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Java example source code file (StatementEventListener.java)
The StatementEventListener.java Java example source code/* * Copyright (c) 2005, 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. */ /* * Created on Apr 28, 2005 */ package javax.sql; /** * An object that registers to be notified of events that occur on PreparedStatements * that are in the Statement pool. * <p> * The JDBC 3.0 specification added the maxStatements * <code>ConnectionPooledDataSource property to provide a standard mechanism for * enabling the pooling of <code>PreparedStatements * and to specify the size of the statement * pool. However, there was no way for a driver to notify an external * statement pool when a <code>PreparedStatement becomes invalid. For some databases, a * statement becomes invalid if a DDL operation is performed that affects the * table. For example an application may create a temporary table to do some work * on the table and then destroy it. It may later recreate the same table when * it is needed again. Some databases will invalidate any prepared statements * that reference the temporary table when the table is dropped. * <p> * Similar to the methods defined in the <code>ConnectionEventListener interface, * the driver will call the <code>StatementEventListener.statementErrorOccurred * method prior to throwing any exceptions when it detects a statement is invalid. * The driver will also call the <code>StatementEventListener.statementClosed * method when a <code>PreparedStatement is closed. * <p> * Methods which allow a component to register a StatementEventListener with a * <code>PooledConnection have been added to the Other Java examples (source code examples)Here is a short list of links related to this Java StatementEventListener.java source code file: |
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