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| 1 | /* | ||
| 2 | * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package com.sun.rowset.internal; | ||
| 27 | |||
| 28 | import java.sql.*; | ||
| 29 | import javax.sql.*; | ||
| 30 | import javax.naming.*; | ||
| 31 | import java.io.*; | ||
| 32 | import java.lang.reflect.*; | ||
| 33 | |||
| 34 | import com.sun.rowset.*; | ||
| 35 | import javax.sql.rowset.*; | ||
| 36 | import javax.sql.rowset.spi.*; | ||
| 37 | |||
| 38 | /** | ||
| 39 | * The facility called by the <code>RIOptimisticProvider</code> object | ||
| 40 | * internally to read data into it. The calling <code>RowSet</code> object | ||
| 41 | * must have implemented the <code>RowSetInternal</code> interface | ||
| 42 | * and have the standard <code>CachedRowSetReader</code> object set as its | ||
| 43 | * reader. | ||
| 44 | * <P> | ||
| 45 | * This implementation always reads all rows of the data source, | ||
| 46 | * and it assumes that the <code>command</code> property for the caller | ||
| 47 | * is set with a query that is appropriate for execution by a | ||
| 48 | * <code>PreparedStatement</code> object. | ||
| 49 | * <P> | ||
| 50 | * Typically the <code>SyncFactory</code> manages the <code>RowSetReader</code> and | ||
| 51 | * the <code>RowSetWriter</code> implementations using <code>SyncProvider</code> objects. | ||
| 52 | * Standard JDBC RowSet implementations provide an object instance of this | ||
| 53 | * reader by invoking the <code>SyncProvider.getRowSetReader()</code> method. | ||
| 54 | * | ||
| 55 | * @author Jonathan Bruce | ||
| 56 | * @see javax.sql.rowset.spi.SyncProvider | ||
| 57 | * @see javax.sql.rowset.spi.SyncFactory | ||
| 58 | * @see javax.sql.rowset.spi.SyncFactoryException | ||
| 59 | */ | ||
| 60 | public class CachedRowSetReader implements RowSetReader, Serializable { | ||
| 61 | |||
| 62 | /** | ||
| 63 | * The field that keeps track of whether the writer associated with | ||
| 64 | * this <code>CachedRowSetReader</code> object's rowset has been called since | ||
| 65 | * the rowset was populated. | ||
| 66 | * <P> | ||
| 67 | * When this <code>CachedRowSetReader</code> object reads data into | ||
| 68 | * its rowset, it sets the field <code>writerCalls</code> to 0. | ||
| 69 | * When the writer associated with the rowset is called to write | ||
| 70 | * data back to the underlying data source, its <code>writeData</code> | ||
| 71 | * method calls the method <code>CachedRowSetReader.reset</code>, | ||
| 72 | * which increments <code>writerCalls</code> and returns <code>true</code> | ||
| 73 | * if <code>writerCalls</code> is 1. Thus, <code>writerCalls</code> equals | ||
| 74 | * 1 after the first call to <code>writeData</code> that occurs | ||
| 75 | * after the rowset has had data read into it. | ||
| 76 | * | ||
| 77 | * @serial | ||
| 78 | */ | ||
| 79 | private int writerCalls = 0; | ||
| 80 | |||
| 81 | private boolean userCon = false; | ||
| 82 | |||
| 83 | private int startPosition; | ||
| 84 | |||
| 85 | private JdbcRowSetResourceBundle resBundle; | ||
| 86 | |||
| 87 | public CachedRowSetReader() { | ||
| 88 | try { | ||
| 89 | resBundle = JdbcRowSetResourceBundle.getJdbcRowSetResourceBundle(); | ||
| 90 | } catch(IOException ioe) { | ||
| 91 | throw new RuntimeException(ioe); | ||
| 92 | } | ||
| 93 | } | ||
| 94 | |||
| 95 | |||
| 96 | /** | ||
| 97 | * Reads data from a data source and populates the given | ||
| 98 | * <code>RowSet</code> object with that data. | ||
