Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
CrNoOutgoingTransitions |
|
| 8.0;8 |
1 | /* $Id: CrNoOutgoingTransitions.java 17965 2010-02-04 23:36:04Z bobtarling $ | |
2 | ***************************************************************************** | |
3 | * Copyright (c) 2009 Contributors - see below | |
4 | * All rights reserved. This program and the accompanying materials | |
5 | * are made available under the terms of the Eclipse Public License v1.0 | |
6 | * which accompanies this distribution, and is available at | |
7 | * http://www.eclipse.org/legal/epl-v10.html | |
8 | * | |
9 | * Contributors: | |
10 | * mvw | |
11 | ***************************************************************************** | |
12 | * | |
13 | * Some portions of this file was previously release using the BSD License: | |
14 | */ | |
15 | ||
16 | // Copyright (c) 1996-2009 The Regents of the University of California. All | |
17 | // Rights Reserved. Permission to use, copy, modify, and distribute this | |
18 | // software and its documentation without fee, and without a written | |
19 | // agreement is hereby granted, provided that the above copyright notice | |
20 | // and this paragraph appear in all copies. This software program and | |
21 | // documentation are copyrighted by The Regents of the University of | |
22 | // California. The software program and documentation are supplied "AS | |
23 | // IS", without any accompanying services from The Regents. The Regents | |
24 | // does not warrant that the operation of the program will be | |
25 | // uninterrupted or error-free. The end-user understands that the program | |
26 | // was developed for research purposes and is advised not to rely | |
27 | // exclusively on the program for any reason. IN NO EVENT SHALL THE | |
28 | // UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, | |
29 | // SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, | |
30 | // ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF | |
31 | // THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF | |
32 | // SUCH DAMAGE. THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY | |
33 | // WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
34 | // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE | |
35 | // PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF | |
36 | // CALIFORNIA HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, | |
37 | // UPDATES, ENHANCEMENTS, OR MODIFICATIONS. | |
38 | ||
39 | package org.argouml.uml.cognitive.critics; | |
40 | ||
41 | import java.util.Collection; | |
42 | import java.util.HashSet; | |
43 | import java.util.Set; | |
44 | ||
45 | import org.argouml.cognitive.Designer; | |
46 | import org.argouml.model.Model; | |
47 | import org.argouml.uml.cognitive.UMLDecision; | |
48 | ||
49 | /** | |
50 | * A critic to detect when a state has no outgoing transitions. | |
51 | * <p> | |
52 | * Also a transition from a state contained in the dm going out of the dm | |
53 | * counts as an "outgoing" transition thanks to issue 689. | |
54 | * | |
55 | * @author jrobbins | |
56 | */ | |
57 | public class CrNoOutgoingTransitions extends CrUML { | |
58 | ||
59 | /** | |
60 | * Constructor. | |
61 | */ | |
62 | 900 | public CrNoOutgoingTransitions() { |
63 | 900 | setupHeadAndDesc(); |
64 | 900 | addSupportedDecision(UMLDecision.STATE_MACHINES); |
65 | 900 | addTrigger("outgoing"); |
66 | 900 | } |
67 | ||
68 | /* | |
69 | * @see org.argouml.uml.cognitive.critics.CrUML#predicate2(java.lang.Object, org.argouml.cognitive.Designer) | |
70 | */ | |
71 | public boolean predicate2(Object dm, Designer dsgr) { | |
72 | 570 | if (!(Model.getFacade().isAStateVertex(dm))) { |
73 | 0 | return NO_PROBLEM; |
74 | } | |
75 | /* Now we are sure dm is a StateVertex. */ | |
76 | ||
77 | 570 | if (Model.getFacade().isAPseudostate(dm)) { |
78 | 0 | Object k = Model.getFacade().getKind(dm); |
79 | 0 | if (k.equals(Model.getPseudostateKind().getChoice())) { |
80 | 0 | return NO_PROBLEM; |
81 | } | |
82 | 0 | if (k.equals(Model.getPseudostateKind().getJunction())) { |
83 | 0 | return NO_PROBLEM; |
84 | } | |
85 | } | |
86 | 570 | if (!Model.getFacade().isAState(dm)) { |
87 | 0 | return NO_PROBLEM; |
88 | } | |
89 | 570 | if (Model.getFacade().isAFinalState(dm)) { |
90 | 0 | return NO_PROBLEM; |
91 | } | |
92 | /* Now we are sure dm is a State. */ | |
93 | 570 | Object stateMachine = Model.getFacade().getStateMachine(dm); |
94 | 570 | if (stateMachine == null) { |
95 | 0 | return NO_PROBLEM; |
96 | } | |
97 | ||
98 | 570 | if (stateMachine != null && Model.getFacade().getTop(stateMachine) == dm) { |
99 | /* If dm is the top state of the statemachine, then it is | |
100 | * not supposed to have outgoing transitions. */ | |
101 | 570 | return NO_PROBLEM; |
102 | } | |
103 | ||
104 | 0 | Collection outgoing = Model.getFacade().getOutgoings(dm); |
105 | 0 | if (outgoing == null || outgoing.size() > 0) { |
106 | 0 | return NO_PROBLEM; |
107 | } | |
108 | ||
109 | 0 | if (!Model.getFacade().isACompositeState(dm)) { |
110 | 0 | return PROBLEM_FOUND; |
111 | } | |
112 | /* Now we are sure dm is a Composite State. */ | |
113 | ||
114 | /* Issue 689: Look for a transition that starts | |
115 | * at a sub-state and goes out of the composite state: */ | |
116 | 0 | Collection transitions = Model.getFacade().getTransitions(stateMachine); |
117 | 0 | for (Object t : transitions) { |
118 | 0 | Object sourceState = Model.getFacade().getSource(t); |
119 | 0 | Object targetState = Model.getFacade().getTarget(t); |
120 | 0 | if (isSomeSubvertexOf(sourceState, dm) && !isSomeSubvertexOf(targetState, dm)) { |
121 | 0 | return NO_PROBLEM; |
122 | } | |
123 | 0 | } |
124 | ||
125 | 0 | return PROBLEM_FOUND; |
126 | } | |
127 | ||
128 | /** | |
129 | * Test if a state is contained within a composite state recursively. | |
130 | * This is done by checking if the parent of the subject | |
131 | * equals the composite, or the parent of the parent, etc. | |
132 | * | |
133 | * @param subject the StateVertex that is investigated | |
134 | * @param composite the Composite state that may or may not contain the subject | |
135 | * @return true if and only if the given composite contains recursively the given subject | |
136 | */ | |
137 | private boolean isSomeSubvertexOf(Object subject, Object composite) { | |
138 | 0 | Object c = subject; |
139 | 0 | while (c != null) { |
140 | 0 | if (c == composite) { |
141 | 0 | return true; |
142 | } | |
143 | 0 | c = Model.getFacade().getContainer(c); |
144 | } | |
145 | 0 | return false; |
146 | } | |
147 | ||
148 | /* | |
149 | * @see org.argouml.uml.cognitive.critics.CrUML#getCriticizedDesignMaterials() | |
150 | */ | |
151 | public Set<Object> getCriticizedDesignMaterials() { | |
152 | 900 | Set<Object> ret = new HashSet<Object>(); |
153 | 900 | ret.add(Model.getMetaTypes().getStateVertex()); |
154 | 900 | return ret; |
155 | } | |
156 | ||
157 | } |