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Common functionality for HBase

There is a newer version: 2.2.4_1

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.hadoop.hbase.util;

import org.apache.yetus.audience.InterfaceAudience;

@InterfaceAudience.Private
public class ByteArrayHashKey extends HashKey {

  private final int offset;
  private final int length;

  public ByteArrayHashKey(byte[] t, int offset, int length) {
    super(t);
    this.offset = offset;
    this.length = length;
  }

  @Override
  public byte get(int pos) {
    return t[getAbsolutePos(pos)];
  }

  private int getAbsolutePos(int pos) {
    return this.offset + pos;
  }

  @Override
  public int length() {
    return this.length;
  }
}