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}