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}