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; 019 020import java.io.IOException; 021import java.io.OutputStream; 022import org.apache.hadoop.hbase.util.Bytes; 023import org.apache.yetus.audience.InterfaceAudience; 024 025/** 026 * An extension of the KeyValue where the tags length is always 0 027 */ 028@InterfaceAudience.Private 029public class NoTagsKeyValue extends KeyValue { 030 public NoTagsKeyValue(byte[] bytes, int offset, int length) { 031 super(bytes, offset, length); 032 } 033 034 @Override 035 public int getTagsLength() { 036 return 0; 037 } 038 039 @Override 040 public int write(OutputStream out, boolean withTags) throws IOException { 041 out.write(this.bytes, this.offset, this.length); 042 return this.length; 043 } 044 045 @Override 046 public int getSerializedSize(boolean withTags) { 047 return this.length; 048 } 049 050 @Override 051 public ExtendedCell deepClone() { 052 byte[] copy = Bytes.copy(this.bytes, this.offset, this.length); 053 KeyValue kv = new NoTagsKeyValue(copy, 0, copy.length); 054 kv.setSequenceId(this.getSequenceId()); 055 return kv; 056 } 057}