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World Wind is a collection of components that interactively display 3D geographic information within Java applications or applets.

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/*
 * Copyright (C) 2012 United States Government as represented by the Administrator of the
 * National Aeronautics and Space Administration.
 * All Rights Reserved.
 */
package gov.nasa.worldwind.util;

/**
 * @author tag
 * @version $Id: TaskService.java 1171 2013-02-11 21:45:02Z dcollins $
 */
public interface TaskService
{
    void shutdown(boolean immediately);

    boolean contains(Runnable runnable);

    /**
     * Enqueues a task to run.
     *
     * @param runnable the task to add
     * @throws IllegalArgumentException if runnable is null
     */
    void addTask(Runnable runnable);

    boolean isFull();

    boolean hasActiveTasks();
}