##### Coverage Report - org.apache.commons.scxml.model.Var

Classes in this File | Line Coverage | Branch Coverage | Complexity
Var |
100% |
N/A |
| 1.0;1

1 |  |
     /*
2 |  |
      *
3 |  |
      *   Copyright 2005 The Apache Software Foundation.
4 |  |
      *
5 |  |
      *  Licensed under the Apache License, Version 2.0 (the "License");
6 |  |
      *  you may not use this file except in compliance with the License.
7 |  |
      *  You may obtain a copy of the License at
8 |  |
      *
9 |  |
      *      http://www.apache.org/licenses/LICENSE-2.0
10 |  |
      *
11 |  |
      *  Unless required by applicable law or agreed to in writing, software
12 |  |
      *  distributed under the License is distributed on an "AS IS" BASIS,
13 |  |
      *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 |  |
      *  See the License for the specific language governing permissions and
15 |  |
      *  limitations under the License.
16 |  |
      *
17 |  |
      */
18 |  |
     package org.apache.commons.scxml.model;
19 |  |
20 |  |
     import java.util.Collection;
21 |  |
22 |  |
     import org.apache.commons.logging.Log;
23 |  |
     import org.apache.commons.scxml.Context;
24 |  |
     import org.apache.commons.scxml.ErrorReporter;
25 |  |
     import org.apache.commons.scxml.Evaluator;
26 |  |
     import org.apache.commons.scxml.EventDispatcher;
27 |  |
     import org.apache.commons.scxml.SCInstance;
28 |  |
     import org.apache.commons.scxml.SCXMLExpressionException;
29 |  |
     import org.apache.commons.scxml.TriggerEvent;
30 |  |
31 |  |
     /**
32 |  |
      * The class in this SCXML object model that corresponds to the
33 |  |
      * &lt;var&gt; SCXML element.
34 |  |
      *
35 |  |
      */
36 |  |
     public class Var extends Action {
37 |  |
38 |  |
         /**
39 |  |
          * The name of the variable to be created.
40 |  |
          */
41 |  |
         private String name;
42 |  |
43 |  |
         /**
44 |  |
          * The expression that evaluates to the initial value of the variable.
45 |  |
          */
46 |  |
         private String expr;
47 |  |
48 |  |
         /**
49 |  |
          * Constructor.
50 |  |
          */
51 |  |
         public Var() {
52 | 33 |
             super();
53 | 33 |
         }
54 |  |
55 |  |
         /**
56 |  |
          * Get the expression that evaluates to the initial value
57 |  |
          * of the variable.
58 |  |
          *
59 |  |
          * @return String Returns the expr.
60 |  |
          */
61 |  |
         public final String getExpr() {
62 | 6 |
             return expr;
63 |  |
         }
64 |  |
65 |  |
         /**
66 |  |
          * Set the expression that evaluates to the initial value
67 |  |
          * of the variable.
68 |  |
          *
69 |  |
          * @param expr The expr to set.
70 |  |
          */
71 |  |
         public final void setExpr(final String expr) {
72 | 33 |
             this.expr = expr;
73 | 33 |
         }
74 |  |
75 |  |
         /**
76 |  |
          * Get the name of the (new) variable.
77 |  |
          *
78 |  |
          * @return String Returns the name.
79 |  |
          */
80 |  |
         public final String getName() {
81 | 6 |
             return name;
82 |  |
         }
83 |  |
84 |  |
         /**
85 |  |
          * Set the name of the (new) variable.
86 |  |
          *
87 |  |
          * @param name The name to set.
88 |  |
          */
89 |  |
         public final void setName(final String name) {
90 | 33 |
             this.name = name;
91 | 33 |
         }
92 |  |
93 |  |
         /**
94 |  |
          * {@inheritDoc}
95 |  |
          */
96 |  |
         public void execute(final EventDispatcher evtDispatcher,
97 |  |
                 final ErrorReporter errRep, final SCInstance scInstance,
98 |  |
                 final Log appLog, final Collection derivedEvents)
99 |  |
         throws ModelException, SCXMLExpressionException {
100 | 28 |
             Context ctx = scInstance.getContext(getParentState());
101 | 28 |
             Evaluator eval = scInstance.getEvaluator();
102 | 28 |
             Object varObj = eval.eval(ctx, expr);
103 | 28 |
             ctx.setLocal(name, varObj);
104 | 28 |
             TriggerEvent ev = new TriggerEvent(name + ".change",
105 |  |
                     TriggerEvent.CHANGE_EVENT);
106 | 28 |
             derivedEvents.add(ev);
107 | 28 |
         }
108 |  |
109 |  |
     }
110 |  |