001/* 002 * HA-JDBC: High-Availability JDBC 003 * Copyright (C) 2013 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.util.Map; 021 022import net.sf.hajdbc.Database; 023import net.sf.hajdbc.invocation.Invoker; 024 025/** 026 * 027 * @author Paul Ferraro 028 */ 029public abstract class AbstractChildProxyFactory<Z, D extends Database<Z>, P, PE extends Exception, T, E extends Exception> extends AbstractProxyFactory<Z, D, PE, T, E> implements ChildProxyFactory<Z, D, P, PE, T, E> 030{ 031 private final P parentProxy; 032 private final ProxyFactory<Z, D, P, PE> parent; 033 private final Invoker<Z, D, P, T, PE> invoker; 034 035 protected AbstractChildProxyFactory(P parentProxy, ProxyFactory<Z, D, P, PE> parent, Invoker<Z, D, P, T, PE> invoker, Map<D, T> map, Class<E> exceptionClass) 036 { 037 super(parent.getDatabaseCluster(), map, exceptionClass); 038 this.parentProxy = parentProxy; 039 this.invoker = invoker; 040 this.parent = parent; 041 this.parent.addChild(this); 042 } 043 044 @Override 045 protected T create(D database) throws PE 046 { 047 return this.invoker.invoke(database, this.parent.get(database)); 048 } 049 050 @Override 051 public P getParentProxy() 052 { 053 return this.parentProxy; 054 } 055 056 @Override 057 public ProxyFactory<Z, D, P, PE> getParent() 058 { 059 return this.parent; 060 } 061 062 @Override 063 public void remove() 064 { 065 this.parent.removeChild(this); 066 } 067 068 @Override 069 public synchronized void close(D database) 070 { 071 for (ChildProxyFactory<Z, D, T, E, ?, ? extends Exception> child: this.children()) 072 { 073 child.close(database); 074 } 075 076 T object = this.remove(database); 077 078 if (object != null) 079 { 080 this.close(database, object); 081 } 082 } 083}