blob: fde35081fde6b1e1504a9fff99ae7c84a8462c60 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.executor.admin.internal;
import java.lang.Thread.State;
import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.ThreadFactory;
/**
* @author Roberto E. Escobar
*/
public class ExecutorThreadFactory implements ThreadFactory {
private final List<WeakReference<Thread>> threads;
private final String threadName;
private final int priority;
public ExecutorThreadFactory(String threadName, int priority) {
this.threadName = threadName;
this.threads = new CopyOnWriteArrayList<WeakReference<Thread>>();
this.priority = priority;
}
public ExecutorThreadFactory(String name) {
this(name, Thread.NORM_PRIORITY);
}
@Override
public Thread newThread(Runnable runnable) {
Thread thread = new Thread(runnable);
String name = String.format("%s: %s", threadName, threads.size());
thread.setName(name);
int priorityToSet = priority;
if (priorityToSet > Thread.MAX_PRIORITY) {
priorityToSet = Thread.MAX_PRIORITY;
} else if (priorityToSet < Thread.MIN_PRIORITY) {
priorityToSet = Thread.MIN_PRIORITY;
}
thread.setPriority(priority);
threads.add(new WeakReference<Thread>(thread));
return thread;
}
public List<Thread> getThreads() {
List<Thread> toReturn = new ArrayList<Thread>();
for (WeakReference<Thread> weak : threads) {
Thread thread = weak.get();
if (thread != null) {
toReturn.add(thread);
}
}
return toReturn;
}
public synchronized void cleanUp() {
Set<WeakReference<Thread>> toRemove = new HashSet<WeakReference<Thread>>();
for (WeakReference<Thread> reference : threads) {
Thread thread = reference.get();
if (thread == null || State.TERMINATED == thread.getState()) {
toRemove.add(reference);
}
}
threads.removeAll(toRemove);
}
}
|
