001/** 002 * Copyright The Apache Software Foundation 003 * 004 * Licensed to the Apache Software Foundation (ASF) under one 005 * or more contributor license agreements. See the NOTICE file 006 * distributed with this work for additional information 007 * regarding copyright ownership. The ASF licenses this file 008 * to you under the Apache License, Version 2.0 (the 009 * "License"); you may not use this file except in compliance 010 * with the License. You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, software 015 * distributed under the License is distributed on an "AS IS" BASIS, 016 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 017 * See the License for the specific language governing permissions and 018 * limitations under the License. 019 */ 020package org.apache.hadoop.hbase; 021 022import java.io.IOException; 023import java.io.OutputStream; 024 025import org.apache.hadoop.hbase.util.Bytes; 026import org.apache.yetus.audience.InterfaceAudience; 027 028/** 029 * An extension of the KeyValue where the tags length is always 0 030 */ 031@InterfaceAudience.Private 032public class NoTagsKeyValue extends KeyValue { 033 public NoTagsKeyValue(byte[] bytes, int offset, int length) { 034 super(bytes, offset, length); 035 } 036 037 @Override 038 public int getTagsLength() { 039 return 0; 040 } 041 042 @Override 043 public int write(OutputStream out, boolean withTags) throws IOException { 044 out.write(this.bytes, this.offset, this.length); 045 return this.length; 046 } 047 048 @Override 049 public int getSerializedSize(boolean withTags) { 050 return this.length; 051 } 052 053 @Override 054 public ExtendedCell deepClone() { 055 byte[] copy = Bytes.copy(this.bytes, this.offset, this.length); 056 KeyValue kv = new NoTagsKeyValue(copy, 0, copy.length); 057 kv.setSequenceId(this.getSequenceId()); 058 return kv; 059 } 060}