/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.alibaba.jstorm.callback.impl;
import com.alibaba.jstorm.daemon.nimbus.NimbusData;
import com.alibaba.jstorm.daemon.nimbus.StatusType;
import com.alibaba.jstorm.daemon.nimbus.metric.assignment.KillTopologyEvent;
/**
* The action when nimbus receives a killed command.
* 1. change current topology status to killed
* 2. wait for timeout seconds, do remove action, which removes topology from ZK
*
* @author Longda
*/
public class KillTransitionCallback extends DelayStatusTransitionCallback {
public KillTransitionCallback(NimbusData data, String topologyId) {
super(data, topologyId, null, StatusType.killed, StatusType.remove);
}
@Override
public <T> Object execute(T... args) {
KillTopologyEvent.pushEvent(topologyId);
return super.execute(args);
}
}