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/*
 * Copyright (C) 2014-2016 LinkedIn Corp. 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  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.
 */

package gobblin.hive;

import com.google.common.base.Optional;


/**
 * An extension to {@link HiveRegistrationUnitComparator} for {@link HivePartition}s.
 *
 * @author Ziyang Liu
 */
public class HivePartitionComparator> extends HiveRegistrationUnitComparator {

  public HivePartitionComparator(HivePartition existingPartition, HivePartition newPartition) {
    super(existingPartition, newPartition);
  }

  @SuppressWarnings("unchecked")
  public T compareValues() {
    if (!this.result) {
      compare(Optional.of(((HivePartition) this.existingUnit).getValues()),
          Optional.of(((HivePartition) this.newUnit).getValues()));
    }
    return (T) this;
  }

  @SuppressWarnings("unchecked")
  @Override
  public T compareAll() {
    super.compareAll().compareValues();
    return (T) this;
  }

}