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; 022 023import java.sql.Connection; 024import java.sql.SQLException; 025 026/** 027 * Interface for retrieving pre-processed, cached, database meta data. 028 * 029 * @author Paul Ferraro 030 * @since 2.0 031 */ 032public interface DatabaseMetaDataCache 033{ 034 /** 035 * Flushes this cache. 036 * @throws SQLException if flush fails 037 */ 038 public void flush() throws SQLException; 039 040 /** 041 * Retrieves processed meta data for this database. 042 * @return a DatabaseProperties implementation 043 * @throws SQLException if database properties could not be fetched. 044 */ 045 public DatabaseProperties getDatabaseProperties(Connection connection) throws SQLException; 046}