1 /* 2 * Copyright (c) 2013, 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 java.sql; 27 28 /** 29 * An interface that must be implemented when a {@linkplain Driver} wants to be 30 * notified by {@code DriverManager}. 31 *<P> 32 * A {@code DriverAction} implementation is not intended to be used 33 * directly by applications. A JDBC Driver may choose 34 * to create its {@code DriverAction} implementation in a private class 35 * to avoid it being called directly. 36 * <o> 37 * The JDBC driver's static initialization block must call 38 * {@linkplain DriverManager#registerDriver(Driver, DriverAction) } in order 39 * to inform {@code DriverManager} which {@code DriverAction} implementation to 40 * call when the JDBC driver is de-registered. 41 * @since 1.8 42 */ 43 public interface DriverAction { 44 /** 45 * Method called by 46 * {@linkplain DriverManager#deregisterDriver(Driver) } 47 * to notify the JDBC driver that it was de-registered. 48 * <p> 49 * The {@code deregister} method is intended only to be used by JDBC Drivers 50 * and not by applications. JDBC drivers are recommended to not implement 51 * {@code DriverAction} in a public class. If there are active 52 * connections to the database at the time that the {@code deregister} 53 * method is called, it is implementation specific as to whether the 54 * connections are closed or allowed to continue. Once this method is 55 * called, it is implementation specific as to whether the driver may 56 * limit the ability to create new connections to the database, invoke 57 * other {@code Driver} methods or throw a {@code SQLException}. 58 * Consult your JDBC driver's documentation for additional information 59 * on its behavior. 60 * @see DriverManager#registerDriver(Driver, DriverAction) 61 * @see DriverManager#deregisterDriver(Driver) 62 * @since 1.8 63 */ 64 void deregister(); 65 66 }