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}