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Java > Open Source Codes > org > jboss > ejb > plugins > cmp > jdbc > SQLExceptionProcessor


1 /*
2 * JBoss, Home of Professional Open Source
3 * Copyright 2005, JBoss Inc., and individual contributors as indicated
4 * by the @authors tag. See the copyright.txt in the distribution for a
5 * full listing of individual contributors.
6 *
7 * This is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU Lesser General Public License as
9 * published by the Free Software Foundation; either version 2.1 of
10 * the License, or (at your option) any later version.
11 *
12 * This software is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this software; if not, write to the Free
19 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21 */

22 package org.jboss.ejb.plugins.cmp.jdbc;
23
24 import org.jboss.system.ServiceMBeanSupport;
25
26 import java.sql.SQLException JavaDoc;
27
28 /**
29  * Default SQLExceptionProcessor.
30  *
31  * @author <a HREF="mailto:jeremy@boynes.com">Jeremy Boynes</a>
32  *
33  * @jmx.mbean
34  */

35 public final class SQLExceptionProcessor extends ServiceMBeanSupport implements SQLExceptionProcessorMBean
36 {
37    private static final String JavaDoc DUPLICATE_CODE = "23000";
38
39    /**
40     * Return true if the exception indicates that an operation failed due to a
41     * unique constraint violation. This could be from any unique constraint
42     * not just the primary key.
43     *
44     * @param e the SQLException to process
45     * @return true if it was caused by a unique constraint violation
46     * @jmx.managed-operation
47     */

48    public boolean isDuplicateKey(SQLException JavaDoc e)
49    {
50       return DUPLICATE_CODE.equals(e.getSQLState());
51    }
52 }
53
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