1 /*
2 * Copyright 2005-2007 The Kuali Foundation
3 *
4 *
5 * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
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.kuali.rice.kew.attribute;
18
19 import java.util.List;
20
21 /**
22 * Represents an extension to a data object. An Extension is associated with an Attribute which
23 * defines the properties of the Extension. An Extension has a list of ExtensionData which
24 * store key-values pairs that represent the extension data.
25 *
26 * @author Kuali Rice Team (rice.collab@kuali.org)
27 */
28 public interface Extension {
29
30 /**
31 * Return the name of the attribute which defines the properties of this Extension.
32 * @return String
33 */
34 public String getAttributeName();
35
36 /**
37 * Return the data associated with this Extension.
38 * @return List of Extension Data
39 */
40 public List<ExtensionData> getData();
41
42 /**
43 * Returns the value of the ExtensionData with the specified key.
44 * @param key for data value
45 * @return String
46 */
47 public String getDataValue(String key);
48
49 }