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.cache.lazy;
019
020import java.sql.Connection;
021import java.sql.DatabaseMetaData;
022import java.sql.SQLException;
023
024import net.sf.hajdbc.cache.DatabaseMetaDataProvider;
025
026/**
027 * @author Paul Ferraro
028 *
029 */
030public class LazyDatabaseMetaDataProvider implements DatabaseMetaDataProvider
031{
032        private final ThreadLocal<Connection> threadLocal = new ThreadLocal<Connection>();
033        
034        public LazyDatabaseMetaDataProvider(DatabaseMetaData metaData) throws SQLException
035        {
036                this.setConnection(metaData.getConnection());
037        }
038        
039        public void setConnection(Connection connection)
040        {
041                this.threadLocal.set(connection);
042        }
043        
044        /**
045         * @see net.sf.hajdbc.cache.DatabaseMetaDataProvider#getDatabaseMetaData()
046         */
047        @Override
048        public DatabaseMetaData getDatabaseMetaData() throws SQLException
049        {
050                return this.threadLocal.get().getMetaData();
051        }
052}