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

Classes in this File | Line Coverage | Branch Coverage | Complexity
Var |
95% |
100% |
| 1.1666666666666667;1.167

1 |  |
     /*
2 |  |
      * Licensed to the Apache Software Foundation (ASF) under one or more
3 |  |
      * contributor license agreements.  See the NOTICE file distributed with
4 |  |
      * this work for additional information regarding copyright ownership.
5 |  |
      * The ASF licenses this file to You under the Apache License, Version 2.0
6 |  |
      * (the "License"); you may not use this file except in compliance with
7 |  |
      * the License.  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 |  |
     package org.apache.commons.scxml.model;
18 |  |
19 |  |
     import java.util.Collection;
20 |  |
21 |  |
     import org.apache.commons.logging.Log;
22 |  |
     import org.apache.commons.scxml.Context;
23 |  |
     import org.apache.commons.scxml.ErrorReporter;
24 |  |
     import org.apache.commons.scxml.Evaluator;
25 |  |
     import org.apache.commons.scxml.EventDispatcher;
26 |  |
     import org.apache.commons.scxml.SCInstance;
27 |  |
     import org.apache.commons.scxml.SCXMLExpressionException;
28 |  |
     import org.apache.commons.scxml.TriggerEvent;
29 |  |
30 |  |
     /**
31 |  |
      * The class in this SCXML object model that corresponds to the
32 |  |
      * &lt;var&gt; SCXML element.
33 |  |
      *
34 |  |
      */
35 |  |
     public class Var extends Action {
36 |  |
37 |  |
         /**
38 |  |
          * Serial version UID.
39 |  |
          */
40 |  |
         private static final long serialVersionUID = 1L;
41 |  |
42 |  |
         /**
43 |  |
          * The name of the variable to be created.
44 |  |
          */
45 |  |
         private String name;
46 |  |
47 |  |
         /**
48 |  |
          * The expression that evaluates to the initial value of the variable.
49 |  |
          */
50 |  |
         private String expr;
51 |  |
52 |  |
         /**
53 |  |
          * Constructor.
54 |  |
          */
55 |  |
         public Var() {
56 | 38 |
             super();
57 | 38 |
         }
58 |  |
59 |  |
         /**
60 |  |
          * Get the expression that evaluates to the initial value
61 |  |
          * of the variable.
62 |  |
          *
63 |  |
          * @return String Returns the expr.
64 |  |
          */
65 |  |
         public final String getExpr() {
66 | 6 |
             return expr;
67 |  |
         }
68 |  |
69 |  |
         /**
70 |  |
          * Set the expression that evaluates to the initial value
71 |  |
          * of the variable.
72 |  |
          *
73 |  |
          * @param expr The expr to set.
74 |  |
          */
75 |  |
         public final void setExpr(final String expr) {
76 | 38 |
             this.expr = expr;
77 | 38 |
         }
78 |  |
79 |  |
         /**
80 |  |
          * Get the name of the (new) variable.
81 |  |
          *
82 |  |
          * @return String Returns the name.
83 |  |
          */
84 |  |
         public final String getName() {
85 | 6 |
             return name;
86 |  |
         }
87 |  |
88 |  |
         /**
89 |  |
          * Set the name of the (new) variable.
90 |  |
          *
91 |  |
          * @param name The name to set.
92 |  |
          */
93 |  |
         public final void setName(final String name) {
94 | 38 |
             this.name = name;
95 | 38 |
         }
96 |  |
97 |  |
         /**
98 |  |
          * {@inheritDoc}
99 |  |
          */
100 |  |
         public void execute(final EventDispatcher evtDispatcher,
101 |  |
                 final ErrorReporter errRep, final SCInstance scInstance,
102 |  |
                 final Log appLog, final Collection derivedEvents)
103 |  |
         throws ModelException, SCXMLExpressionException {
104 | 34 |
             Context ctx = scInstance.getContext(getParentState());
105 | 34 |
             Evaluator eval = scInstance.getEvaluator();
106 | 34 |
             ctx.setLocal(getNamespacesKey(), getNamespaces());
107 | 34 |
             Object varObj = eval.eval(ctx, expr);
108 | 34 |
             ctx.setLocal(getNamespacesKey(), null);
109 | 34 |
             ctx.setLocal(name, varObj);
110 | 34 |
             if (appLog.isDebugEnabled()) {
111 | 0 |
                 appLog.debug("<var>: Defined variable '" + name
112 |  |
                     + "' with initial value '" + String.valueOf(varObj) + "'");
113 |  |
             }
114 | 34 |
             TriggerEvent ev = new TriggerEvent(name + ".change",
115 |  |
                     TriggerEvent.CHANGE_EVENT);
116 | 34 |
             derivedEvents.add(ev);
117 | 34 |
         }
118 |  |
119 |  |
     }
120 |  |