| 99 | * This method is called by the rowset internally when | ||
| 100 | * the application invokes the method <code>execute</code> | ||
| 101 | * to read a new set of rows. | ||
| 102 | * <P> | ||
| 103 | * After clearing the rowset of its contents, if any, and setting | ||
| 104 | * the number of writer calls to <code>0</code>, this reader calls | ||
| 105 | * its <code>connect</code> method to make | ||
| 106 | * a connection to the rowset's data source. Depending on which | ||
| 107 | * of the rowset's properties have been set, the <code>connect</code> | ||
| 108 | * method will use a <code>DataSource</code> object or the | ||
| 109 | * <code>DriverManager</code> facility to make a connection to the | ||
| 110 | * data source. | ||
| 111 | * <P> | ||
| 112 | * Once the connection to the data source is made, this reader | ||
| 113 | * executes the query in the calling <code>CachedRowSet</code> object's | ||
| 114 | * <code>command</code> property. Then it calls the rowset's | ||
| 115 | * <code>populate</code> method, which reads data from the | ||
| 116 | * <code>ResultSet</code> object produced by executing the rowset's | ||
| 117 | * command. The rowset is then populated with this data. | ||
| 118 | * <P> | ||
| 119 | * This method's final act is to close the connection it made, thus | ||
| 120 | * leaving the rowset disconnected from its data source. | ||
| 121 | * | ||
| 122 | * @param caller a <code>RowSet</code> object that has implemented | ||
| 123 | * the <code>RowSetInternal</code> interface and had | ||
| 124 | * this <code>CachedRowSetReader</code> object set as | ||
| 125 | * its reader | ||
| 126 | * @throws SQLException if there is a database access error, there is a | ||
| 127 | * problem making the connection, or the command property has not | ||
| 128 | * been set | ||
| 129 | */ | ||
| 130 | public void readData(RowSetInternal caller) throws SQLException | ||
| 131 | { | ||
| 132 | Connection con = null; | ||
| 133 | try { | ||
| 134 | CachedRowSet crs = (CachedRowSet)caller; | ||
| 135 | |||
| 136 | // Get rid of the current contents of the rowset. | ||
| 137 | |||
| 138 | /** | ||
| 139 | * Checking added to verify whether page size has been set or not. | ||
| 140 | * If set then do not close the object as certain parameters need | ||
| 141 | * to be maintained. | ||
| 142 | */ | ||
| 143 | |||
| 144 | if(crs.getPageSize() == 0 && crs.size() >0 ) { | ||
| 145 | // When page size is not set, | ||
| 146 | // crs.size() will show the total no of rows. | ||
| 147 | crs.close(); | ||
| 148 | } | ||
| 149 | |||
| 150 | writerCalls = 0; | ||
| 151 | |||
| 152 | // Get a connection. This reader assumes that the necessary | ||
| 153 | // properties have been set on the caller to let it supply a | ||
| 154 | // connection. | ||
| 155 | userCon = false; | ||
| 156 | |||
| 157 | con = this.connect(caller); | ||
| 158 | |||
| 159 | // Check our assumptions. | ||
| 160 | if (con == null || crs.getCommand() == null) | ||
| 161 | throw new SQLException(resBundle.handleGetObject("crsreader.connecterr").toString()); | ||
| 162 | |||
| 163 | try { | ||
| 164 | con.setTransactionIsolation(crs.getTransactionIsolation()); | ||
| 165 | } catch (Exception ex) { | ||
| 166 | ; | ||
| 167 | } | ||
| 168 | // Use JDBC to read the data. | ||
| 169 | PreparedStatement pstmt = con.prepareStatement(crs.getCommand()); | ||
| 170 | // Pass any input parameters to JDBC. | ||
| 171 | |||
| 172 | decodeParams(caller.getParams(), pstmt); | ||
| 173 | try { | ||
