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1   /*
2    * Copyright 2013 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    *   https://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  
17  package io.netty.buffer;
18  
19  import java.nio.ByteBuffer;
20  
21  /**
22   * Abstract base class for {@link ByteBuf} implementations that wrap another
23   * {@link ByteBuf}.
24   *
25   * @deprecated Do not use.
26   */
27  @Deprecated
28  public abstract class AbstractDerivedByteBuf extends AbstractByteBuf {
29  
30      protected AbstractDerivedByteBuf(int maxCapacity) {
31          super(maxCapacity);
32      }
33  
34      @Override
35      final boolean isAccessible() {
36          return isAccessible0();
37      }
38  
39      boolean isAccessible0() {
40          return unwrap().isAccessible();
41      }
42  
43      @Override
44      public final int refCnt() {
45          return refCnt0();
46      }
47  
48      int refCnt0() {
49          return unwrap().refCnt();
50      }
51  
52      @Override
53      public final ByteBuf retain() {
54          return retain0();
55      }
56  
57      ByteBuf retain0() {
58          unwrap().retain();
59          return this;
60      }
61  
62      @Override
63      public final ByteBuf retain(int increment) {
64          return retain0(increment);
65      }
66  
67      ByteBuf retain0(int increment) {
68          unwrap().retain(increment);
69          return this;
70      }
71  
72      @Override
73      public final ByteBuf touch() {
74          return touch0();
75      }
76  
77      ByteBuf touch0() {
78          unwrap().touch();
79          return this;
80      }
81  
82      @Override
83      public final ByteBuf touch(Object hint) {
84          return touch0(hint);
85      }
86  
87      ByteBuf touch0(Object hint) {
88          unwrap().touch(hint);
89          return this;
90      }
91  
92      @Override
93      public final boolean release() {
94          return release0();
95      }
96  
97      boolean release0() {
98          return unwrap().release();
99      }
100 
101     @Override
102     public final boolean release(int decrement) {
103         return release0(decrement);
104     }
105 
106     boolean release0(int decrement) {
107         return unwrap().release(decrement);
108     }
109 
110     @Override
111     public boolean isReadOnly() {
112         return unwrap().isReadOnly();
113     }
114 
115     @Override
116     public ByteBuffer internalNioBuffer(int index, int length) {
117         return nioBuffer(index, length);
118     }
119 
120     @Override
121     public ByteBuffer nioBuffer(int index, int length) {
122         return unwrap().nioBuffer(index, length);
123     }
124 
125     @Override
126     public boolean isContiguous() {
127         return unwrap().isContiguous();
128     }
129 }