1 /*
2 * Copyright 2000-2004 The Apache Software Foundation.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package org.apache.portals.graffito.model;
17
18
19 /***
20 * CMS History Element interface.
21 *
22 */
23 public interface HistoryElement
24 {
25
26
27 /***
28 * Gets the Document associated to this history element
29 *
30 * @return the associated document
31 */
32 Document getDocument();
33
34 /***
35 * Get the previous history element
36 *
37 * @return the previous object
38 */
39 HistoryElement getPrevious();
40
41
42 /***
43 * Set the Document into this history element
44 *
45 * @param document The document to set
46 */
47 void setDocument(Document document);
48
49 /***
50 * Set the previous history element
51 *
52 * @param historyElement the previous element to set into the history
53 */
54 void setPrevious(HistoryElement historyElement);
55
56
57 }