| 174 | pstmt.setMaxRows(crs.getMaxRows()); | ||
| 175 | pstmt.setMaxFieldSize(crs.getMaxFieldSize()); | ||
| 176 | pstmt.setEscapeProcessing(crs.getEscapeProcessing()); | ||
| 177 | pstmt.setQueryTimeout(crs.getQueryTimeout()); | ||
| 178 | } catch (Exception ex) { | ||
| 179 | /* | ||
| 180 | * drivers may not support the above - esp. older | ||
| 181 | * drivers being used by the bridge.. | ||
| 182 | */ | ||
| 183 | throw new SQLException(ex.getMessage()); | ||
| 184 | } | ||
| 185 | |||
| 186 | if(crs.getCommand().toLowerCase().indexOf("select") != -1) { | ||
| 187 | // can be (crs.getCommand()).indexOf("select")) == 0 | ||
| 188 | // because we will be getting resultset when | ||
| 189 | // it may be the case that some false select query with | ||
| 190 | // select coming in between instead of first. | ||
| 191 | |||
| 192 | // if ((crs.getCommand()).indexOf("?")) does not return -1 | ||
| 193 | // implies a Prepared Statement like query exists. | ||
| 194 | |||
| 195 | ResultSet rs = pstmt.executeQuery(); | ||
| 196 | if(crs.getPageSize() == 0){ | ||
| 197 | crs.populate(rs); | ||
| 198 | } | ||
| 199 | else { | ||
| 200 | /** | ||
| 201 | * If page size has been set then create a ResultSet object that is scrollable using a | ||
| 202 | * PreparedStatement handle.Also call the populate(ResultSet,int) function to populate | ||
| 203 | * a page of data as specified by the page size. | ||
| 204 | */ | ||
| 205 | pstmt = con.prepareStatement(crs.getCommand(),ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_UPDATABLE); | ||
| 206 | decodeParams(caller.getParams(), pstmt); | ||
| 207 | try { | ||
| 208 | pstmt.setMaxRows(crs.getMaxRows()); | ||
| 209 | pstmt.setMaxFieldSize(crs.getMaxFieldSize()); | ||
| 210 | pstmt.setEscapeProcessing(crs.getEscapeProcessing()); | ||
| 211 | pstmt.setQueryTimeout(crs.getQueryTimeout()); | ||
| 212 | } catch (Exception ex) { | ||
| 213 | /* | ||
| 214 | * drivers may not support the above - esp. older | ||
| 215 | * drivers being used by the bridge.. | ||
| 216 | */ | ||
| 217 | throw new SQLException(ex.getMessage()); | ||
| 218 | } | ||
| 219 | rs = pstmt.executeQuery(); | ||
| 220 | crs.populate(rs,startPosition); | ||
| 221 | } | ||
| 222 | rs.close(); | ||
| 223 | } else { | ||
| 224 | pstmt.executeUpdate(); | ||
| 225 | } | ||
| 226 | |||
| 227 | // Get the data. | ||
| 228 | pstmt.close(); | ||
| 229 | try { | ||
| 230 | con.commit(); | ||
| 231 | } catch (SQLException ex) { | ||
| 232 | ; | ||
| 233 | } | ||
| 234 | // only close connections we created... | ||
| 235 | if (getCloseConnection() == true) | ||
| 236 | con.close(); | ||
| 237 | } | ||
| 238 | catch (SQLException ex) { | ||
| 239 | // Throw an exception if reading fails for any reason. | ||
| 240 | throw ex; | ||
| 241 | } finally { | ||
| 242 | try { | ||
| 243 | // only close connections we created... | ||
| 244 | if (con != null && getCloseConnection() == true) { | ||
| 245 | try { | ||
| 246 | if (!con.getAutoCommit()) { | ||
| 247 | con.rollback(); | ||
| 248 | } | ||
| 249 | } catch (Exception dummy) { | ||
| 250 | /* | ||
| 251 | * not an error condition, we're closing anyway, but | ||
| 252 | * we'd like to clean up any locks if we can since | ||
| 253 | * it is not clear the connection pool will clean | ||
| 254 | * these connections in a timely manner | ||
| 255 | */ | ||
| 256 | } | ||
| 257 | con.close(); | ||
| 258 | con = null; | ||
| 259 | } | ||
| 260 | } catch (SQLException e) { | ||
| 261 | // will get exception if something already went wrong, but don't | ||
