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; 024import java.sql.Savepoint; 025 026import net.sf.hajdbc.DatabaseCluster; 027import net.sf.hajdbc.util.reflect.ProxyFactory; 028 029/** 030 * @author Paul Ferraro 031 * @param <D> 032 */ 033public class SavepointInvocationStrategy<D> extends DatabaseWriteInvocationStrategy<D, Connection, Savepoint> 034{ 035 private Connection connection; 036 037 /** 038 * @param cluster 039 * @param connection the connection from which to create savepoints 040 */ 041 public SavepointInvocationStrategy(DatabaseCluster<D> cluster, Connection connection) 042 { 043 super(cluster.getTransactionalExecutor()); 044 045 this.connection = connection; 046 } 047 048 /** 049 * @see net.sf.hajdbc.sql.DatabaseWriteInvocationStrategy#invoke(net.sf.hajdbc.sql.SQLProxy, net.sf.hajdbc.sql.Invoker) 050 */ 051 @Override 052 public Savepoint invoke(SQLProxy<D, Connection> proxy, Invoker<D, Connection, Savepoint> invoker) throws Exception 053 { 054 return ProxyFactory.createProxy(Savepoint.class, new SavepointInvocationHandler<D>(this.connection, proxy, invoker, this.invokeAll(proxy, invoker))); 055 } 056}