001/*
002 * HA-JDBC: High-Availability JDBC
003 * Copyright (C) 2012  Paul Ferraro
004 *
005 * This program is free software: you can redistribute it and/or modify
006 * it under the terms of the GNU Lesser General Public License as published by
007 * the Free Software Foundation, either version 3 of the License, or
008 * (at your option) any later version.
009 *
010 * This program is distributed in the hope that it will be useful,
011 * but WITHOUT ANY WARRANTY; without even the implied warranty of
012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
013 * GNU Lesser General Public License for more details.
014 *
015 * You should have received a copy of the GNU Lesser General Public License
016 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
017 */
018package net.sf.hajdbc.sql.xa;
019
020import java.lang.reflect.Method;
021import java.sql.SQLException;
022import java.util.Set;
023
024import javax.sql.XADataSource;
025
026import net.sf.hajdbc.invocation.InvocationStrategies;
027import net.sf.hajdbc.invocation.InvocationStrategy;
028import net.sf.hajdbc.sql.CommonDataSourceInvocationHandler;
029import net.sf.hajdbc.sql.ProxyFactoryFactory;
030import net.sf.hajdbc.util.reflect.Methods;
031
032/**
033 * @author Paul Ferraro
034 *
035 */
036public class XADataSourceInvocationHandler extends CommonDataSourceInvocationHandler<XADataSource, XADataSourceDatabase, XADataSourceProxyFactory>
037{
038        private static final Set<Method> getXAConnectionMethodSet = Methods.findMethods(XADataSource.class, "getXAConnection");
039        
040        public XADataSourceInvocationHandler(XADataSourceProxyFactory factory)
041        {
042                super(XADataSource.class, factory);
043        }
044
045        /**
046         * {@inheritDoc}
047         * @see net.sf.hajdbc.sql.CommonDataSourceInvocationHandler#getInvocationStrategy(javax.sql.CommonDataSource, java.lang.reflect.Method, java.lang.Object[])
048         */
049        @Override
050        protected InvocationStrategy getInvocationStrategy(XADataSource dataSource, Method method, Object... parameters) throws SQLException
051        {
052                if (getXAConnectionMethodSet.contains(method))
053                {
054                        return InvocationStrategies.TRANSACTION_INVOKE_ON_ALL;
055                }
056                return super.getInvocationStrategy(dataSource, method, parameters);
057        }
058
059        @Override
060        protected ProxyFactoryFactory<XADataSource, XADataSourceDatabase, XADataSource, SQLException, ?, ? extends Exception> getProxyFactoryFactory(XADataSource object, Method method, Object... parameters) throws SQLException
061        {
062                if (getXAConnectionMethodSet.contains(method))
063                {
064                        return new XAConnectionProxyFactoryFactory();
065                }
066                
067                return super.getProxyFactoryFactory(object, method, parameters);
068        }
069}