001/* 002 * HA-JDBC: High-Availability JDBC 003 * Copyright (c) 2004-2008 Paul Ferraro 004 * 005 * This library is free software; you can redistribute it and/or modify it 006 * under the terms of the GNU Lesser General Public License as published by the 007 * Free Software Foundation; either version 2.1 of the License, or (at your 008 * option) any later version. 009 * 010 * This library is distributed in the hope that it will be useful, but WITHOUT 011 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 012 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License 013 * for more details. 014 * 015 * You should have received a copy of the GNU Lesser General Public License 016 * along with this library; if not, write to the Free Software Foundation, 017 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 018 * 019 * Contact: ferraro@users.sourceforge.net 020 */ 021package net.sf.hajdbc.sql.pool; 022 023import java.lang.reflect.Method; 024import java.util.Set; 025 026import javax.sql.ConnectionPoolDataSource; 027 028import net.sf.hajdbc.DatabaseCluster; 029import net.sf.hajdbc.sql.CommonDataSourceInvocationHandler; 030import net.sf.hajdbc.sql.InvocationStrategy; 031import net.sf.hajdbc.util.reflect.Methods; 032 033/** 034 * @author Paul Ferraro 035 * 036 */ 037@SuppressWarnings("nls") 038public class ConnectionPoolDataSourceInvocationHandler extends CommonDataSourceInvocationHandler<ConnectionPoolDataSource> 039{ 040 private static final Set<Method> getPooledConnectionMethodSet = Methods.findMethods(ConnectionPoolDataSource.class, "getPooledConnection"); 041 042 /** 043 * @param databaseCluster 044 */ 045 public ConnectionPoolDataSourceInvocationHandler(DatabaseCluster<ConnectionPoolDataSource> databaseCluster) 046 { 047 super(databaseCluster, ConnectionPoolDataSource.class); 048 } 049 050 @Override 051 protected InvocationStrategy<ConnectionPoolDataSource, ConnectionPoolDataSource, ?> getInvocationStrategy(ConnectionPoolDataSource dataSource, Method method, Object[] parameters) throws Exception 052 { 053 if (getPooledConnectionMethodSet.contains(method)) 054 { 055 return new PooledConnectionInvocationStrategy(this.cluster, dataSource); 056 } 057 058 return super.getInvocationStrategy(dataSource, method, parameters); 059 } 060}