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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.ps.ha;

import com.tencent.angel.PartitionKey;
import com.tencent.angel.ps.server.data.PSLocation;

/**
 * Recover partition information
 */
public class RecoverPartKey {
  /**
   * Matrix id
   */
  public final PartitionKey partKey;

  /**
   * Need recover slave ps
   */
  public final PSLocation psLoc;

  /**
   * Create RecoverPartKey
   *
   * @param partKey Matrix partition key
   * @param psLoc   PS location
   */
  public RecoverPartKey(PartitionKey partKey, PSLocation psLoc) {
    this.partKey = partKey;
    this.psLoc = psLoc;
  }

  @Override public boolean equals(Object o) {
    if (this == o)
      return true;
    if (o == null || getClass() != o.getClass())
      return false;

    RecoverPartKey that = (RecoverPartKey) o;

    if (partKey != null ? !partKey.equals(that.partKey) : that.partKey != null)
      return false;
    return psLoc != null ? psLoc.equals(that.psLoc) : that.psLoc == null;
  }

  @Override public int hashCode() {
    int result = partKey != null ? partKey.hashCode() : 0;
    result = 31 * result + (psLoc != null ? psLoc.hashCode() : 0);
    return result;
  }
}