org.springframework.jdbc.datasource.ConnectionProxy Maven / Gradle / Ivy
/*
* Copyright 2002-2017 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
*
* https://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;
/**
* Subinterface of {@link java.sql.Connection} to be implemented by
* Connection proxies. Allows access to the underlying target Connection.
*
* This interface can be checked when there is a need to cast to a
* native JDBC Connection such as Oracle's OracleConnection. Alternatively,
* all such connections also support JDBC 4.0's {@link Connection#unwrap}.
*
* @author Juergen Hoeller
* @since 1.1
* @see TransactionAwareDataSourceProxy
* @see LazyConnectionDataSourceProxy
* @see DataSourceUtils#getTargetConnection(java.sql.Connection)
*/
public interface ConnectionProxy extends Connection {
/**
* Return the target Connection of this proxy.
*
This will typically be the native driver Connection
* or a wrapper from a connection pool.
* @return the underlying Connection (never {@code null})
*/
Connection getTargetConnection();
}