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1   /*
2    wsmo4j extension - a Choreography API and Reference Implementation
3   
4    Copyright (c) 2005, University of Innsbruck, Austria
5   
6    This library is free software; you can redistribute it and/or modify it under
7    the terms of the GNU Lesser General Public License as published by the Free
8    Software Foundation; either version 2.1 of the License, or (at your option)
9    any later version.
10   This library is distributed in the hope that it will be useful, but WITHOUT
11   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
12   FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
13   details.
14   You should have received a copy of the GNU Lesser General Public License along
15   with this library; if not, write to the Free Software Foundation, Inc.,
16   59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17   */
18  
19  package org.wsmo.service.signature;
20  
21  import org.omwg.ontology.Concept;
22  import org.omwg.ontology.Relation;
23  
24  /**
25   * A Mode entry container. Defines only one method to get the Concept or
26   * Relation associated with it. A Mode can be either a concept or a relation
27   * but not both.
28   * 
29   * <pre>
30   *    Created on Jul 26, 2005
31   *    Committed by $Author: vassil_momtchev $
32   *    $Source$
33   * </pre>
34   * 
35   * @author James Scicluna
36   * @author Thomas Haselwanter
37   * @author Holger Lausen
38   * 
39   * @version $Revision: 1849 $ $Date: 2006-10-24 17:56:41 +0300 (Tue, 24 Oct 2006) $
40   */
41  public abstract interface Mode {
42  
43      /**
44       * Returns the Concept which is associated with the
45       * mode
46       * 
47       * @return A Concept object associated with the Mode
48       */
49      public Concept getConcept();
50      
51      /**
52       * Returns the Relation which is associated with the
53       * mode
54       * 
55       * @return A Relation object associated with the Mode
56       */
57      public Relation getRelation();
58      
59      /**
60       * Determines whether the mode is associated with a concept (true
61       * if yes, false if it's a relation)
62       * @return
63       */
64      public boolean isConcept();
65  
66  }