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.util.Map; 024 025import net.sf.hajdbc.Database; 026 027/** 028 * @author Paul Ferraro 029 * @param <D> 030 * @param <T> 031 * @param <R> 032 */ 033public class DriverReadInvocationStrategy<D, T, R> implements InvocationStrategy<D, T, R> 034{ 035 /** 036 * @see net.sf.hajdbc.sql.InvocationStrategy#invoke(net.sf.hajdbc.sql.SQLProxy, net.sf.hajdbc.sql.Invoker) 037 */ 038 @Override 039 public R invoke(SQLProxy<D, T> proxy, Invoker<D, T, R> invoker) throws Exception 040 { 041 Map.Entry<Database<D>, T> entry = proxy.entry(); 042 043 return invoker.invoke(entry.getKey(), entry.getValue()); 044 } 045}