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}