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Java > Open Source Codes > com > mysql > jdbc > jdbc2 > optional > WrapperBase


1 /*
2    Copyright (C) 2004 MySQL AB
3    
4       This program is free software; you can redistribute it and/or modify
5       it under the terms of the GNU General Public License as published by
6       the Free Software Foundation; either version 2 of the License, or
7       (at your option) any later version.
8    
9       This program is distributed in the hope that it will be useful,
10       but WITHOUT ANY WARRANTY; without even the implied warranty of
11       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12       GNU General Public License for more details.
13    
14       You should have received a copy of the GNU General Public License
15       along with this program; if not, write to the Free Software
16       Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17       
18  */
19 package com.mysql.jdbc.jdbc2.optional;
20
21 import java.sql.SQLException JavaDoc;
22
23 import com.mysql.jdbc.SQLError;
24
25 /**
26  * Base class for all wrapped instances created by LogicalHandle
27  *
28  * @author Mark matthews
29  *
30  * @version $Id: WrapperBase.java,v 1.1.2.1 2004/02/13 17:55:30 mmatthew Exp $
31  */
32 abstract class WrapperBase {
33     protected MysqlPooledConnection pooledConnection;
34     
35     /**
36      * Fires connection error event if required, before re-throwing exception
37      *
38      * @param sqlEx the SQLException that has ocurred
39      * @throws SQLException (rethrown)
40      */
41     protected void checkAndFireConnectionError(SQLException JavaDoc sqlEx) throws SQLException JavaDoc {
42         if (this.pooledConnection != null) {
43             if (SQLError.SQL_STATE_COMMUNICATION_LINK_FAILURE.equals(sqlEx.getSQLState())) {
44                 this.pooledConnection.callListener(MysqlPooledConnection.CONNECTION_ERROR_EVENT, sqlEx);
45             }
46         }
47         
48         throw sqlEx;
49     }
50 }
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