01: /*
02: * $Id: IChangeListener.java 458456 2006-01-02 07:37:31Z jonl $
03: * $Revision: 458456 $ $Date: 2006-01-02 08:37:31 +0100 (Mon, 02 Jan 2006) $
04: *
05: * ==============================================================================
06: * Licensed under the Apache License, Version 2.0 (the "License"); you may not
07: * use this file except in compliance with the License. You may obtain a copy of
08: * the License at
09: *
10: * http://www.apache.org/licenses/LICENSE-2.0
11: *
12: * Unless required by applicable law or agreed to in writing, software
13: * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
14: * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
15: * License for the specific language governing permissions and limitations under
16: * the License.
17: */
18: package wicket.util.listener;
19:
20: /**
21: * Generic "something changed" listener interface.
22: *
23: * @author Jonathan Locke
24: */
25: public interface IChangeListener extends IListener {
26: /**
27: * Client method that is called to indicate that something changed.
28: */
29: void onChange();
30: }
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