content: /**
   * 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.daemon.nimbus;
  
  /**
   * topology status:
   *
   * 1. Status: this status will be stored in ZK killed/inactive/active/rebalancing 2. action:
   *
   * monitor -- every Config.NIMBUS_MONITOR_FREQ_SECS seconds will trigger this only valid when current status is active inactivate -- client will trigger this
   * action, only valid when current status is active activate -- client will trigger this action only valid when current status is inactive startup -- when
   * nimbus startup, it will trigger this action only valid when current status is killed/rebalancing kill -- client kill topology will trigger this action, only
   * valid when current status is active/inactive/killed remove -- 30 seconds after client submit kill command, it will do this action, only valid when current
   * status is killed rebalance -- client submit rebalance command, only valid when current status is active/deactive do_rebalance -- 30 seconds after client
   * submit rebalance command, it will do this action, only valid when current status is rebalance
   */
  
  public enum StatusType {
  
      // topology status
      active("active"), inactive("inactive"), rebalancing("rebalancing"), killed("killed"),
  
      // actions
      activate("activate"), inactivate("inactivate"), monitor("monitor"), startup("startup"), kill("kill"),
      remove("remove"), rebalance("rebalance"), do_rebalance("do-rebalance"), done_rebalance("done-rebalance"),
      update_topology("update-topology"), upgrading("upgrading"), rollback("rollback");
  
      private String status;
  
      StatusType(String status) {
          this.status = status;
      }
  
      public String getStatus() {
          return status;
      }
  }
  