/* * Copyright (c) 2000, 2006, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package javax.sql; import java.sql.SQLException; /** * <P>An <code>Event</code> object that provides information about the * source of a connection-related event.  <code>ConnectionEvent</code> * objects are generated when an application closes a pooled connection * and when an error occurs.  The <code>ConnectionEvent</code> object * contains two kinds of information: * <UL> *   <LI>The pooled connection closed by the application *   <LI>In the case of an error event, the <code>SQLException</code> *       about to be thrown to the application * </UL> * * @since 1.4 */ public class ConnectionEvent extends java.util.EventObject {   /**   * <P>Constructs a <code>ConnectionEvent</code> object initialized with   * the given <code>PooledConnection</code> object. <code>SQLException</code>   * defaults to <code>null</code>.   *   * @param con the pooled connection that is the source of the event   * @throws IllegalArgumentException if <code>con</code> is null.   */  public ConnectionEvent(PooledConnection con) {    super(con);  }   /**   * <P>Constructs a <code>ConnectionEvent</code> object initialized with   * the given <code>PooledConnection</code> object and   * <code>SQLException</code> object.   *   * @param con the pooled connection that is the source of the event   * @param ex the SQLException about to be thrown to the application   * @throws IllegalArgumentException if <code>con</code> is null.   */  public ConnectionEvent(PooledConnection con, SQLException ex) {    super(con);    this.ex = ex;  }   /**   * <P>Retrieves the <code>SQLException</code> for this   * <code>ConnectionEvent</code> object. May be <code>null</code>.   *   * @return the SQLException about to be thrown or <code>null</code>   */  public SQLException getSQLException() { return ex; }   /**   * The <code>SQLException</code> that the driver will throw to the   * application when an error occurs and the pooled connection is no   * longer usable.   * @serial   */  private SQLException ex = null;   /**   * Private serial version unique ID to ensure serialization   * compatibility.   */  static final long serialVersionUID = -4843217645290030002L;  }