/*

  * Copyright 1999-2001,2004 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.commons.workflow;

 /**

  * <p>An <strong>Activity</strong> represents an ordered sequence of Steps

  * that comprise the executable actions necessary to accomplish a business

  * task.  The dynamic execution of the Steps owned by this Activity happens

  * within the <code>execute()</code> method of a <code>Context</code> that

  * is utilizing this <code>Activity</code> definition.</p>

  *

  * @version $Revision: 155475 $ $Date: 2005-02-26 13:31:11 +0000 (Sat, 26 Feb 2005) $

  * @author Craig R. McClanahan

  */

 public interface Activity extends Owner {

     // ------------------------------------------------------------- Properties

     /**

      * Return the unique identifier (within this Activity) of this Step.

      */

     public String getId();

     /**

      * Set the unique identifier (within this Activity) of this Step.

      *

      * @param id The new unique identifier

      */

     public void setId(String id);

     // --------------------------------------------------------- Public Methods

 }