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.util;
019
020import org.apache.yetus.audience.InterfaceAudience;
021
022@InterfaceAudience.Private
023public class ByteArrayHashKey extends HashKey<byte[]> {
024
025  private final int offset;
026  private final int length;
027
028  public ByteArrayHashKey(byte[] t, int offset, int length) {
029    super(t);
030    this.offset = offset;
031    this.length = length;
032  }
033
034  @Override
035  public byte get(int pos) {
036    return t[getAbsolutePos(pos)];
037  }
038
039  private int getAbsolutePos(int pos) {
040    return this.offset + pos;
041  }
042
043  @Override
044  public int length() {
045    return this.length;
046  }
047}