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1   /**
2    * Copyright 2010 The Apache Software Foundation
3    *
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *     http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing, software
15   * distributed under the License is distributed on an "AS IS" BASIS,
16   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17   * See the License for the specific language governing permissions and
18   * limitations under the License.
19   */
20  
21  package org.apache.hadoop.hbase.client;
22  
23  import org.apache.hadoop.hbase.HColumnDescriptor;
24  import org.apache.hadoop.hbase.io.hfile.Compression;
25  
26  /**
27   * Immutable HColumnDescriptor
28   */
29  public class UnmodifyableHColumnDescriptor extends HColumnDescriptor {
30  
31    /**
32     * @param desc wrapped
33     */
34    public UnmodifyableHColumnDescriptor (final HColumnDescriptor desc) {
35      super(desc);
36    }
37  
38    /**
39     * @see org.apache.hadoop.hbase.HColumnDescriptor#setValue(byte[], byte[])
40     */
41    @Override
42    public HColumnDescriptor setValue(byte[] key, byte[] value) {
43      throw new UnsupportedOperationException("HColumnDescriptor is read-only");
44    }
45  
46    /**
47     * @see org.apache.hadoop.hbase.HColumnDescriptor#setValue(java.lang.String, java.lang.String)
48     */
49    @Override
50    public HColumnDescriptor setValue(String key, String value) {
51      throw new UnsupportedOperationException("HColumnDescriptor is read-only");
52    }
53  
54    /**
55     * @see org.apache.hadoop.hbase.HColumnDescriptor#setMaxVersions(int)
56     */
57    @Override
58    public HColumnDescriptor setMaxVersions(int maxVersions) {
59      throw new UnsupportedOperationException("HColumnDescriptor is read-only");
60    }
61  
62    /**
63     * @see org.apache.hadoop.hbase.HColumnDescriptor#setInMemory(boolean)
64     */
65    @Override
66    public HColumnDescriptor setInMemory(boolean inMemory) {
67      throw new UnsupportedOperationException("HColumnDescriptor is read-only");
68    }
69  
70    /**
71     * @see org.apache.hadoop.hbase.HColumnDescriptor#setBlockCacheEnabled(boolean)
72     */
73    @Override
74    public HColumnDescriptor setBlockCacheEnabled(boolean blockCacheEnabled) {
75      throw new UnsupportedOperationException("HColumnDescriptor is read-only");
76    }
77  
78    /**
79     * @see org.apache.hadoop.hbase.HColumnDescriptor#setTimeToLive(int)
80     */
81    @Override
82    public HColumnDescriptor setTimeToLive(int timeToLive) {
83      throw new UnsupportedOperationException("HColumnDescriptor is read-only");
84    }
85  
86    /**
87     * @see org.apache.hadoop.hbase.HColumnDescriptor#setCompressionType(org.apache.hadoop.hbase.io.hfile.Compression.Algorithm)
88     */
89    @Override
90    public HColumnDescriptor setCompressionType(Compression.Algorithm type) {
91      throw new UnsupportedOperationException("HColumnDescriptor is read-only");
92    }
93  }