| // Copyright 2004 The Apache Software Foundation |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package org.apache.tapestry.record; |
| |
| /** |
| * Represents a change to a component on a page, this represents |
| * a datum of information stored by a {@link org.apache.tapestry.engine.IPageRecorder}. |
| * |
| * @author Howard Lewis Ship |
| * @version $Id$ |
| **/ |
| |
| public interface IPageChange |
| { |
| /** |
| * The path to the component on the page, or null if the property is a property |
| * of the page. |
| * |
| **/ |
| |
| public String getComponentPath(); |
| |
| /** |
| * The new value for the property, which may be null. |
| * |
| **/ |
| |
| public Object getNewValue(); |
| |
| /** |
| * The name of the property that changed. |
| * |
| **/ |
| |
| public String getPropertyName(); |
| } |