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/*
 * Tencent is pleased to support the open source community by making Angel available.
 *
 * Copyright (C) 2017-2018 THL A29 Limited, a Tencent company. All rights reserved.
 *
 * 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
 *
 * https://opensource.org/licenses/Apache-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.tencent.angel.master.app;

import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.event.AbstractEvent;

/**
 * Application event.
 */
public class AppEvent extends AbstractEvent {
  /**
   * applicaiton id
   */
  private final ApplicationId appid;

  /**
   * Create a new AppEvent
   *
   * @param type event type
   */
  public AppEvent(AppEventType type) {
    this(null, type);
  }

  /**
   * Create a new AppEvent
   *
   * @param applicationId application id
   * @param type          event type
   */
  public AppEvent(ApplicationId applicationId, AppEventType type) {
    super(type);
    appid = applicationId;
  }

  /**
   * Get application id
   *
   * @return ApplicationId application id
   */
  public ApplicationId getAppid() {
    return appid;
  }
}