| 262 | // override that exception with this one | ||
| 263 | } | ||
| 264 | } | ||
| 265 | } | ||
| 266 | |||
| 267 | /** | ||
| 268 | * Checks to see if the writer associated with this reader needs | ||
| 269 | * to reset its state. The writer will need to initialize its state | ||
| 270 | * if new contents have been read since the writer was last called. | ||
| 271 | * This method is called by the writer that was registered with | ||
| 272 | * this reader when components were being wired together. | ||
| 273 | * | ||
| 274 | * @return <code>true</code> if writer associated with this reader needs | ||
| 275 | * to reset the values of its fields; <code>false</code> otherwise | ||
| 276 | * @throws SQLException if an access error occurs | ||
| 277 | */ | ||
| 278 | public boolean reset() throws SQLException { | ||
| 279 | writerCalls++; | ||
| 280 | return writerCalls == 1; | ||
| 281 | } | ||
| 282 | |||
| 283 | /** | ||
| 284 | * Establishes a connection with the data source for the given | ||
| 285 | * <code>RowSet</code> object. If the rowset's <code>dataSourceName</code> | ||
| 286 | * property has been set, this method uses the JNDI API to retrieve the | ||
| 287 | * <code>DataSource</code> object that it can use to make the connection. | ||
| 288 | * If the url, username, and password properties have been set, this | ||
| 289 | * method uses the <code>DriverManager.getConnection</code> method to | ||
| 290 | * make the connection. | ||
| 291 | * <P> | ||
| 292 | * This method is used internally by the reader and writer associated with | ||
| 293 | * the calling <code>RowSet</code> object; an application never calls it | ||
| 294 | * directly. | ||
| 295 | * | ||
| 296 | * @param caller a <code>RowSet</code> object that has implemented | ||
| 297 | * the <code>RowSetInternal</code> interface and had | ||
| 298 | * this <code>CachedRowSetReader</code> object set as | ||
| 299 | * its reader | ||
| 300 | * @return a <code>Connection</code> object that represents a connection | ||
| 301 | * to the caller's data source | ||
| 302 | * @throws SQLException if an access error occurs | ||
| 303 | */ | ||
| 304 | public Connection connect(RowSetInternal caller) throws SQLException { | ||
| 305 | |||
| 306 | // Get a JDBC connection. | ||
| 307 | if (caller.getConnection() != null) { | ||
| 308 | // A connection was passed to execute(), so use it. | ||
| 309 | // As we are using a connection the user gave us we | ||
| 310 | // won't close it. | ||
| 311 | userCon = true; | ||
| 312 | return caller.getConnection(); | ||
| 313 | } | ||
| 314 | else if (((RowSet)caller).getDataSourceName() != null) { | ||
| 315 | // Connect using JNDI. | ||
| 316 | try { | ||
| 317 | Context ctx = new InitialContext(); | ||
| 318 | DataSource ds = (DataSource)ctx.lookup | ||
| 319 | (((RowSet)caller).getDataSourceName()); | ||
| 320 | |||
| 321 | // Check for username, password, | ||
| 322 | // if it exists try getting a Connection handle through them | ||
| 323 | // else try without these | ||
| 324 | // else throw SQLException | ||
| 325 | |||
| 326 | if(((RowSet)caller).getUsername() != null) { | ||
| 327 | return ds.getConnection(((RowSet)caller).getUsername(), | ||
| 328 | ((RowSet)caller).getPassword()); | ||
| 329 | } else { | ||
| 330 | return ds.getConnection(); | ||
| 331 | } | ||
| 332 | } | ||
| 333 | catch (javax.naming.NamingException ex) { | ||
| 334 | SQLException sqlEx = new SQLException(resBundle.handleGetObject("crsreader.connect").toString()); | ||
