001/*
002 * HA-JDBC: High-Availability JDBC
003 * Copyright (c) 2004-2007 Paul Ferraro
004 * 
005 * This library is free software; you can redistribute it and/or modify it 
006 * under the terms of the GNU Lesser General Public License as published by the 
007 * Free Software Foundation; either version 2.1 of the License, or (at your 
008 * option) any later version.
009 * 
010 * This library is distributed in the hope that it will be useful, but WITHOUT
011 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 
012 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License 
013 * for more details.
014 * 
015 * You should have received a copy of the GNU Lesser General Public License
016 * along with this library; if not, write to the Free Software Foundation, 
017 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
018 * 
019 * Contact: ferraro@users.sourceforge.net
020 */
021package net.sf.hajdbc.sql;
022
023import java.sql.SQLException;
024import java.util.TreeMap;
025
026import net.sf.hajdbc.Database;
027import net.sf.hajdbc.DatabaseCluster;
028
029/**
030 * @author Paul Ferraro
031 * @param <D> 
032 */
033public abstract class AbstractRootInvocationHandler<D> extends AbstractInvocationHandler<D, D>
034{
035        /**
036         * Constructs a new AbstractRootInvocationHandler.
037         * @param databaseCluster
038         * @param proxyClass
039         */
040        protected AbstractRootInvocationHandler(DatabaseCluster<D> databaseCluster, Class<D> proxyClass)
041        {
042                super(databaseCluster, proxyClass, new TreeMap<Database<D>, D>());
043                
044                for (Database<D> database: databaseCluster.getBalancer().all())
045                {
046                        this.getObject(database);
047                }
048        }
049
050        /**
051         * @see net.sf.hajdbc.sql.AbstractInvocationHandler#close(net.sf.hajdbc.Database, java.lang.Object)
052         */
053        @Override
054        protected void close(Database<D> database, D object)
055        {
056                // Nothing to close
057        }
058
059        /**
060         * @see net.sf.hajdbc.sql.AbstractInvocationHandler#createObject(net.sf.hajdbc.Database)
061         */
062        @Override
063        protected D createObject(Database<D> database) throws SQLException
064        {
065                return database.createConnectionFactory();
066        }
067
068        /**
069         * @see net.sf.hajdbc.sql.SQLProxy#getRoot()
070         */
071        @Override
072        public SQLProxy<D, ?> getRoot()
073        {
074                return this;
075        }
076}