1 /*
2 * Copyright 1999-2001,2004 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
17 package org.apache.commons.workflow;
18
19
20 /**
21 * <p>An <strong>Activity</strong> represents an ordered sequence of Steps
22 * that comprise the executable actions necessary to accomplish a business
23 * task. The dynamic execution of the Steps owned by this Activity happens
24 * within the <code>execute()</code> method of a <code>Context</code> that
25 * is utilizing this <code>Activity</code> definition.</p>
26 *
27 * @version $Revision: 155475 $ $Date: 2005-02-26 13:31:11 +0000 (Sat, 26 Feb 2005) $
28 * @author Craig R. McClanahan
29 */
30
31 public interface Activity extends Owner {
32
33
34 // ------------------------------------------------------------- Properties
35
36
37 /**
38 * Return the unique identifier (within this Activity) of this Step.
39 */
40 public String getId();
41
42
43 /**
44 * Set the unique identifier (within this Activity) of this Step.
45 *
46 * @param id The new unique identifier
47 */
48 public void setId(String id);
49
50
51 // --------------------------------------------------------- Public Methods
52
53
54 }