sqlconnectionmanager.java

Mandarax是一个规则引擎的纯Java实现。它支持多类型的事实和基于反映的规则

/*
 * Copyright (C) 2003 <a href="mailto:[e-mail]">Jochen Hiller</a>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package org.mandarax.sql;

import java.sql.Connection;
import java.sql.SQLException;

import javax.sql.DataSource;

/**
 * A SQLConnectionManager defines the interface between the
 * Mandarax SQL package and the connection handling with an SQL database.
 * 
 * There will be a default implementation, which is able to handle 
 * standard SQL connections or handling via the J2EE compliant data sources.
 * 
 * @see DefaultConnectionManager
 * @see java.sql.Connection
 * @see javax.sql.DataSource
 * 
 * @todo add support for setting user/password
 * 
 * @author <a href="mailto:[e-mail]">Jochen Hiller</a>
 * @version 3.4 <7 March 05>
 * @since 2.2
 */
public interface SQLConnectionManager {

	/**
	 * Gets a data source from the connection manager.
	 * 
	 * @return a data source 
	 */
	public DataSource getDataSource();
	 
	/**
	 * Releases a connection, give it back to connection manager.
	 * 
	 * It is in responsiblity of the implementation,
	 * whether the connection will be reused as part of a
	 * connection pool
	 */
	public void releaseConnection (Connection con) throws SQLException;
}