |
| 146 | } |
| 147 | } |
| 148 | |
| 149 | /** |
| 150 | * Passes call to method on physical connection instance. Notifies listeners |
| 151 | * of any caught exceptions before re-throwing to client. |
| 152 | * |
| 153 | * @return the current catalog |
| 154 | * |
| 155 | * @throws SQLException |
| 156 | * if an error occurs |
| 157 | */ |
| 158 | public String getCatalog() throws SQLException { |
| 159 | checkClosed(); |
| 160 | |
| 161 | try { |
| 162 | return this.mc.getCatalog(); |
| 163 | } catch (SQLException sqlException) { |
| 164 | checkAndFireConnectionError(sqlException); |
| 165 | } |
| 166 | |
| 167 | return null; // we don't reach this code, compiler can't tell |
| 168 | } |
| 169 | |
| 170 | /** |
| 171 | * Passes call to method on physical connection instance. Notifies listeners |
| 172 | * of any caught exceptions before re-throwing to client. |
| 173 | * |
| 174 | * @see java.sql.Connection#isClosed() |
| 175 | */ |
| 176 | public boolean isClosed() throws SQLException { |
| 177 | return (this.closed || this.mc.isClosed()); |
| 178 | } |
| 179 | |
| 180 | public boolean isMasterConnection() throws SQLException { |
| 181 | return this.mc.isMasterConnection(); |
| 182 | } |
| 183 | |
| 184 | /** |
| 185 | * @see Connection#setHoldability(int) |
| 186 | */ |
| 187 | public void setHoldability(int arg0) throws SQLException { |
| 188 | checkClosed(); |
| 189 | |
| 190 | try { |
| 191 | this.mc.setHoldability(arg0); |
| 192 | } catch (SQLException sqlException) { |
| 193 | checkAndFireConnectionError(sqlException); |
| 194 | } |
| 195 | } |
| 196 | |
| 197 | /** |
| 198 | * @see Connection#getHoldability() |
| 199 | */ |
| 200 | public int getHoldability() throws SQLException { |
| 201 | checkClosed(); |
| 202 | |
| 203 | try { |
| 204 | return this.mc.getHoldability(); |
| 205 | } catch (SQLException sqlException) { |
| 206 | checkAndFireConnectionError(sqlException); |
| 207 | } |
| 208 | |
| 209 | return Statement.CLOSE_CURRENT_RESULT; // we don't reach this code, |
| 210 | // compiler can't tell |
| 211 | } |
| 212 | |
| 213 | /** |
| 214 | * Allows clients to determine how long this connection has been idle. |
| 215 | * |
| 216 | * @return how long the connection has been idle. |
| 217 | */ |
| 218 | public long getIdleFor() { |
| 219 | return this.mc.getIdleFor(); |
| 220 | } |
| 221 | |
| 222 | /** |
| 223 | * Passes call to method on physical connection instance. Notifies listeners |
| 224 | * of any caught exceptions before re-throwing to client. |
| 225 | * |
| 226 | * @return a metadata instance |
| 227 | * |
| 228 | * @throws SQLException |
| 229 | * if an error occurs |
| 230 | */ |
| 231 | public java.sql.DatabaseMetaData getMetaData() throws SQLException { |
| 232 | checkClosed(); |
| 233 | |
| 234 | try { |
| 235 | return this.mc.getMetaData(); |
| 236 | } catch (SQLException sqlException) { |
| 237 | checkAndFireConnectionError(sqlException); |
| 238 | } |
| 239 | |
| 240 | return null; // we don't reach this code, compiler can't tell |
| 241 | } |
| 242 | |
| 243 | /** |
| 244 | * Passes call to method on physical connection instance. Notifies listeners |
| 245 | * of any caught exceptions before re-throwing to client. |
| 246 | * |
| 247 | * @see java.sql.Connection#setReadOnly() |
| 248 | */ |
| 249 | public void setReadOnly(boolean readOnly) throws SQLException { |
| 250 | checkClosed(); |
| 251 | |
