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Java > Open Source Codes > com > micronova > util > codec > CodecThread


1 /*
2
3 Copyright 2003-2007 MicroNova (R)
4 All rights reserved.
5
6 Redistribution and use in source and binary forms, with or
7 without modification, are permitted provided that the following
8 conditions are met:
9
10     * Redistributions of source code must retain the above copyright
11     notice, this list of conditions and the following disclaimer.
12
13     * Redistributions in binary form must reproduce the above copyright
14     notice, this list of conditions and the following disclaimer in the
15     documentation and/or other materials provided with the distribution.
16
17     * Neither the name of MicroNova nor the names of its contributors
18     may be used to endorse or promote products derived from this
19     software without specific prior written permission.
20
21 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
25 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 POSSIBILITY OF SUCH DAMAGE.
32
33 */

34
35
36 package com.micronova.util.codec;
37
38 import java.util.*;
39 import com.micronova.util.*;
40
41 /** Thread codecs */
42
43 public class CodecThread extends Codec
44 {
45     /** sleeps for given number of milliseconds */
46
47     public static Object JavaDoc sleep(Object JavaDoc object) throws Exception JavaDoc
48     {
49         Long JavaDoc l = TypeUtil.isLong(object);
50         
51         if (l != null)
52         {
53             Thread.currentThread().sleep(l.longValue());
54         }
55
56         return l;
57     }
58
59     /** obtain current thread */
60
61     public static Object JavaDoc currentThread()
62     {
63         return Thread.currentThread();
64     }
65
66     /** join a thread */
67
68     public static Object JavaDoc join(Object JavaDoc object, Object JavaDoc wait) throws Exception JavaDoc
69     {
70         if (object instanceof Thread JavaDoc)
71         {
72             ((Thread JavaDoc)object).join(TypeUtil.isLong(wait).longValue());
73         }
74
75         return object;
76     }
77
78     /** interrupt a thread */
79
80     public static Object JavaDoc interrupt(Object JavaDoc object)
81     {
82         if (object instanceof Thread JavaDoc)
83         {
84             ((Thread JavaDoc)object).interrupt();
85         }
86
87         return object;
88     }
89
90     /** yield current thread */
91
92     public static Object JavaDoc yield()
93     {
94         Thread.yield();
95
96         return Thread.currentThread();
97     }
98
99     /** returns max priority as Integer */
100
101     public static Object JavaDoc maxPriority()
102     {
103         return new Integer JavaDoc(Thread.MAX_PRIORITY);
104     }
105
106     /** returns min priority as Integer */
107
108     public static Object JavaDoc minPriority()
109     {
110         return new Integer JavaDoc(Thread.MIN_PRIORITY);
111     }
112
113     /** returns normal priority as Integer */
114
115     public static Object JavaDoc normPriority()
116     {
117         return new Integer JavaDoc(Thread.NORM_PRIORITY);
118     }
119
120     /** stops a thread (deprecated) */
121
122     public static Object JavaDoc stop(Object JavaDoc object)
123     {
124         if (object instanceof Thread JavaDoc)
125         {
126             ((Thread JavaDoc)object).stop();
127         }
128
129         return object;
130     }
131
132     /** suspends a thread (deprecated) */
133
134     public static Object JavaDoc suspend(Object JavaDoc object)
135     {
136         if (object instanceof Thread JavaDoc)
137         {
138             ((Thread JavaDoc)object).suspend();
139         }
140
141         return object;
142     }
143
144     /** resumes a thread (deprecated) */
145
146     public static Object JavaDoc resume(Object JavaDoc object)
147     {
148         if (object instanceof Thread JavaDoc)
149         {
150             ((Thread JavaDoc)object).resume();
151         }
152
153         return object;
154     }
155 }
156
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