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.yetus.audience.InterfaceAudience; 026 027/** 028 * This class is an extension to ContentSizeCachedKeyValue where there are no tags in Cell. 029 * Note: Please do not use these objects in write path as it will increase the heap space usage. 030 * See https://issues.apache.org/jira/browse/HBASE-13448 031 */ 032@InterfaceAudience.Private 033public class SizeCachedNoTagsKeyValue extends SizeCachedKeyValue { 034 035 public SizeCachedNoTagsKeyValue(byte[] bytes, int offset, int length, long seqId) { 036 super(bytes, offset, length, seqId); 037 } 038 039 @Override 040 public int getTagsLength() { 041 return 0; 042 } 043 044 @Override 045 public int write(OutputStream out, boolean withTags) throws IOException { 046 out.write(this.bytes, this.offset, this.length); 047 return this.length; 048 } 049 050 @Override 051 public int getSerializedSize(boolean withTags) { 052 return this.length; 053 } 054}