| 252 | try { |
| 253 | this.mc.setReadOnly(readOnly); |
| 254 | } catch (SQLException sqlException) { |
| 255 | checkAndFireConnectionError(sqlException); |
| 256 | } |
| 257 | } |
| 258 | |
| 259 | /** |
| 260 | * Passes call to method on physical connection instance. Notifies listeners |
| 261 | * of any caught exceptions before re-throwing to client. |
| 262 | * |
| 263 | * @see java.sql.Connection#isReadOnly() |
| 264 | */ |
| 265 | public boolean isReadOnly() throws SQLException { |
| 266 | checkClosed(); |
| 267 | |
| 268 | try { |
| 269 | return this.mc.isReadOnly(); |
| 270 | } catch (SQLException sqlException) { |
| 271 | checkAndFireConnectionError(sqlException); |
| 272 | } |
| 273 | |
| 274 | return false; // we don't reach this code, compiler can't tell |
| 275 | } |
| 276 | |
| 277 | /** |
| 278 | * @see Connection#setSavepoint() |
| 279 | */ |
| 280 | public java.sql.Savepoint setSavepoint() throws SQLException { |
| 281 | checkClosed(); |
| 282 | |
| 283 | if (isInGlobalTx()) { |
| 284 | throw SQLError.createSQLException("Can't set autocommit to 'true' on an XAConnection", |
| 285 | SQLError.SQL_STATE_INVALID_TRANSACTION_TERMINATION, |
| 286 | MysqlErrorNumbers.ER_XA_RMERR); |
| 287 | } |
| 288 | |
| 289 | try { |
| 290 | return this.mc.setSavepoint(); |
| 291 | } catch (SQLException sqlException) { |
| 292 | checkAndFireConnectionError(sqlException); |
| 293 | } |
| 294 | |
| 295 | return null; // we don't reach this code, compiler can't tell |
| 296 | } |
| 297 | |
| 298 | /** |
| 299 | * @see Connection#setSavepoint(String) |
| 300 | */ |
| 301 | public java.sql.Savepoint setSavepoint(String arg0) throws SQLException { |
| 302 | checkClosed(); |
| 303 | |
| 304 | if (isInGlobalTx()) { |
| 305 | throw SQLError.createSQLException("Can't set autocommit to 'true' on an XAConnection", |
| 306 | SQLError.SQL_STATE_INVALID_TRANSACTION_TERMINATION, |
| 307 | MysqlErrorNumbers.ER_XA_RMERR); |
| 308 | } |
| 309 | |
| 310 | try { |
| 311 | return this.mc.setSavepoint(arg0); |
| 312 | } catch (SQLException sqlException) { |
| 313 | checkAndFireConnectionError(sqlException); |
| 314 | } |
| 315 | |
| 316 | return null; // we don't reach this code, compiler can't tell |
| 317 | } |
| 318 | |
| 319 | /** |
| 320 | * Passes call to method on physical connection instance. Notifies listeners |
| 321 | * of any caught exceptions before re-throwing to client. |
| 322 | * |
| 323 | * @see java.sql.Connection#setTransactionIsolation() |
| 324 | */ |
| 325 | public void setTransactionIsolation(int level) throws SQLException { |
| 326 | checkClosed(); |
| 327 | |
| 328 | try { |
| 329 | this.mc.setTransactionIsolation(level); |
| 330 | } catch (SQLException sqlException) { |
| 331 | checkAndFireConnectionError(sqlException); |
| 332 | } |
| 333 | } |
| 334 | |
| 335 | /** |
| 336 | * Passes call to method on physical connection instance. Notifies listeners |
| 337 | * of any caught exceptions before re-throwing to client. |
| 338 | * |
| 339 | * @see java.sql.Connection#getTransactionIsolation() |
| 340 | */ |
| 341 | public int getTransactionIsolation() throws SQLException { |
| 342 | checkClosed(); |
| 343 | |
| 344 | try { |
| 345 | return this.mc.getTransactionIsolation(); |
| 346 | } catch (SQLException sqlException) { |
| 347 | checkAndFireConnectionError(sqlException); |
| 348 | } |
| 349 | |
| 350 | return TRANSACTION_REPEATABLE_READ; // we don't reach this code, |
