/*
* Copyright (c) 2009, 2018, Oracle and/or its affiliates. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, version 2.0, as published by the
* Free Software Foundation.
*
* This program is also distributed with certain software (including but not
* limited to OpenSSL) that is licensed under separate terms, as designated in a
* particular file or component or in included license documentation. The
* authors of MySQL hereby grant you an additional permission to link the
* program and your derivative works with the separately licensed software that
* they have included with MySQL.
*
* Without limiting anything contained in the foregoing, this file, which is
* part of MySQL Connector/J, is also subject to the Universal FOSS Exception,
* version 1.0, a copy of which can be found at
* http://oss.oracle.com/licenses/universal-foss-exception.
*
* 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, version 2.0,
* 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.cj;
import java.util.
Properties;
import java.util.function.
Supplier;
import com.mysql.cj.interceptors.
QueryInterceptor;
import com.mysql.cj.log.
Log;
import com.mysql.cj.protocol.
Message;
import com.mysql.cj.protocol.
Resultset;
import com.mysql.cj.protocol.
ServerSession;
/**
* Wraps query interceptors during driver startup so that they don't produce different result sets than we expect.
*/
public class
NoSubInterceptorWrapper implements
QueryInterceptor {
private final
QueryInterceptor underlyingInterceptor;
public
NoSubInterceptorWrapper(
QueryInterceptor underlyingInterceptor) {
if (
underlyingInterceptor == null) {
throw new
RuntimeException(
Messages.
getString("NoSubInterceptorWrapper.0"));
}
this.
underlyingInterceptor =
underlyingInterceptor;
}
public void
destroy() {
this.
underlyingInterceptor.
destroy();
}
public boolean
executeTopLevelOnly() {
return this.
underlyingInterceptor.
executeTopLevelOnly();
}
public
QueryInterceptor init(
MysqlConnection conn,
Properties props,
Log log) {
this.
underlyingInterceptor.
init(
conn,
props,
log);
return this;
}
public <T extends
Resultset> T
postProcess(
Supplier<
String>
sql,
Query interceptedQuery, T
originalResultSet,
ServerSession serverSession) {
this.
underlyingInterceptor.
postProcess(
sql,
interceptedQuery,
originalResultSet,
serverSession);
return null; // don't allow result set substitution
}
public <T extends
Resultset> T
preProcess(
Supplier<
String>
sql,
Query interceptedQuery) {
this.
underlyingInterceptor.
preProcess(
sql,
interceptedQuery);
return null; // don't allow result set substitution
}
@
Override
public <M extends
Message> M
preProcess(M
queryPacket) {
this.
underlyingInterceptor.
preProcess(
queryPacket);
return null; // don't allow PacketPayload substitution
}
@
Override
public <M extends
Message> M
postProcess(M
queryPacket, M
originalResponsePacket) {
this.
underlyingInterceptor.
postProcess(
queryPacket,
originalResponsePacket);
return null; // don't allow PacketPayload substitution
}
public
QueryInterceptor getUnderlyingInterceptor() {
return this.
underlyingInterceptor;
}
}