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Java > Open Source Codes > org > apache > servicemix > beanflow > support > Notifier


1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. 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 package org.apache.servicemix.beanflow.support;
18
19 /**
20  * A strategy for notifying listeners when state changes.
21  *
22  * @version $Revision: $
23  */
24 public interface Notifier extends Runnable JavaDoc {
25
26     /**
27      * Adds a new listener
28      */
29     public void addRunnable(Runnable JavaDoc listener);
30
31     /**
32      * removes a listener
33      */
34     public void removeRunnable(Runnable JavaDoc listener);
35
36     /**
37      * Causes the listeners to be notified
38      */
39     public void run();
40 }
41
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