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Posted to issues@commons.apache.org by "Rahul Akolkar (JIRA)" <ji...@apache.org> on 2008/04/26 03:57:57 UTC
[jira] Commented: (SCXML-67) can't have
[ https://issues.apache.org/jira/browse/SCXML-67?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12592545#action_12592545 ]
Rahul Akolkar commented on SCXML-67:
------------------------------------
I intend to close this issue as fixed in a week's time. Please post your comments if you're able to test by then.
> <state> can't have <parallel>
> ------------------------------
>
> Key: SCXML-67
> URL: https://issues.apache.org/jira/browse/SCXML-67
> Project: Commons SCXML
> Issue Type: Bug
> Affects Versions: 0.7
> Reporter: SeongSoo Park
> Fix For: 0.8
>
>
> According to the latest SCXML W/D the <state> can have <parallel> as its child.
> But, Commons SCXML 0.7 doesn't seems to support that.
> The org.apache.commons.scxml.io.SCXMLParser can't parse this scxml doc.
> <?xml version="1.0"?>
> <scxml xmlns="http://www.w3.org/2005/07/scxml" version="1.0"
> initialstate="microwave">
> <state id="microwave">
> <initial>
> <transition target="parts"/>
> </initial>
> <parallel id="parts">
> <state id="oven">
> <initial>
> <transition target="oven2"/>
> </initial>
> <state id= "oven2">
> <transition event="exit" target="dest"/>
> </state>
> </state>
> <state id="door">
> <initial>
> <transition target="door2"/>
> </initial>
> <state id= "door2">
> <transition event="e" target="dest"/>
> </state>
> </state>
> </parallel>
> </state>
> <state id= "dest" final ="true"/>
> </scxml>
> The SCXML engine generates the following exception during parsing the scxml doc.
> Exception in thread "main" java.lang.ClassCastException: org.apache.commons.scxml.model.Parallel
> at org.apache.commons.scxml.io.ModelUpdater.updateState(ModelUpdater.java:213)
> at org.apache.commons.scxml.io.ModelUpdater.updateSCXML(ModelUpdater.java:78)
> at org.apache.commons.scxml.io.SCXMLParser.parse(SCXMLParser.java:268)
> at org.apache.commons.scxml.io.SCXMLParser.parse(SCXMLParser.java:152)
> at org.apache.commons.scxml.test.StandaloneUtils.execute(StandaloneUtils.java:80)
> at org.apache.commons.scxml.test.StandaloneJexlExpressions.main(StandaloneJexlExpressions.java:60)
> So, I fixed the 'updateState()' in org.apache.commons.scxml.io.ModelUpdater class like this
> (and also org.apache.commons.scxml.io.SCXMLSerializer.serializeState() )
> ..........
> } else {
> Iterator j = c.keySet().iterator();
> /* ---- your code ----
> while (j.hasNext()) {
> updateState((State) c.get(j.next()), targets);
> }
> */
> /* ------- my fixed code ---------*/
> while (j.hasNext()) {
> TransitionTarget tt = (TransitionTarget) c.get(j.next());
> if (tt instanceof State) {
> updateState((State) tt, targets);
> } else {
> updateParallel((Parallel) tt, targets);
> }
> }
> /* ------------------------------------*/
> }
> } /* end of 'updateState()' */
> So, the engine works well.
> I think this is a critical bug.
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