| 351 | // compiler can't tell |
| 352 | } |
| 353 | |
| 354 | /** |
| 355 | * Passes call to method on physical connection instance. Notifies listeners |
| 356 | * of any caught exceptions before re-throwing to client. |
| 357 | * |
| 358 | * @see java.sql.Connection#setTypeMap() |
| 359 | */ |
| 360 | public void setTypeMap(java.util.Map map) throws SQLException { |
| 361 | checkClosed(); |
| 362 | |
| 363 | try { |
| 364 | this.mc.setTypeMap(map); |
| 365 | } catch (SQLException sqlException) { |
| 366 | checkAndFireConnectionError(sqlException); |
| 367 | } |
| 368 | } |
| 369 | |
| 370 | /** |
| 371 | * Passes call to method on physical connection instance. Notifies listeners |
| 372 | * of any caught exceptions before re-throwing to client. |
| 373 | * |
| 374 | * @see java.sql.Connection#getTypeMap() |
| 375 | */ |
| 376 | public java.util.Map getTypeMap() throws SQLException { |
| 377 | checkClosed(); |
| 378 | |
| 379 | try { |
| 380 | return this.mc.getTypeMap(); |
| 381 | } catch (SQLException sqlException) { |
| 382 | checkAndFireConnectionError(sqlException); |
| 383 | } |
| 384 | |
| 385 | return null; // we don't reach this code, compiler can't tell |
| 386 | } |
| 387 | |
| 388 | /** |
| 389 | * Passes call to method on physical connection instance. Notifies listeners |
| 390 | * of any caught exceptions before re-throwing to client. |
| 391 | * |
| 392 | * @see java.sql.Connection#getWarnings |
| 393 | */ |
| 394 | public java.sql.SQLWarning getWarnings() throws SQLException { |
| 395 | checkClosed(); |
| 396 | |
| 397 | try { |
| 398 | return this.mc.getWarnings(); |
| 399 | } catch (SQLException sqlException) { |
| 400 | checkAndFireConnectionError(sqlException); |
| 401 | } |
| 402 | |
| 403 | return null; // we don't reach this code, compiler can't tell |
| 404 | } |
| 405 | |
| 406 | /** |
| 407 | * Passes call to method on physical connection instance. Notifies listeners |
| 408 | * of any caught exceptions before re-throwing to client. |
| 409 | * |
| 410 | * @throws SQLException |
| 411 | * if an error occurs |
| 412 | */ |
| 413 | public void clearWarnings() throws SQLException { |
| 414 | checkClosed(); |
| 415 | |
| 416 | try { |
| 417 | this.mc.clearWarnings(); |
| 418 | } catch (SQLException sqlException) { |
| 419 | checkAndFireConnectionError(sqlException); |
| 420 | } |
| 421 | } |
| 422 | |
| 423 | /** |
| 424 | * The physical connection is not actually closed. the physical connection |
| 425 | * is closed when the application server calls |
| 426 | * mysqlPooledConnection.close(). this object is de-referenced by the pooled |
| 427 | * connection each time mysqlPooledConnection.getConnection() is called by |
| 428 | * app server. |
| 429 | * |
| 430 | * @throws SQLException |
| 431 | * if an error occurs |
| 432 | */ |
| 433 | public void close() throws SQLException { |
| 434 | close(true); |
| 435 | } |
| 436 | |
| 437 | /** |
| 438 | * Passes call to method on physical connection instance. Notifies listeners |
| 439 | * of any caught exceptions before re-throwing to client. |
| 440 | * |
| 441 | * @throws SQLException |
| 442 | * if an error occurs |
| 443 | */ |
| 444 | public void commit() throws SQLException { |
| 445 | checkClosed(); |
| 446 | |
| 447 | if (isInGlobalTx()) { |
| 448 | throw SQLError.createSQLException( |
| 449 | "Can't call commit() on an XAConnection associated with a global transaction", |
