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JDBC Type 4 driver for MySQL
/*
* Copyright (c) 2002, 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.log;
import com.mysql.cj.Session;
import com.mysql.cj.conf.PropertyDefinitions;
import com.mysql.cj.util.Util;
public class ProfilerEventHandlerFactory {
/**
* Returns the ProfilerEventHandler that handles profiler events for the given session.
*
* @param sess
* the session to handle events for
* @return the {@link ProfilerEventHandler} that handles profiler events
*/
public static synchronized ProfilerEventHandler getInstance(Session sess) {
ProfilerEventHandler handler = sess.getProfilerEventHandler();
if (handler == null) {
handler = (ProfilerEventHandler) Util.getInstance(
sess.getPropertySet().getStringReadableProperty(PropertyDefinitions.PNAME_profilerEventHandler).getStringValue(), new Class[0],
new Object[0], sess.getExceptionInterceptor());
handler.init(sess.getLog());
sess.setProfilerEventHandler(handler);
}
return handler;
}
public static synchronized void removeInstance(Session sess) {
ProfilerEventHandler handler = sess.getProfilerEventHandler();
if (handler != null) {
handler.destroy();
}
}
}