ThreadFactory


1   /*
2    * @(#)ThreadFactory.java   1.4 04/01/12
3    *
4    * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
5    * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
6    */
7   
8   package java.util.concurrent;
9   
10  /**
11   * An object that creates new threads on demand.  Using thread factories
12   * removes hardwiring of calls to {@link Thread#Thread(Runnable) new Thread},
13   * enabling applications to use special thread subclasses, priorities, etc.
14   *
15   * <p> 
16   * The simplest implementation of this interface is just:
17   * <pre>
18   * class SimpleThreadFactory implements ThreadFactory {
19   *   public Thread newThread(Runnable r) {
20   *     return new Thread(r);
21   *   }
22   * }
23   * </pre>
24   *
25   * The {@link Executors#defaultThreadFactory} method provides a more
26   * useful simple implementation, that sets the created thread context
27   * to known values before returning it. 
28   * @since 1.5
29   * @author Doug Lea
30   */
31  public interface ThreadFactory { 
32  
33      /**
34       * Constructs a new <tt>Thread</tt>.  Implementations may also initialize
35       * priority, name, daemon status, <tt>ThreadGroup</tt>, etc.
36       *
37       * @param r a runnable to be executed by new thread instance
38       * @return constructed thread
39       */
40      Thread   newThread(Runnable   r);
41  }
42

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