01: /*
02: * This file is part of the Echo Web Application Framework (hereinafter "Echo").
03: * Copyright (C) 2002-2005 NextApp, Inc.
04: *
05: * Version: MPL 1.1/GPL 2.0/LGPL 2.1
06: *
07: * The contents of this file are subject to the Mozilla Public License Version
08: * 1.1 (the "License"); you may not use this file except in compliance with
09: * the License. You may obtain a copy of the License at
10: * http://www.mozilla.org/MPL/
11: *
12: * Software distributed under the License is distributed on an "AS IS" basis,
13: * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
14: * for the specific language governing rights and limitations under the
15: * License.
16: *
17: * Alternatively, the contents of this file may be used under the terms of
18: * either the GNU General Public License Version 2 or later (the "GPL"), or
19: * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
20: * in which case the provisions of the GPL or the LGPL are applicable instead
21: * of those above. If you wish to allow use of your version of this file only
22: * under the terms of either the GPL or the LGPL, and not to allow others to
23: * use your version of this file under the terms of the MPL, indicate your
24: * decision by deleting the provisions above and replace them with the notice
25: * and other provisions required by the GPL or the LGPL. If you do not delete
26: * the provisions above, a recipient may use your version of this file under
27: * the terms of any one of the MPL, the GPL or the LGPL.
28: */
29:
30: package nextapp.echo2.testapp.thousandmonkeys;
31:
32: import nextapp.echo2.app.ApplicationInstance;
33: import nextapp.echo2.app.ContentPane;
34: import nextapp.echo2.app.TaskQueueHandle;
35: import nextapp.echo2.app.Window;
36: import nextapp.echo2.webcontainer.ContainerContext;
37:
38: /**
39: * Thousand Monkeys <code>ApplicationInstance</code> implementation.
40: */
41: public class ThousandMonkeysApp extends ApplicationInstance {
42:
43: private int iteration;
44: private TaskQueueHandle ghostTaskQueue;
45: private Monkey monkey;
46:
47: /**
48: * @see nextapp.echo2.app.ApplicationInstance#init()
49: */
50: public Window init() {
51: Window window = new Window();
52: window.setTitle("Thousand Monkeys (Start)");
53: ContentPane contentPane = new ContentPane();
54: window.setContent(contentPane);
55: monkey = new Monkey(contentPane);
56: startGhostTask();
57: return window;
58: }
59:
60: /**
61: * Starts the ghost task queue that will push updates to client.
62: */
63: private void startGhostTask() {
64: if (ghostTaskQueue != null) {
65: return;
66: }
67: ghostTaskQueue = createTaskQueue();
68: ContainerContext containerContext = (ContainerContext) getContextProperty(ContainerContext.CONTEXT_PROPERTY_NAME);
69: containerContext
70: .setTaskQueueCallbackInterval(ghostTaskQueue, 0);
71: GhostTask.start(this , ghostTaskQueue);
72: }
73:
74: /**
75: * Performs a single iteration.
76: */
77: void iterate() {
78: monkey.iterate();
79: getDefaultWindow().setTitle(
80: "Thousand Monkeys: Iteration #" + ++iteration);
81: }
82: }
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