/*
 * Copyright 2002-2012 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.jdbc.datasource;

import java.sql.Connection;
import javax.sql.DataSource;

Extension of the javax.sql.DataSource interface, to be implemented by special DataSources that return JDBC Connections in an unwrapped fashion. 
Classes using this interface can query whether or not the Connection
should be closed after an operation. Spring's DataSourceUtils and
JdbcTemplate classes automatically perform such a check.
Author:
Rod Johnson, Juergen Hoeller
See Also:
SingleConnectionDataSource.shouldClose
DataSourceUtils.releaseConnection
JdbcTemplate/**
 * Extension of the {@code javax.sql.DataSource} interface, to be
 * implemented by special DataSources that return JDBC Connections
 * in an unwrapped fashion.
 *
 * <p>Classes using this interface can query whether or not the Connection
 * should be closed after an operation. Spring's DataSourceUtils and
 * JdbcTemplate classes automatically perform such a check.
 *
 * @author Rod Johnson
 * @author Juergen Hoeller
 * @see SingleConnectionDataSource#shouldClose
 * @see DataSourceUtils#releaseConnection
 * @see org.springframework.jdbc.core.JdbcTemplate
 */
public interface SmartDataSource extends DataSource {

	
Should we close this Connection, obtained from this DataSource?
Code that uses Connections from a SmartDataSource should always perform a check via this method before invoking close(). 
Note that the JdbcTemplate class in the 'jdbc.core' package takes care of
releasing JDBC Connections, freeing application code of this responsibility.
Params:
con – the Connection to check
See Also:
Connection.close()
Returns:
whether the given Connection should be closed/**
	 * Should we close this Connection, obtained from this DataSource?
	 * <p>Code that uses Connections from a SmartDataSource should always
	 * perform a check via this method before invoking {@code close()}.
	 * <p>Note that the JdbcTemplate class in the 'jdbc.core' package takes care of
	 * releasing JDBC Connections, freeing application code of this responsibility.
	 * @param con the Connection to check
	 * @return whether the given Connection should be closed
	 * @see java.sql.Connection#close()
	 */
	boolean shouldClose(Connection con);

}