001/* 002 * HA-JDBC: High-Availability JDBC 003 * Copyright (c) 2004-2007 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; 022 023import java.sql.Connection; 024 025import net.sf.hajdbc.DatabaseCluster; 026import net.sf.hajdbc.util.reflect.ProxyFactory; 027 028/** 029 * @author Paul Ferraro 030 * @param <D> 031 * @param <P> 032 */ 033public class ConnectionInvocationStrategy<D, P> extends DatabaseWriteInvocationStrategy<D, P, Connection> 034{ 035 private P connectionFactory; 036 private TransactionContext<D> transactionContext; 037 038 /** 039 * @param cluster 040 * @param connectionFactory the factory from which to create connections 041 * @param transactionContext 042 */ 043 public ConnectionInvocationStrategy(DatabaseCluster<D> cluster, P connectionFactory, TransactionContext<D> transactionContext) 044 { 045 super(cluster.getNonTransactionalExecutor()); 046 047 this.connectionFactory = connectionFactory; 048 this.transactionContext = transactionContext; 049 } 050 051 /** 052 * @see net.sf.hajdbc.sql.DatabaseWriteInvocationStrategy#invoke(net.sf.hajdbc.sql.SQLProxy, net.sf.hajdbc.sql.Invoker) 053 */ 054 @Override 055 public Connection invoke(SQLProxy<D, P> proxy, Invoker<D, P, Connection> invoker) throws Exception 056 { 057 return ProxyFactory.createProxy(Connection.class, new ConnectionInvocationHandler<D, P>(this.connectionFactory, proxy, invoker, this.invokeAll(proxy, invoker), this.transactionContext)); 058 } 059}