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Java example source code file (StatementEvent.java)

This example Java source code file (StatementEvent.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

eventobject, jdbc, preparedstatement, sql, sqlexception, statementevent, util

The StatementEvent.java Java example source code

/*
 * Copyright (c) 2005, 2013, 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;

import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.EventObject;

/**
 * A <code>StatementEvent is sent to all StatementEventListeners which were
 * registered with a <code>PooledConnection. This occurs when the driver determines that a
 * <code>PreparedStatement that is associated with the PooledConnection has been closed or the driver determines
 * is invalid.
 * <p>
 * @since 1.6
 */
public class StatementEvent extends EventObject {

        static final long serialVersionUID = -8089573731826608315L;
        private SQLException            exception;
        private PreparedStatement       statement;

        /**
         * Constructs a <code>StatementEvent with the specified PooledConnection and
         * <code>PreparedStatement.  The SQLException contained in the event defaults to
         * null.
         * <p>
         * @param con                   The <code>PooledConnection that the closed or invalid
         * <code>PreparedStatementis associated with.
         * @param statement             The <code>PreparedStatement that is being closed or is invalid
         * <p>
         * @throws IllegalArgumentException if <code>con is null.
         *
         * @since 1.6
         */
        public StatementEvent(PooledConnection con,
                                                  PreparedStatement statement) {

                super(con);

                this.statement = statement;
                this.exception = null;
        }

        /**
         * Constructs a <code>StatementEvent with the specified PooledConnection,
         * <code>PreparedStatement and SQLException
         * <p>
         * @param con                   The <code>PooledConnection that the closed or invalid PreparedStatement
         * is associated with.
         * @param statement             The <code>PreparedStatement that is being closed or is invalid
         * @param exception             The <code>SQLException the driver is about to throw to
         *                                              the application
         *
         * @throws IllegalArgumentException if <code>con is null.
         * <p>
         * @since 1.6
         */
        public StatementEvent(PooledConnection con,
                                                  PreparedStatement statement,
                                                  SQLException exception) {

                super(con);

                this.statement = statement;
                this.exception = exception;
        }

        /**
         * Returns the <code>PreparedStatement that is being closed or is invalid
         * <p>
         * @return      The <code>PreparedStatement that is being closed or is invalid
         * <p>
         * @since 1.6
         */
        public PreparedStatement getStatement() {

                return this.statement;
        }

        /**
         * Returns the <code>SQLException the driver is about to throw
         * <p>
         * @return      The <code>SQLException the driver is about to throw
         * <p>
         * @since 1.6
         */
        public SQLException getSQLException() {

                return this.exception;
        }
}

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