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.lang.reflect.Method; 024import java.sql.Connection; 025import java.sql.SQLException; 026import java.sql.Savepoint; 027import java.util.Map; 028 029import net.sf.hajdbc.Database; 030 031/** 032 * @author Paul Ferraro 033 * @param <D> 034 */ 035public class SavepointInvocationHandler<D> extends AbstractChildInvocationHandler<D, Connection, Savepoint> 036{ 037 /** 038 * @param connection the connection that created this savepoint 039 * @param proxy the invocation handler of the connection that created this savepoint 040 * @param invoker the invoker used to create this savepoint 041 * @param savepointMap a map of database to underlying savepoint 042 * @throws Exception 043 */ 044 protected SavepointInvocationHandler(Connection connection, SQLProxy<D, Connection> proxy, Invoker<D, Connection, Savepoint> invoker, Map<Database<D>, Savepoint> savepointMap) throws Exception 045 { 046 super(connection, proxy, invoker, Savepoint.class, savepointMap); 047 } 048 049 /** 050 * @see net.sf.hajdbc.sql.AbstractChildInvocationHandler#getInvocationStrategy(java.lang.Object, java.lang.reflect.Method, java.lang.Object[]) 051 */ 052 @Override 053 protected InvocationStrategy<D, Savepoint, ?> getInvocationStrategy(Savepoint object, Method method, Object[] parameters) 054 { 055 return new DriverReadInvocationStrategy<D, Savepoint, Object>(); 056 } 057 058 /** 059 * @see net.sf.hajdbc.sql.AbstractChildInvocationHandler#close(java.lang.Object, java.lang.Object) 060 */ 061 @Override 062 protected void close(Connection connection, Savepoint savepoint) throws SQLException 063 { 064 connection.releaseSavepoint(savepoint); 065 } 066}