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.sql.SQLException;
021import java.util.TreeMap;
022
023import net.sf.hajdbc.Database;
024import net.sf.hajdbc.DatabaseCluster;
025import net.sf.hajdbc.DatabaseClusterListener;
026import net.sf.hajdbc.state.DatabaseEvent;
027
028/**
029 * 
030 * @author Paul Ferraro
031 */
032public abstract class AbstractRootProxyFactory<Z, D extends Database<Z>> extends AbstractProxyFactory<Z, D, SQLException, Z, SQLException> implements RootProxyFactory<Z, D>, DatabaseClusterListener
033{
034        protected AbstractRootProxyFactory(DatabaseCluster<Z, D> cluster)
035        {
036                super(cluster, new TreeMap<D, Z>(), SQLException.class);
037                
038                for (D database: cluster.getBalancer())
039                {
040                        this.get(database);
041                }
042                
043                cluster.addListener(this);
044        }
045
046        @Override
047        protected Z create(D database)
048        {
049                return database.getConnectionSource();
050        }
051
052        @Override
053        public void activated(DatabaseEvent event)
054        {
055                // Do nothing
056        }
057
058        @Override
059        public synchronized void deactivated(DatabaseEvent event)
060        {
061                D database = this.getDatabaseCluster().getDatabase(event.getSource());
062                
063                for (ChildProxyFactory<Z, D, Z, SQLException, ?, ? extends Exception> child: this.children())
064                {
065                        child.close(database);
066                }
067        }
068}