| 335 | sqlEx.initCause(ex); | ||
| 336 | throw sqlEx; | ||
| 337 | } | ||
| 338 | } else if (((RowSet)caller).getUrl() != null) { | ||
| 339 | // Connect using the driver manager. | ||
| 340 | return DriverManager.getConnection(((RowSet)caller).getUrl(), | ||
| 341 | ((RowSet)caller).getUsername(), | ||
| 342 | ((RowSet)caller).getPassword()); | ||
| 343 | } | ||
| 344 | else { | ||
| 345 | return null; | ||
| 346 | } | ||
| 347 | } | ||
| 348 | |||
| 349 | /** | ||
| 350 | * Sets the parameter placeholders | ||
| 351 | * in the rowset's command (the given <code>PreparedStatement</code> | ||
| 352 | * object) with the parameters in the given array. | ||
| 353 | * This method, called internally by the method | ||
| 354 | * <code>CachedRowSetReader.readData</code>, reads each parameter, and | ||
| 355 | * based on its type, determines the correct | ||
| 356 | * <code>PreparedStatement.setXXX</code> method to use for setting | ||
| 357 | * that parameter. | ||
| 358 | * | ||
| 359 | * @param params an array of parameters to be used with the given | ||
| 360 | * <code>PreparedStatement</code> object | ||
| 361 | * @param pstmt the <code>PreparedStatement</code> object that is the | ||
| 362 | * command for the calling rowset and into which | ||
| 363 | * the given parameters are to be set | ||
| 364 | * @throws SQLException if an access error occurs | ||
| 365 | */ | ||
| 366 | private void decodeParams(Object[] params, | ||
| 367 | PreparedStatement pstmt) throws SQLException { | ||
| 368 | // There is a corresponding decodeParams in JdbcRowSetImpl | ||
| 369 | // which does the same as this method. This is a design flaw. | ||
| 370 | // Update the JdbcRowSetImpl.decodeParams when you update | ||
| 371 | // this method. | ||
| 372 | |||
| 373 | // Adding the same comments to JdbcRowSetImpl.decodeParams. | ||
| 374 | |||
| 375 | int arraySize; | ||
| 376 | Object[] param = null; | ||
| 377 | |||
| 378 | for (int i=0; i < params.length; i++) { | ||
| 379 | if (params[i] instanceof Object[]) { | ||
| 380 | param = (Object[])params[i]; | ||
| 381 | |||
| 382 | if (param.length == 2) { | ||
| 383 | if (param[0] == null) { | ||
| 384 | pstmt.setNull(i + 1, ((Integer)param[1]).intValue()); | ||
| 385 | continue; | ||
| 386 | } | ||
| 387 | |||
| 388 | if (param[0] instanceof java.sql.Date || | ||
| 389 | param[0] instanceof java.sql.Time || | ||
| 390 | param[0] instanceof java.sql.Timestamp) { | ||
| 391 | System.err.println(resBundle.handleGetObject("crsreader.datedetected").toString()); | ||
| 392 | if (param[1] instanceof java.util.Calendar) { | ||
| 393 | System.err.println(resBundle.handleGetObject("crsreader.caldetected").toString()); | ||
| 394 | pstmt.setDate(i + 1, (java.sql.Date)param[0], | ||
| 395 | (java.util.Calendar)param[1]); | ||
| 396 | continue; | ||
| 397 | } | ||
| 398 | else { | ||
| 399 | throw new SQLException(resBundle.handleGetObject("crsreader.paramtype").toString()); | ||
| 400 | } | ||
| 401 | } | ||
| 402 | |||
| 403 | if (param[0] instanceof Reader) { | ||
| 404 | pstmt.setCharacterStream(i + 1, (Reader)param[0], | ||
| 405 | ((Integer)param[1]).intValue()); | ||
| 406 | continue; | ||
| 407 | } | ||
| 408 | |||
| 409 | /* | ||
| 410 | * What's left should be setObject(int, Object, scale) | ||
| 411 | */ | ||
| 412 | if (param[1] instanceof Integer) { | ||
| 413 | pstmt.setObject(i + 1, param[0], ((Integer)param[1]).intValue()); | ||
| 414 | continue; | ||
| 415 | } | ||
| 416 | |||
| 417 | } else if (param.length == 3) { | ||
