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.regionserver; 019 020import java.nio.ByteBuffer; 021 022import org.apache.hadoop.hbase.NoTagsByteBufferKeyValue; 023import org.apache.yetus.audience.InterfaceAudience; 024import org.apache.hadoop.hbase.util.ByteBufferUtils; 025 026 027/** 028 * ByteBuffer based cell which has the chunkid at the 0th offset and with no tags 029 * @see MemStoreLAB 030 */ 031@InterfaceAudience.Private 032public class NoTagByteBufferChunkKeyValue extends NoTagsByteBufferKeyValue { 033 034 public NoTagByteBufferChunkKeyValue(ByteBuffer buf, int offset, int length) { 035 super(buf, offset, length); 036 } 037 038 public NoTagByteBufferChunkKeyValue(ByteBuffer buf, int offset, int length, long seqId) { 039 super(buf, offset, length, seqId); 040 } 041 042 @Override 043 public int getChunkId() { 044 // The chunkId is embedded at the 0th offset of the bytebuffer 045 return ByteBufferUtils.toInt(buf, 0); 046 } 047 048}