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;
019
020import java.lang.reflect.Method;
021
022import net.sf.hajdbc.Database;
023
024/**
025 * @author Paul Ferraro
026 * @param <D> 
027 * @param <P> 
028 * @param <T> 
029 */
030public abstract class ChildInvocationHandler<Z, D extends Database<Z>, P, PE extends Exception, T, E extends Exception, F extends ChildProxyFactory<Z, D, P, PE, T, E>> extends AbstractInvocationHandler<Z, D, T, E, F>
031{
032        private final Method parentMethod;
033        
034        protected ChildInvocationHandler(Class<T> proxyClass, F proxyFactory, Method parentMethod)
035        {
036                super(proxyClass, proxyFactory);
037                
038                this.parentMethod = parentMethod;
039        }
040
041        @Override
042        public Object invoke(Object proxy, Method method, Object[] args) throws Throwable
043        {
044                return ((this.parentMethod != null) && this.parentMethod.equals(method)) ? this.getProxyFactory().getParentProxy() : super.invoke(proxy, method, args);
045        }
046}