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.ResultSet;
024import java.sql.Statement;
025
026import net.sf.hajdbc.DatabaseCluster;
027import net.sf.hajdbc.util.reflect.ProxyFactory;
028
029/**
030 * @author Paul Ferraro
031 * @param <D> 
032 * @param <S> 
033 */
034public class EagerResultSetInvocationStrategy<D, S extends Statement> extends DatabaseWriteInvocationStrategy<D, S, ResultSet>
035{
036        private S statement;
037        private TransactionContext<D> transactionContext;
038        private FileSupport fileSupport;
039
040        /**
041         * @param cluster 
042         * @param statement
043         * @param transactionContext
044         * @param fileSupport
045         */
046        public EagerResultSetInvocationStrategy(DatabaseCluster<D> cluster, S statement, TransactionContext<D> transactionContext, FileSupport fileSupport)
047        {
048                super(cluster.getTransactionalExecutor());
049                
050                this.statement = statement;
051                this.transactionContext = transactionContext;
052                this.fileSupport = fileSupport;
053        }
054
055        /**
056         * @see net.sf.hajdbc.sql.DatabaseWriteInvocationStrategy#invoke(net.sf.hajdbc.sql.SQLProxy, net.sf.hajdbc.sql.Invoker)
057         */
058        @Override
059        public ResultSet invoke(SQLProxy<D, S> proxy, Invoker<D, S, ResultSet> invoker) throws Exception
060        {
061                return ProxyFactory.createProxy(ResultSet.class, new ResultSetInvocationHandler<D, S>(this.statement, proxy, invoker, this.invokeAll(proxy, invoker), this.transactionContext, this.fileSupport));
062        }
063}