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1   /*
2    * Copyright 2015 The Netty Project
3    *
4    * The Netty Project licenses this file to you under the Apache License,
5    * version 2.0 (the "License"); you may not use this file except in compliance
6    * with the License. You may obtain a copy of the License at:
7    *
8    *   http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13   * License for the specific language governing permissions and limitations
14   * under the License.
15   */
16  package io.netty.buffer;
17  
18  /**
19   * A special {@link SlicedByteBuf} that can make optimizations because it knows the sliced buffer is of type
20   * {@link AbstractByteBuf}.
21   */
22  final class SlicedAbstractByteBuf extends SlicedByteBuf {
23  
24      SlicedAbstractByteBuf(AbstractByteBuf buffer, int index, int length) {
25          super(buffer, index, length);
26      }
27  
28      @Override
29      public AbstractByteBuf unwrap() {
30          return (AbstractByteBuf) super.unwrap();
31      }
32  
33      @Override
34      protected byte _getByte(int index) {
35          return unwrap()._getByte(idx(index));
36      }
37  
38      @Override
39      protected short _getShort(int index) {
40          return unwrap()._getShort(idx(index));
41      }
42  
43      @Override
44      protected int _getUnsignedMedium(int index) {
45          return unwrap()._getUnsignedMedium(idx(index));
46      }
47  
48      @Override
49      protected int _getInt(int index) {
50          return unwrap()._getInt(idx(index));
51      }
52  
53      @Override
54      protected long _getLong(int index) {
55          return unwrap()._getLong(idx(index));
56      }
57  
58      @Override
59      protected void _setByte(int index, int value) {
60          unwrap()._setByte(idx(index), value);
61      }
62  
63      @Override
64      protected void _setShort(int index, int value) {
65          unwrap()._setShort(idx(index), value);
66      }
67  
68      @Override
69      protected void _setMedium(int index, int value) {
70          unwrap()._setMedium(idx(index), value);
71      }
72  
73      @Override
74      protected void _setInt(int index, int value) {
75          unwrap()._setInt(idx(index), value);
76      }
77  
78      @Override
79      protected void _setLong(int index, long value) {
80          unwrap()._setLong(idx(index), value);
81      }
82  
83  }