| 418 | |||
| 419 | if (param[0] == null) { | ||
| 420 | pstmt.setNull(i + 1, ((Integer)param[1]).intValue(), | ||
| 421 | (String)param[2]); | ||
| 422 | continue; | ||
| 423 | } | ||
| 424 | |||
| 425 | if (param[0] instanceof java.io.InputStream) { | ||
| 426 | switch (((Integer)param[2]).intValue()) { | ||
| 427 | case CachedRowSetImpl.UNICODE_STREAM_PARAM: | ||
| 428 | pstmt.setUnicodeStream(i + 1, | ||
| 429 | (java.io.InputStream)param[0], | ||
| 430 | ((Integer)param[1]).intValue()); | ||
| 431 | case CachedRowSetImpl.BINARY_STREAM_PARAM: | ||
| 432 | pstmt.setBinaryStream(i + 1, | ||
| 433 | (java.io.InputStream)param[0], | ||
| 434 | ((Integer)param[1]).intValue()); | ||
| 435 | case CachedRowSetImpl.ASCII_STREAM_PARAM: | ||
| 436 | pstmt.setAsciiStream(i + 1, | ||
| 437 | (java.io.InputStream)param[0], | ||
| 438 | ((Integer)param[1]).intValue()); | ||
| 439 | default: | ||
| 440 | throw new SQLException(resBundle.handleGetObject("crsreader.paramtype").toString()); | ||
| 441 | } | ||
| 442 | } | ||
| 443 | |||
| 444 | /* | ||
| 445 | * no point at looking at the first element now; | ||
| 446 | * what's left must be the setObject() cases. | ||
| 447 | */ | ||
| 448 | if (param[1] instanceof Integer && param[2] instanceof Integer) { | ||
| 449 | pstmt.setObject(i + 1, param[0], ((Integer)param[1]).intValue(), | ||
| 450 | ((Integer)param[2]).intValue()); | ||
| 451 | continue; | ||
| 452 | } | ||
| 453 | |||
| 454 | throw new SQLException(resBundle.handleGetObject("crsreader.paramtype").toString()); | ||
| 455 | |||
| 456 | } else { | ||
| 457 | // common case - this catches all SQL92 types | ||
| 458 | pstmt.setObject(i + 1, params[i]); | ||
| 459 | continue; | ||
| 460 | } | ||
| 461 | } else { | ||
| 462 | // Try to get all the params to be set here | ||
| 463 | pstmt.setObject(i + 1, params[i]); | ||
| 464 | |||
| 465 | } | ||
| 466 | } | ||
| 467 | } | ||
| 468 | |||
| 469 | /** | ||
| 470 | * Assists in determining whether the current connection was created by this | ||
| 471 | * CachedRowSet to ensure incorrect connections are not prematurely terminated. | ||
| 472 | * | ||
| 473 | * @return a boolean giving the status of whether the connection has been closed. | ||
| 474 | */ | ||
| 475 | protected boolean getCloseConnection() { | ||
| 476 | if (userCon == true) | ||
| 477 | return false; | ||
| 478 | |||
| 479 | return true; | ||
| 480 | } | ||
| 481 | |||
| 482 | /** | ||
| 483 | * This sets the start position in the ResultSet from where to begin. This is | ||
| 484 | * called by the Reader in the CachedRowSetImpl to set the position on the page | ||
| 485 | * to begin populating from. | ||
| 486 | * @param pos integer indicating the position in the <code>ResultSet</code> to begin | ||
| 487 | * populating from. | ||
| 488 | */ | ||
| 489 | public void setStartPosition(int pos){ | ||
| 490 | startPosition = pos; | ||
| 491 | } | ||
| 492 | |||
| 493 | private void readObject(ObjectInputStream ois) throws IOException, ClassNotFoundException { | ||
| 494 | // Default state initialization happens here | ||
| 495 | ois.defaultReadObject(); | ||
| 496 | // Initialization of Res Bundle happens here . | ||
| 497 | try { | ||
| 498 | resBundle = JdbcRowSetResourceBundle.getJdbcRowSetResourceBundle(); | ||
| 499 | } catch(IOException ioe) { | ||
| 500 | throw new RuntimeException(ioe); | ||
| 501 | } | ||
| 502 | |||
| 503 | } | ||
| 504 | |||
| 505 | static final long serialVersionUID =5049738185801363801L; | ||
| 506 | } | ||