/*
* Copyright 2014 dc-square GmbH
*
* 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 com.hivemq.spi.callback.events.broker;
import com.hivemq.spi.callback.SynchronousCallback;
/**
* This callback gets executed when the broker shuts down.
* At the time this callback gets executed, all connections are already closed
* and there is no way to prevent HiveMQ from shutting down.
* <p/>
* It is recommended to do <b>blocking actions</b> in this callback because the VM
* could quit before your asynchronous actions are finished
*
* @author Dominik Obermaier
* @since 1.4
*/
public interface OnBrokerStop extends SynchronousCallback {
/**
* Called when the broker shuts down
* <p/>
* You can use blocking actions in this callback.
*/
void onBrokerStop();
}