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.PreparedStatement; 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 PreparedStatementInvocationStrategy<D> extends DatabaseWriteInvocationStrategy<D, Connection, PreparedStatement> 034{ 035 private Connection connection; 036 private TransactionContext<D> transactionContext; 037 private String sql; 038 039 /** 040 * @param cluster 041 * @param connection 042 * @param transactionContext 043 * @param sql 044 */ 045 public PreparedStatementInvocationStrategy(DatabaseCluster<D> cluster, Connection connection, TransactionContext<D> transactionContext, String sql) 046 { 047 super(cluster.getNonTransactionalExecutor()); 048 049 this.connection = connection; 050 this.transactionContext = transactionContext; 051 this.sql = sql; 052 } 053 054 /** 055 * @see net.sf.hajdbc.sql.DatabaseWriteInvocationStrategy#invoke(net.sf.hajdbc.sql.SQLProxy, net.sf.hajdbc.sql.Invoker) 056 */ 057 @Override 058 public PreparedStatement invoke(SQLProxy<D, Connection> proxy, Invoker<D, Connection, PreparedStatement> invoker) throws Exception 059 { 060 return ProxyFactory.createProxy(PreparedStatement.class, new PreparedStatementInvocationHandler<D>(this.connection, proxy, invoker, this.invokeAll(proxy, invoker), this.transactionContext, new FileSupportImpl(), this.sql)); 061 } 062}