gov/nasa/worldwind/util/TaskService.java

   1 /*
   2 Copyright (C) 2001, 2006 United States Government
   3 as represented by the Administrator of the
   4 National Aeronautics and Space Administration.
   5 All Rights Reserved.
   6 */
   7 package gov.nasa.worldwind.util;
   8
   9 /**
  10  * @author tag
  11  * @version $Id: TaskService.java 2455 2007-07-28 00:32:43Z tgaskins $
  12  */
  13 public interface TaskService
  14 {
  15     void shutdown(boolean immediately);
  16
  17     boolean contains(Runnable runnable);
  18
  19     /**
  20      * Enqueues a task to run.
  21      *
  22      * @param runnable the task to add
  23      * @throws IllegalArgumentException if <code>runnable</code> is null
  24      */
  25     void addTask(Runnable runnable);
  26
  27     boolean isFull();
  28
  29     boolean hasActiveTasks();
  30 }