/* * %W% %E% * * Copyright  1990-2006 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER *  * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License version * 2 only, as published by the Free Software Foundation.  *  * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License version 2 for more details (a copy is * included at /legal/license.txt).  *  * You should have received a copy of the GNU General Public License * version 2 along with this work; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA  *  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa * Clara, CA 95054 or visit www.sun.com if you need additional * information or have any questions.  */package com.sun.jump.common;/** * <code>JUMPWindow</code> is an abstraction for a window in the JUMP system. * Each application and each isolate can have multiple JUMPWindow's. * Each window has a set of states, and a 64-bit ID. */public abstract class JUMPWindow {    public static final String FOREGROUND_STATE = "foreground";    public static final String BACKGROUND_STATE = "background";    /**     * Returns the state of the window     */    public abstract String getState();    /**     * Returns an ID for the window     */    public abstract int getId();    /**      * Return the isolate that this window runs in     */    public abstract JUMPIsolate getIsolate();}