| 450 | SQLError.SQL_STATE_INVALID_TRANSACTION_TERMINATION, |
| 451 | MysqlErrorNumbers.ER_XA_RMERR); |
| 452 | } |
| 453 | |
| 454 | try { |
| 455 | this.mc.commit(); |
| 456 | } catch (SQLException sqlException) { |
| 457 | checkAndFireConnectionError(sqlException); |
| 458 | } |
| 459 | } |
| 460 | |
| 461 | /** |
| 462 | * Passes call to method on physical connection instance. Notifies listeners |
| 463 | * of any caught exceptions before re-throwing to client. |
| 464 | * |
| 465 | * @see java.sql.Connection#createStatement() |
| 466 | */ |
| 467 | public java.sql.Statement createStatement() throws SQLException { |
| 468 | checkClosed(); |
| 469 | |
| 470 | try { |
| 471 | return new StatementWrapper(this, this.mpc, this.mc |
| 472 | .createStatement()); |
| 473 | } catch (SQLException sqlException) { |
| 474 | checkAndFireConnectionError(sqlException); |
| 475 | } |
| 476 | |
| 477 | return null; // we don't reach this code, compiler can't tell |
| 478 | } |
| 479 | |
| 480 | /** |
| 481 | * Passes call to method on physical connection instance. Notifies listeners |
| 482 | * of any caught exceptions before re-throwing to client. |
| 483 | * |
| 484 | * @see java.sql.Connection#createStatement() |
| 485 | */ |
| 486 | public java.sql.Statement createStatement(int resultSetType, |
| 487 | int resultSetConcurrency) throws SQLException { |
| 488 | checkClosed(); |
| 489 | |
| 490 | try { |
| 491 | return new StatementWrapper(this, this.mpc, this.mc |
| 492 | .createStatement(resultSetType, resultSetConcurrency)); |
| 493 | } catch (SQLException sqlException) { |
| 494 | checkAndFireConnectionError(sqlException); |
| 495 | } |
| 496 | |
| 497 | return null; // we don't reach this code, compiler can't tell |
| 498 | } |
| 499 | |
| 500 | /** |
| 501 | * @see Connection#createStatement(int, int, int) |
| 502 | */ |
| 503 | public java.sql.Statement createStatement(int arg0, int arg1, int arg2) |
| 504 | throws SQLException { |
| 505 | checkClosed(); |
| 506 | |
| 507 | try { |
| 508 | return new StatementWrapper(this, this.mpc, this.mc |
| 509 | .createStatement(arg0, arg1, arg2)); |
| 510 | } catch (SQLException sqlException) { |
| 511 | checkAndFireConnectionError(sqlException); |
| 512 | } |
| 513 | |
| 514 | return null; // we don't reach this code, compiler can't tell |
| 515 | } |
| 516 | |
| 517 | /** |
| 518 | * Passes call to method on physical connection instance. Notifies listeners |
| 519 | * of any caught exceptions before re-throwing to client. |
| 520 | * |
| 521 | * @see java.sql.Connection#nativeSQL() |
| 522 | */ |
| 523 | public String nativeSQL(String sql) throws SQLException { |
| 524 | checkClosed(); |
| 525 | |
| 526 | try { |
| 527 | return this.mc.nativeSQL(sql); |
| 528 | } catch (SQLException sqlException) { |
| 529 | checkAndFireConnectionError(sqlException); |
| 530 | } |
| 531 | |
| 532 | return null; // we don't reach this code, compiler can't tell |
| 533 | } |
| 534 | |
| 535 | /** |
| 536 | * Passes call to method on physical connection instance. Notifies listeners |
| 537 | * of any caught exceptions before re-throwing to client. |
| 538 | * |
| 539 | * @see java.sql.Connection#prepareCall() |
| 540 | */ |
| 541 | public java.sql.CallableStatement prepareCall(String sql) |
| 542 | throws SQLException { |
| 543 | checkClosed(); |
| 544 | |
| 545 | try { |
