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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.deploy;

import com.tencent.angel.common.Id;
import org.apache.hadoop.yarn.event.AbstractEvent;

/**
 * Base class of container launcher event.
 */
public abstract class ContainerLauncherEvent extends AbstractEvent {
  /**
   * the task the container is allocated to
   */
  private final Id id;

  /**
   * Create a container launch event
   *
   * @param type event type
   * @param id   task id
   */
  public ContainerLauncherEvent(ContainerLauncherEventType type, Id id) {
    super(type);
    this.id = id;
  }

  /**
   * Get task id
   *
   * @return task id
   */
  public Id getId() {
    return id;
  }

  @Override public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + ((id == null) ? 0 : id.hashCode());
    return result;
  }

  @Override public boolean equals(Object obj) {
    if (this == obj)
      return true;
    if (obj == null)
      return false;
    if (getClass() != obj.getClass())
      return false;
    ContainerLauncherEvent other = (ContainerLauncherEvent) obj;
    if (id == null) {
      if (other.id != null)
        return false;
    } else if (!id.equals(other.id))
      return false;
    return true;
  }

  @Override public String toString() {
    return "ContainerLauncherEvent [id=" + id + "]";
  }

}