blob: 80340b9098451b15e65eeb1f8a79e8c02c6125a3 (
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
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
/*
* Copyright (c) 2004 - 2012 Eike Stepper (Berlin, Germany) and others.
* 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:
* Eike Stepper - initial API and implementation
*/
package org.eclipse.net4j.util.concurrent;
import org.eclipse.net4j.util.container.IManagedContainer;
import org.eclipse.net4j.util.event.EventUtil;
import org.eclipse.net4j.util.event.IListener;
import org.eclipse.net4j.util.factory.Factory;
import org.eclipse.net4j.util.lifecycle.ILifecycle;
import org.eclipse.net4j.util.lifecycle.LifecycleException;
import org.eclipse.net4j.util.lifecycle.LifecycleState;
import org.eclipse.net4j.util.lifecycle.LifecycleUtil;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadFactory;
/**
* @author Eike Stepper
* @since 2.0
*/
public class ExecutorServiceFactory extends Factory
{
public static final String PRODUCT_GROUP = "org.eclipse.net4j.executorServices"; //$NON-NLS-1$
public static final String TYPE = "default"; //$NON-NLS-1$
public static final String DEFAULT_THREAD_GROUP_NAME = "net4j"; //$NON-NLS-1$
public ExecutorServiceFactory()
{
super(PRODUCT_GROUP, TYPE);
}
public ExecutorService create(String threadGroupName)
{
if (threadGroupName == null)
{
threadGroupName = DEFAULT_THREAD_GROUP_NAME;
}
final ThreadGroup threadGroup = new ThreadGroup(threadGroupName);
ThreadFactory threadFactory = new ThreadFactory()
{
public Thread newThread(Runnable r)
{
Thread thread = new Thread(threadGroup, r);
thread.setDaemon(true);
return thread;
}
};
final ExecutorService executorService = Executors.newCachedThreadPool(threadFactory);
return LifecycleUtil.delegateLifecycle(getClass().getClassLoader(), executorService, ExecutorService.class,
new ILifecycle()
{
private boolean active;
public void activate() throws LifecycleException
{
active = true;
}
public Exception deactivate()
{
try
{
executorService.shutdown();
active = false;
return null;
}
catch (Exception ex)
{
return ex;
}
}
public LifecycleState getLifecycleState()
{
return active ? LifecycleState.ACTIVE : LifecycleState.INACTIVE;
}
public boolean isActive()
{
return active;
}
public void addListener(IListener listener)
{
// Do nothing
}
public void removeListener(IListener listener)
{
// Do nothing
}
public IListener[] getListeners()
{
return EventUtil.NO_LISTENERS;
}
public boolean hasListeners()
{
return false;
}
});
}
public static ExecutorService get(IManagedContainer container)
{
return (ExecutorService)container.getElement(PRODUCT_GROUP, TYPE, null);
}
}
|