| 546 | return new CallableStatementWrapper(this, this.mpc, this.mc |
| 547 | .prepareCall(sql)); |
| 548 | } catch (SQLException sqlException) { |
| 549 | checkAndFireConnectionError(sqlException); |
| 550 | } |
| 551 | |
| 552 | return null; // we don't reach this code, compiler can't tell |
| 553 | } |
| 554 | |
| 555 | /** |
| 556 | * Passes call to method on physical connection instance. Notifies listeners |
| 557 | * of any caught exceptions before re-throwing to client. |
| 558 | * |
| 559 | * @see java.sql.Connection#prepareCall() |
| 560 | */ |
| 561 | public java.sql.CallableStatement prepareCall(String sql, |
| 562 | int resultSetType, int resultSetConcurrency) throws SQLException { |
| 563 | checkClosed(); |
| 564 | |
| 565 | try { |
| 566 | return new CallableStatementWrapper(this, this.mpc, this.mc |
| 567 | .prepareCall(sql, resultSetType, resultSetConcurrency)); |
| 568 | } catch (SQLException sqlException) { |
| 569 | checkAndFireConnectionError(sqlException); |
| 570 | } |
| 571 | |
| 572 | return null; // we don't reach this code, compiler can't tell |
| 573 | } |
| 574 | |
| 575 | /** |
| 576 | * @see Connection#prepareCall(String, int, int, int) |
| 577 | */ |
| 578 | public java.sql.CallableStatement prepareCall(String arg0, int arg1, |
| 579 | int arg2, int arg3) throws SQLException { |
| 580 | checkClosed(); |
| 581 | |
| 582 | try { |
| 583 | return new CallableStatementWrapper(this, this.mpc, this.mc |
| 584 | .prepareCall(arg0, arg1, arg2, arg3)); |
| 585 | } catch (SQLException sqlException) { |
| 586 | checkAndFireConnectionError(sqlException); |
| 587 | } |
| 588 | |
| 589 | return null; // we don't reach this code, compiler can't tell |
| 590 | } |
| 591 | |
| 592 | public java.sql.PreparedStatement clientPrepare(String sql) throws SQLException |
| 593 | { |
| 594 | checkClosed(); |
| 595 | |
| 596 | try { |
| 597 | return new PreparedStatementWrapper(this, this.mpc, |
| 598 | this.mc.clientPrepareStatement(sql)); |
| 599 | } catch (SQLException sqlException) { |
| 600 | checkAndFireConnectionError(sqlException); |
| 601 | } |
| 602 | |
| 603 | return null; |
| 604 | } |
| 605 | |
| 606 | public java.sql.PreparedStatement clientPrepare(String sql, |
| 607 | int resultSetType, int resultSetConcurrency) throws SQLException |
| 608 | { |
| 609 | checkClosed(); |
| 610 | |
| 611 | try { |
| 612 | return new PreparedStatementWrapper(this, this.mpc, |
| 613 | this.mc.clientPrepareStatement(sql, |
| 614 | resultSetType, resultSetConcurrency)); |
| 615 | } catch (SQLException sqlException) { |
| 616 | checkAndFireConnectionError(sqlException); |
| 617 | } |
| 618 | |
| 619 | return null; |
| 620 | } |
| 621 | |
| 622 | /** |
| 623 | * Passes call to method on physical connection instance. Notifies listeners |
| 624 | * of any caught exceptions before re-throwing to client. |
| 625 | * |
| 626 | * @see java.sql.Connection#prepareStatement() |
| 627 | */ |
| 628 | public java.sql.PreparedStatement prepareStatement(String sql) |
| 629 | throws SQLException { |
| 630 | checkClosed(); |
| 631 | |
| 632 | try { |
| 633 | return new PreparedStatementWrapper(this, this.mpc, this.mc |
| 634 | .prepareStatement(sql)); |
| 635 | } catch (SQLException sqlException) { |
| 636 | checkAndFireConnectionError(sqlException); |
| 637 | } |
| 638 | |
| 639 | return null; // we don't reach this code, compiler can't tell |
| 640 | } |
| 641 | |
