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}