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		* <var> 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