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Java example source code file (ConnectionEventListener.java)
The ConnectionEventListener.java Java example source code/* * Copyright (c) 2000, 2001, 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; /** * <P> * An object that registers to be notified of events generated by a * <code>PooledConnection object. * <P> * The <code>ConnectionEventListener interface is implemented by a * connection pooling component. A connection pooling component will * usually be provided by a JDBC driver vendor or another system software * vendor. A JDBC driver notifies a <code>ConnectionEventListener * object when an application is finished using a pooled connection with * which the listener has registered. The notification * occurs after the application calls the method <code>close on * its representation of a <code>PooledConnection object. A * <code>ConnectionEventListener is also notified when a * connection error occurs due to the fact that the <code>PooledConnection * is unfit for future use---the server has crashed, for example. * The listener is notified by the JDBC driver just before the driver throws an * <code>SQLException to the application using the * <code>PooledConnection object. * * @since 1.4 */ public interface ConnectionEventListener extends java.util.EventListener { /** * Notifies this <code>ConnectionEventListener that * the application has called the method <code>close on its * representation of a pooled connection. * * @param event an event object describing the source of * the event */ void connectionClosed(ConnectionEvent event); /** * Notifies this <code>ConnectionEventListener that * a fatal error has occurred and the pooled connection can * no longer be used. The driver makes this notification just * before it throws the application the <code>SQLException * contained in the given <code>ConnectionEvent object. * * @param event an event object describing the source of * the event and containing the <code>SQLException that the * driver is about to throw */ void connectionErrorOccurred(ConnectionEvent event); } Other Java examples (source code examples)Here is a short list of links related to this Java ConnectionEventListener.java source code file: |
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