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

Classes in this File Line Coverage Branch Coverage Complexity
Var
100% 
N/A 
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  
  * <var> 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