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Java > Open Source Codes > org > apache > jmeter > visualizers > ModelListener


1 // $Header: /home/cvs/jakarta-jmeter/src/components/org/apache/jmeter/visualizers/ModelListener.java,v 1.3 2004/02/13 01:48:46 sebb Exp $
2 /*
3  * Copyright 2001-2004 The Apache Software Foundation.
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  *
17 */
18
19 package org.apache.jmeter.visualizers;
20
21
22 /**
23  * The Interface to be implemented by any class that wants to be notified by
24  * model which makes use of this callback-Interface.
25  *
26  * @author <a HREF="mailto:wolfram.rittmeyer@web.de">Wolfram Rittmeyer</a>
27  * @version $Revision: 1.3 $ $Date: 2004/02/13 01:48:46 $
28  */
29 public interface ModelListener
30 {
31
32     /**
33      * Informs the Visualizer that the model has changed.
34      */
35     public void updateVisualizer();
36
37     /**
38      * Informs the Visualizer that a message should be displayed.
39      */
40     public void displayMessage(String JavaDoc messageString, boolean isError);
41 }
42
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