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}