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Java > Open Source Codes > nextapp > echo2 > webcontainer > LazyRenderContainer


1 /*
2  * This file is part of the Echo Web Application Framework (hereinafter "Echo").
3  * Copyright (C) 2002-2005 NextApp, Inc.
4  *
5  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
6  *
7  * The contents of this file are subject to the Mozilla Public License Version
8  * 1.1 (the "License"); you may not use this file except in compliance with
9  * 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.webcontainer;
31
32 import nextapp.echo2.app.Component;
33
34 //BUGBUG^ EXPERIMENTAL
35 /**
36  * An interface which may be supported by <code>ComponentSynchronizePeer</code>s
37  * that benefit from lazily rendering their child components to the client.
38  */
39 public interface LazyRenderContainer {
40
41     /**
42      * Determines if the specified <code>child</code> has been rendered
43      * to the client.
44      *
45      * @param ci the relevant <code>ContainerInstance</code>
46      * @param component the lazy-load-supporting container component
47      * @param child the child component to test for rendering
48      */
49     public boolean isRendered(ContainerInstance ci, Component component, Component child);
50 }
51
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