1 | /* |
2 | * @(#) $Id: BaseSession.java 264677 2005-08-30 02:44:35Z trustin $ |
3 | * |
4 | * Copyright 2004 The Apache Software Foundation |
5 | * |
6 | * Licensed under the Apache License, Version 2.0 (the "License"); |
7 | * you may not use this file except in compliance with the License. |
8 | * You may obtain a copy of the License at |
9 | * |
10 | * http://www.apache.org/licenses/LICENSE-2.0 |
11 | * |
12 | * Unless required by applicable law or agreed to in writing, software |
13 | * distributed under the License is distributed on an "AS IS" BASIS, |
14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
15 | * See the License for the specific language governing permissions and |
16 | * limitations under the License. |
17 | * |
18 | */ |
19 | package org.apache.mina.common; |
20 | |
21 | import java.util.HashMap; |
22 | import java.util.Map; |
23 | import java.util.Set; |
24 | |
25 | import org.apache.mina.common.IdleStatus; |
26 | import org.apache.mina.common.Session; |
27 | |
28 | /** |
29 | * Base implementation of {@link Session}. |
30 | * |
31 | * @author Trustin Lee (trustin@apache.org) |
32 | * @version $Rev: 264677 $, $Date: 2005-08-30 11:44:35 +0900 $ |
33 | */ |
34 | public abstract class BaseSession implements Session |
35 | { |
36 | private final Map attributes = new HashMap(); |
37 | |
38 | private long readBytes; |
39 | private long writtenBytes; |
40 | private long writtenWriteRequests; |
41 | |
42 | private long lastReadTime; |
43 | private long lastWriteTime; |
44 | |
45 | private boolean idleForBoth; |
46 | private boolean idleForRead; |
47 | private boolean idleForWrite; |
48 | |
49 | |
50 | protected BaseSession() |
51 | { |
52 | lastReadTime = lastWriteTime = System.currentTimeMillis(); |
53 | } |
54 | |
55 | public void close() |
56 | { |
57 | this.close( false ); |
58 | } |
59 | |
60 | public Object getAttachment() |
61 | { |
62 | return attributes.get( "" ); |
63 | } |
64 | |
65 | public Object setAttachment( Object attachment ) |
66 | { |
67 | synchronized( attributes ) |
68 | { |
69 | return attributes.put( "", attachment ); |
70 | } |
71 | } |
72 | |
73 | public Object getAttribute( String key ) |
74 | { |
75 | return attributes.get( key ); |
76 | } |
77 | |
78 | public Object setAttribute( String key, Object value ) |
79 | { |
80 | synchronized( attributes ) |
81 | { |
82 | return attributes.put( key, value ); |
83 | } |
84 | } |
85 | |
86 | public Object removeAttribute( String key ) |
87 | { |
88 | synchronized( attributes ) |
89 | { |
90 | return attributes.remove( key ); |
91 | } |
92 | } |
93 | |
94 | public Set getAttributeKeys() { |
95 | synchronized( attributes ) |
96 | { |
97 | return attributes.keySet(); |
98 | } |
99 | } |
100 | |
101 | public long getReadBytes() |
102 | { |
103 | return readBytes; |
104 | } |
105 | |
106 | public long getWrittenBytes() |
107 | { |
108 | return writtenBytes; |
109 | } |
110 | |
111 | public long getWrittenWriteRequests() |
112 | { |
113 | return writtenWriteRequests; |
114 | } |
115 | |
116 | public void increaseReadBytes( int increment ) |
117 | { |
118 | readBytes += increment; |
119 | lastReadTime = System.currentTimeMillis(); |
120 | } |
121 | |
122 | public void increaseWrittenBytes( int increment ) |
123 | { |
124 | writtenBytes += increment; |
125 | lastWriteTime = System.currentTimeMillis(); |
126 | } |
127 | |
128 | public void increaseWrittenWriteRequests() |
129 | { |
130 | writtenWriteRequests ++; |
131 | } |
132 | |
133 | public long getLastIoTime() |
134 | { |
135 | return Math.max( lastReadTime, lastWriteTime ); |
136 | } |
137 | |
138 | public long getLastReadTime() |
139 | { |
140 | return lastReadTime; |
141 | } |
142 | |
143 | public long getLastWriteTime() |
144 | { |
145 | return lastWriteTime; |
146 | } |
147 | |
148 | public boolean isIdle( IdleStatus status ) |
149 | { |
150 | if( status == IdleStatus.BOTH_IDLE ) |
151 | return idleForBoth; |
152 | |
153 | if( status == IdleStatus.READER_IDLE ) |
154 | return idleForRead; |
155 | |
156 | if( status == IdleStatus.WRITER_IDLE ) |
157 | return idleForWrite; |
158 | |
159 | throw new IllegalArgumentException( "Unknown idle status: " + status ); |
160 | } |
161 | |
162 | public void setIdle( IdleStatus status, boolean value ) |
163 | { |
164 | if( status == IdleStatus.BOTH_IDLE ) |
165 | idleForBoth = value; |
166 | else if( status == IdleStatus.READER_IDLE ) |
167 | idleForRead = value; |
168 | else if( status == IdleStatus.WRITER_IDLE ) |
169 | idleForWrite = value; |
170 | else |
171 | throw new IllegalArgumentException( "Unknown idle status: " |
172 | + status ); |
173 | } |
174 | } |