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/*
Copyright (c) 2007, 2014, Oracle and/or its affiliates. All rights reserved.
The MySQL Connector/J is licensed under the terms of the GPLv2
<http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most MySQL Connectors.
There are special exceptions to the terms and conditions of the GPLv2 as it is applied to
this software, see the FOSS License Exception
<http://www.mysql.com/about/legal/licensing/foss-exception.html>.
This program is free software; you can redistribute it and/or modify it under the terms
of the GNU General Public License as published by the Free Software Foundation; version 2
of the License.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License along with this
program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth
Floor, Boston, MA 02110-1301 USA
*/
package com.mysql.jdbc;
import java.sql.SQLException;
import java.sql.Savepoint;
/**
* Implementors of this interface can be installed via the "connectionLifecycleInterceptors" configuration property and receive events and alter behavior of
* "lifecycle" methods on our connection implementation.
*
* The driver will create one instance of a given interceptor per-connection.
*/
public interface ConnectionLifecycleInterceptor extends Extension {
/**
* Called when an application calls Connection.close(), before the driver
* processes its own internal logic for close.
*
* @throws SQLException
*/
public abstract void close() throws SQLException;
/**
* Called when an application calls Connection.commit(), before the
* driver processes its own internal logic for commit().
*
* Interceptors should return "true" if the driver should perform
* its own internal logic for commit(), or "false" if not.
*
* @return "true" if the driver should perform
* its own internal logic for commit(), or "false" if not.
*
* @throws SQLException
* if an error occurs
*/
public abstract boolean commit() throws SQLException;
/**
* Called when an application calls Connection.rollback(), before the
* driver processes its own internal logic for rollback().
*
* Interceptors should return "true" if the driver should perform
* its own internal logic for rollback(), or "false" if not.
*
* @return "true" if the driver should perform
* its own internal logic for rollback(), or "false" if not.
*
* @throws SQLException
* if an error occurs
*/
public abstract boolean rollback() throws SQLException;
/**
* Called when an application calls Connection.rollback(), before the
* driver processes its own internal logic for rollback().
*
* Interceptors should return "true" if the driver should perform
* its own internal logic for rollback(), or "false" if not.
*
* @return "true" if the driver should perform
* its own internal logic for rollback(), or "false" if not.
*
* @throws SQLException
* if an error occurs
*/
public abstract boolean rollback(Savepoint s) throws SQLException;
/**
* Called when an application calls Connection.setAutoCommit(), before the
* driver processes its own internal logic for setAutoCommit().
*
* Interceptors should return "true" if the driver should perform
* its own internal logic for setAutoCommit(), or "false" if not.
*
* @return "true" if the driver should perform
* its own internal logic for setAutoCommit(), or "false" if not.
*
* @throws SQLException
* if an error occurs
*/
public abstract boolean setAutoCommit(boolean flag) throws SQLException;
/**
* Called when an application calls Connection.setCatalog(), before the
* driver processes its own internal logic for setCatalog().
*
* Interceptors should return "true" if the driver should perform
* its own internal logic for setCatalog(), or "false" if not.
*
* @return "true" if the driver should perform
* its own internal logic for setCatalog(), or "false" if not.
*
* @throws SQLException
* if an error occurs
*/
public abstract boolean setCatalog(String catalog) throws SQLException;
/**
* Called when the driver has been told by the server that a transaction
* is now in progress (when one has not been currently in progress).
*/
public abstract boolean transactionBegun() throws SQLException;
/**
* Called when the driver has been told by the server that a transaction
* has completed, and no transaction is currently in progress.
*/
public abstract boolean transactionCompleted() throws SQLException;
}