| 642 | /** |
| 643 | * Passes call to method on physical connection instance. Notifies listeners |
| 644 | * of any caught exceptions before re-throwing to client. |
| 645 | * |
| 646 | * @see java.sql.Connection#prepareStatement() |
| 647 | */ |
| 648 | public java.sql.PreparedStatement prepareStatement(String sql, |
| 649 | int resultSetType, int resultSetConcurrency) throws SQLException { |
| 650 | checkClosed(); |
| 651 | |
| 652 | try { |
| 653 | return new PreparedStatementWrapper(this, this.mpc, this.mc |
| 654 | .prepareStatement(sql, resultSetType, resultSetConcurrency)); |
| 655 | } catch (SQLException sqlException) { |
| 656 | checkAndFireConnectionError(sqlException); |
| 657 | } |
| 658 | |
| 659 | return null; // we don't reach this code, compiler can't tell |
| 660 | } |
| 661 | |
| 662 | /** |
| 663 | * @see Connection#prepareStatement(String, int, int, int) |
| 664 | */ |
| 665 | public java.sql.PreparedStatement prepareStatement(String arg0, int arg1, |
| 666 | int arg2, int arg3) throws SQLException { |
| 667 | checkClosed(); |
| 668 | |
| 669 | try { |
| 670 | return new PreparedStatementWrapper(this, this.mpc, this.mc |
| 671 | .prepareStatement(arg0, arg1, arg2, arg3)); |
| 672 | } catch (SQLException sqlException) { |
| 673 | checkAndFireConnectionError(sqlException); |
| 674 | } |
| 675 | |
| 676 | return null; // we don't reach this code, compiler can't tell |
| 677 | } |
| 678 | |
| 679 | /** |
| 680 | * @see Connection#prepareStatement(String, int) |
| 681 | */ |
| 682 | public java.sql.PreparedStatement prepareStatement(String arg0, int arg1) |
| 683 | throws SQLException { |
| 684 | checkClosed(); |
| 685 | |
| 686 | try { |
| 687 | return new PreparedStatementWrapper(this, this.mpc, this.mc |
| 688 | .prepareStatement(arg0, arg1)); |
| 689 | } catch (SQLException sqlException) { |
| 690 | checkAndFireConnectionError(sqlException); |
| 691 | } |
| 692 | |
| 693 | return null; // we don't reach this code, compiler can't tell |
| 694 | } |
| 695 | |
| 696 | /** |
| 697 | * @see Connection#prepareStatement(String, int[]) |
| 698 | */ |
| 699 | public java.sql.PreparedStatement prepareStatement(String arg0, int[] arg1) |
| 700 | throws SQLException { |
| 701 | checkClosed(); |
| 702 | |
| 703 | try { |
| 704 | return new PreparedStatementWrapper(this, this.mpc, this.mc |
| 705 | .prepareStatement(arg0, arg1)); |
| 706 | } catch (SQLException sqlException) { |
| 707 | checkAndFireConnectionError(sqlException); |
| 708 | } |
| 709 | |
| 710 | return null; // we don't reach this code, compiler can't tell |
| 711 | } |
| 712 | |
| 713 | /** |
| 714 | * @see Connection#prepareStatement(String, String[]) |
| 715 | */ |
| 716 | public java.sql.PreparedStatement prepareStatement(String arg0, |
| 717 | String[] arg1) throws SQLException { |
| 718 | checkClosed(); |
| 719 | |
| 720 | try { |
| 721 | return new PreparedStatementWrapper(this, this.mpc, this.mc |
| 722 | .prepareStatement(arg0, arg1)); |
| 723 | } catch (SQLException sqlException) { |
| 724 | checkAndFireConnectionError(sqlException); |
| 725 | } |
| 726 | |
| 727 | return null; // we don't reach this code, compiler can't tell |
| 728 | } |
| 729 | |
| 730 | /** |
| 731 | * @see Connection#releaseSavepoint(Savepoint) |
| 732 | */ |
| 733 | public void releaseSavepoint(Savepoint arg0) throws SQLException { |
| 734 | checkClosed(); |
| 735 | |
| 736 | try { |
