/**
* 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.cluster.StormStatus;
import com.alibaba.jstorm.daemon.nimbus.NimbusData;
import com.alibaba.jstorm.daemon.nimbus.StatusType;
/**
* The action when nimbus receives rebalance command.
* Rebalance command is only valid when current status is active
*
* 1. change current topology status to rebalancing
* 2. do_rebalance action after 2 * timeout seconds
*
* @author Lixin/Longda
*/
public class RebalanceTransitionCallback extends DelayStatusTransitionCallback {
public RebalanceTransitionCallback(NimbusData data, String topologyId, StormStatus status) {
super(data, topologyId, status, StatusType.rebalancing, StatusType.do_rebalance);
}
}