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}