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;
019
020import java.util.EventListener;
021
022import net.sf.hajdbc.state.DatabaseEvent;
023
024/**
025 * Event listener for cluster events.
026 * @author Paul Ferraro
027 */
028public interface DatabaseClusterListener extends EventListener
029{
030        /**
031         * Triggered after database is successfully activated.
032         * @param event indicates the database that was activated
033         */
034        void activated(DatabaseEvent event);
035        
036        /**
037         * Triggered after database is successfully deactivated.
038         * @param event indicates the database that was deactivated
039         */
040        void deactivated(DatabaseEvent event);
041}