00001 /** 00002 * C-JDBC: Clustered JDBC. 00003 * Copyright (C) 2002-2004 French National Institute For Research In Computer 00004 * Science And Control (INRIA). 00005 * Contact: c-jdbc@objectweb.org 00006 * 00007 * This library is free software; you can redistribute it and/or modify it 00008 * under the terms of the GNU Lesser General Public License as published by the 00009 * Free Software Foundation; either version 2.1 of the License, or any later 00010 * version. 00011 * 00012 * This library is distributed in the hope that it will be useful, but WITHOUT 00013 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00014 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License 00015 * for more details. 00016 * 00017 * You should have received a copy of the GNU Lesser General Public License 00018 * along with this library; if not, write to the Free Software Foundation, 00019 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. 00020 * 00021 * Initial developer(s): Emmanuel Cecchet. 00022 * Contributor(s): _______________________ 00023 */ 00024 00025 package org.objectweb.cjdbc.controller.loadbalancer.policies.errorchecking; 00026 00027 import java.util.ArrayList; 00028 00029 /** 00030 * Error checking using all backends. 00031 * 00032 * @author <a href="mailto:Emmanuel.Cecchet@inria.fr">Emmanuel Cecchet</a> 00033 * @version 1.0 00034 */ 00035 public class ErrorCheckingAll extends ErrorCheckingPolicy 00036 { 00037 00038 /** 00039 * Creates a new <code>ErrorCheckingAll</code> instance. 00040 */ 00041 public ErrorCheckingAll() 00042 { 00043 // We don't care about the number of nodes but the father's constructor 00044 // needs at least 3 nodes. 00045 super(ErrorCheckingPolicy.ALL, 3); 00046 } 00047 00048 /** 00049 * @see org.objectweb.cjdbc.controller.loadbalancer.policies.errorchecking.ErrorCheckingPolicy#getBackends(ArrayList) 00050 */ 00051 public ArrayList getBackends(ArrayList backends) 00052 throws ErrorCheckingException 00053 { 00054 return backends; 00055 } 00056 00057 /** 00058 * @see org.objectweb.cjdbc.controller.loadbalancer.policies.errorchecking.ErrorCheckingPolicy#getInformation() 00059 */ 00060 public String getInformation() 00061 { 00062 return "Error checking using all backends"; 00063 } 00064 }