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/*
 * Copyright (c) 2016 Uber Technologies, Inc. ([email protected])
 *
 * 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.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.uber.hoodie.common.model;

import com.google.common.base.Objects;
import java.io.Serializable;

/**
 * HoodieKey consists of
 *
 * - recordKey     : a recordKey that acts as primary key for a record - partitionPath : path to the
 * partition that contains the record
 */
public class HoodieKey implements Serializable {


  private final String recordKey;

  private final String partitionPath;

  public HoodieKey(String recordKey, String partitionPath) {
    this.recordKey = recordKey;
    this.partitionPath = partitionPath;
  }

  public String getRecordKey() {
    return recordKey;
  }

  public String getPartitionPath() {
    return partitionPath;
  }

  @Override
  public boolean equals(Object o) {
    if (this == o) {
      return true;
    }
    if (o == null || getClass() != o.getClass()) {
      return false;
    }
    HoodieKey otherKey = (HoodieKey) o;
    return Objects.equal(recordKey, otherKey.recordKey) &&
        Objects.equal(partitionPath, otherKey.partitionPath);
  }

  @Override
  public int hashCode() {
    return Objects.hashCode(recordKey, partitionPath);
  }

  @Override
  public String toString() {
    final StringBuilder sb = new StringBuilder("HoodieKey {");
    sb.append(" recordKey=").append(recordKey);
    sb.append(" partitionPath=").append(partitionPath);
    sb.append('}');
    return sb.toString();
  }
}