/**
 * 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 org.apache.hadoop.yarn.server.resourcemanager.rmapp;

import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.NodeUpdateType;
import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode;

public class RMAppNodeUpdateEvent extends RMAppEvent {

  public enum RMAppNodeUpdateType {
    NODE_USABLE, 
    NODE_UNUSABLE,
    NODE_DECOMMISSIONING;

    public static NodeUpdateType convertToNodeUpdateType(
        RMAppNodeUpdateType rmAppNodeUpdateType) {
      return NodeUpdateType.valueOf(rmAppNodeUpdateType.name());
    }
  }

  private final RMNode node;
  private final RMAppNodeUpdateType updateType;

  public RMAppNodeUpdateEvent(ApplicationId appId, RMNode node,
      RMAppNodeUpdateType updateType) {
    super(appId, RMAppEventType.NODE_UPDATE);
    this.node = node;
    this.updateType = updateType;
  }

  public RMNode getNode() {
    return node;
  }

  public RMAppNodeUpdateType getUpdateType() {
    return updateType;
  }

}