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}