util/concurrent/ThreadFactory.java

/*
 * Written by Doug Lea with assistance from members of JCP JSR-166
 * Expert Group and released to the public domain, as explained at
 * http://creativecommons.org/publicdomain/zero/1.0/
 */

package java.util.concurrent;

/**
 * An object that creates new threads on demand.  Using thread factories
 * removes hardwiring of calls to {@link Thread#Thread(Runnable) new Thread},
 * enabling applications to use special thread subclasses, priorities, etc.
 *
 * <p>
 * The simplest implementation of this interface is just:
 *  <pre> {@code
 * class SimpleThreadFactory implements ThreadFactory {
 *   public Thread newThread(Runnable r) {
 *     return new Thread(r);
 *   }
 * }}</pre>
 *
 * The {@link Executors#defaultThreadFactory} method provides a more
 * useful simple implementation, that sets the created thread context
 * to known values before returning it.
 * @since 1.5
 * @author Doug Lea
 */
public interface ThreadFactory {

    /**
     * Constructs a new {@code Thread}.  Implementations may also initialize
     * priority, name, daemon status, {@code ThreadGroup}, etc.
     *
     * @param r a runnable to be executed by new thread instance
     * @return constructed thread, or {@code null} if the request to
     *         create a thread is rejected
     */
    Thread newThread(Runnable r);
}
Revision:	1.1
Committed:	Sun Dec 16 20:55:16 2012 UTC (11 years, 5 months ago) by dl
Branch:	MAIN
CVS Tags:	HEAD
Log Message:	Create src/jdk7 package
#	User	Rev	Content
1	dl	1.1	/*
2			* Written by Doug Lea with assistance from members of JCP JSR-166
3			* Expert Group and released to the public domain, as explained at
4			* http://creativecommons.org/publicdomain/zero/1.0/
5			*/
6
7			package java.util.concurrent;
8
9			/**
10			* An object that creates new threads on demand. Using thread factories
11			* removes hardwiring of calls to {@link Thread#Thread(Runnable) new Thread},
12			* enabling applications to use special thread subclasses, priorities, etc.
13			*
14			* <p>
15			* The simplest implementation of this interface is just:
16			* <pre> {@code
17			* class SimpleThreadFactory implements ThreadFactory {
18			* public Thread newThread(Runnable r) {
19			* return new Thread(r);
20			* }
21			* }}</pre>
22			*
23			* The {@link Executors#defaultThreadFactory} method provides a more
24			* useful simple implementation, that sets the created thread context
25			* to known values before returning it.
26			* @since 1.5
27			* @author Doug Lea
28			*/
29			public interface ThreadFactory {
30
31			/**
32			* Constructs a new {@code Thread}. Implementations may also initialize
33			* priority, name, daemon status, {@code ThreadGroup}, etc.
34			*
35			* @param r a runnable to be executed by new thread instance
36			* @return constructed thread, or {@code null} if the request to
37			* create a thread is rejected
38			*/
39			Thread newThread(Runnable r);
40			}