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1 //
2 // This file is part of the prose package.
3 //
4 // The contents of this file are subject to the Mozilla Public License
5 // Version 1.1 (the "License"); you may not use this file except in
6 // compliance with the License. You may obtain a copy of the License at
7 // http://www.mozilla.org/MPL/
8 //
9 // Software distributed under the License is distributed on an "AS IS" basis,
10 // WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
11 // for the specific language governing rights and limitations under the
12 // License.
13 //
14 // The Original Code is prose.
15 //
16 // The Initial Developer of the Original Code is Andrei Popovici. Portions
17 // created by Andrei Popovici are Copyright (C) 2002 Andrei Popovici.
18 // All Rights Reserved.
19 //
20 // Contributor(s):
21 // $Id: Insertable.java,v 1.1.1.1 2003/07/02 15:30:50 apopovic Exp $
22 // =====================================================================
23 //
24 // (history at end)
25 //
26
27 package ch.ethz.prose;
28
29 /**
30  * Interface Insertable should be implemented by all
31  * elements that get inserted into PROSE and need
32  * to be notified. Examples are extensions or crosscuts.
33  *
34  * @version $Revision: 1.1.1.1 $
35  * @author Andrei Popovici
36  */
37 public
38 interface Insertable {
39
40   /** Action executed by the extension before/after the
41    * insertion of an element. This method should be used to perform
42    * specific setup actions for the crosscuts of an
43    * extensions (if the insertable is an extension), e.g.,
44    * the extension was inserted in order to configure
45    * its crosscut. If the insertable is a crosscut, it may
46    * be told in which VM is running.
47    *
48    * @param before if <code>true</code>, the action
49    * is performed before insertion, otherwise it is
50    * performed after the insertion.
51    */
52   public void insertionAction(boolean beforeInsertion) throws AspectInsertionException;
53
54   /** Action executed by the extension before/after its
55    * withdrawal.
56    *
57    * @param before if <code>true</code>, the action
58    * is performed before withdrawal, otherwise it is
59    * performed after the withdrawal.
60    */
61   public void withdrawalAction(boolean beforeWithdrawal);
62
63
64
65   /** Return the priority of this insertable object.
66    */
67   public int getPriority();
68 }
69
70
71 //======================================================================
72 //
73 // $Log: Insertable.java,v $
74 // Revision 1.1.1.1 2003/07/02 15:30:50 apopovic
75 // Imported from ETH Zurich
76 //
77 // Revision 1.1 2003/05/05 13:58:29 popovici
78 // renaming from runes to prose
79 //
80 // Revision 1.4 2003/04/29 12:41:04 popovici
81 // Feature added:
82 // - the 'setPriority' in class insertable allows now Aspects and Crosscuts to have a priority.
83 // Notitification is done from low int priorities to high int priorities.
84 // - the 'setAspectID' introduced to replace constuctor; used to be cumberstone for subclasses
85 //
86 // Revision 1.3 2003/04/17 15:15:06 popovici
87 // Extension->Aspect renaming
88 //
89 // Revision 1.2 2002/03/28 13:48:36 popovici
90 // Mozilla-ified
91 //
92 // Revision 1.1 2002/02/21 12:36:48 popovici
93 // Interface 'Insertable' added. Extensions and crosscuts
94 // are now insertable objects.
95 //
96
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