| 737 | this.mc.releaseSavepoint(arg0); |
| 738 | } catch (SQLException sqlException) { |
| 739 | checkAndFireConnectionError(sqlException); |
| 740 | } |
| 741 | } |
| 742 | |
| 743 | /** |
| 744 | * Passes call to method on physical connection instance. Notifies listeners |
| 745 | * of any caught exceptions before re-throwing to client. |
| 746 | * |
| 747 | * @see java.sql.Connection#rollback() |
| 748 | */ |
| 749 | public void rollback() throws SQLException { |
| 750 | checkClosed(); |
| 751 | |
| 752 | |
| 753 | if (isInGlobalTx()) { |
| 754 | throw SQLError.createSQLException("Can't call rollback() on an XAConnection associated with a global transaction", |
| 755 | SQLError.SQL_STATE_INVALID_TRANSACTION_TERMINATION, |
| 756 | MysqlErrorNumbers.ER_XA_RMERR); |
| 757 | } |
| 758 | |
| 759 | try { |
| 760 | this.mc.rollback(); |
| 761 | } catch (SQLException sqlException) { |
| 762 | checkAndFireConnectionError(sqlException); |
| 763 | } |
| 764 | } |
| 765 | |
| 766 | /** |
| 767 | * @see Connection#rollback(Savepoint) |
| 768 | */ |
| 769 | public void rollback(Savepoint arg0) throws SQLException { |
| 770 | checkClosed(); |
| 771 | |
| 772 | if (isInGlobalTx()) { |
| 773 | throw SQLError.createSQLException("Can't call rollback() on an XAConnection associated with a global transaction", |
| 774 | SQLError.SQL_STATE_INVALID_TRANSACTION_TERMINATION, |
| 775 | MysqlErrorNumbers.ER_XA_RMERR); |
| 776 | } |
| 777 | |
| 778 | try { |
| 779 | this.mc.rollback(arg0); |
| 780 | } catch (SQLException sqlException) { |
| 781 | checkAndFireConnectionError(sqlException); |
| 782 | } |
| 783 | } |
| 784 | |
| 785 | public boolean isSameResource(Connection c) { |
| 786 | if (c instanceof ConnectionWrapper) { |
| 787 | return this.mc.isSameResource(((ConnectionWrapper)c).mc); |
| 788 | } else if (c instanceof com.mysql.jdbc.Connection) { |
| 789 | return this.mc.isSameResource((com.mysql.jdbc.Connection)c); |
| 790 | } |
| 791 | |
| 792 | return false; |
| 793 | } |
| 794 | |
| 795 | protected void close(boolean fireClosedEvent) throws SQLException { |
| 796 | synchronized (this.mpc) { |
| 797 | if (this.closed) { |
| 798 | return; |
| 799 | } |
| 800 | |
| 801 | if (!isInGlobalTx() |
| 802 | && this.mc.getRollbackOnPooledClose() |
| 803 | && !this.getAutoCommit()) { |
| 804 | rollback(); |
| 805 | } |
| 806 | |
| 807 | if (fireClosedEvent) { |
| 808 | this.mpc.callListener( |
| 809 | MysqlPooledConnection.CONNECTION_CLOSED_EVENT, null); |
| 810 | } |
| 811 | |
| 812 | // set closed status to true so that if application client tries to |
| 813 | // make additional |
| 814 | // calls a sqlException will be thrown. The physical connection is |
| 815 | // re-used by the pooled connection each time getConnection is |
| 816 | // called. |
| 817 | this.closed = true; |
| 818 | } |
| 819 | } |
| 820 | |
| 821 | private void checkClosed() throws SQLException { |
| 822 | if (this.closed) { |
| 823 | throw SQLError.createSQLException(this.invalidHandleStr); |
| 824 | } |
| 825 | } |
| 826 | |
| 827 | protected boolean isInGlobalTx() { |
| 828 | return this.mc.isInGlobalTx(); |
| 829 | } |
| 830 | |
| 831 | protected void setInGlobalTx(boolean flag) { |
| 832 | this.mc.setInGlobalTx(flag); |
| 833 | } |
| 834 | |
| 835 | public void ping() throws SQLException { |
| 836 | if (this.mc != null) { |
| 837 | this.mc.ping(); |
| 838 | } |
| 839 | } |
| 840 | } |