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}