001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.master.balancer.replicas;
019
020import java.util.Arrays;
021import org.apache.commons.lang3.builder.HashCodeBuilder;
022import org.apache.hadoop.hbase.TableName;
023import org.apache.hadoop.hbase.client.RegionInfo;
024import org.apache.yetus.audience.InterfaceAudience;
025
026@InterfaceAudience.Private
027public final class ReplicaKey {
028  private final TableName tableName;
029  private final byte[] start;
030  private final byte[] stop;
031
032  public ReplicaKey(RegionInfo regionInfo) {
033    this.tableName = regionInfo.getTable();
034    this.start = regionInfo.getStartKey();
035    this.stop = regionInfo.getEndKey();
036  }
037
038  @Override
039  public boolean equals(Object o) {
040    if (this == o) {
041      return true;
042    }
043    if (!(o instanceof ReplicaKey)) {
044      return false;
045    }
046    ReplicaKey other = (ReplicaKey) o;
047    return Arrays.equals(this.start, other.start) && Arrays.equals(this.stop, other.stop)
048      && this.tableName.equals(other.tableName);
049  }
050
051  @Override
052  public int hashCode() {
053    return new HashCodeBuilder().append(tableName).append(start).append(stop).toHashCode();
054  }
055}