01: /*
02: * Copyright 2005-2007 The Kuali Foundation.
03: *
04: *
05: * Licensed under the Educational Community License, Version 1.0 (the "License");
06: * you may not use this file except in compliance with the License.
07: * You may obtain a copy of the License at
08: *
09: * http://www.opensource.org/licenses/ecl1.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.workflow.attribute;
18:
19: import java.util.List;
20:
21: import org.kuali.workflow.workgroup.BaseWorkgroupExtensionData;
22:
23: /**
24: * Represents an extension to a data object. An Extension is associated with an Attribute which
25: * defines the properties of the Extension. An Extension has a list of ExtensionData which
26: * store key-values pairs that represent the extension data.
27: *
28: * @author ewestfal
29: */
30: public interface Extension {
31:
32: /**
33: * Return the name of the attribute which defines the properties of this Extension.
34: */
35: public String getAttributeName();
36:
37: /**
38: * Return the data associated with this Extension.
39: */
40: public List<ExtensionData> getData();
41:
42: /**
43: * Returns the value of the ExtensionData with the specified key.
44: */
45: public String getDataValue(String key);
46:
47: }
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