[jboss-user] [JBoss jBPM] - Re: bpws.getVariableData as predicate is not supported?
meghanai_99
do-not-reply at jboss.com
Tue Sep 11 14:37:30 EDT 2007
Hello Alex,
I modified query.functions.xml to resemble expressions.functions.xml.
| <?xml version="1.0" encoding="UTF-8"?>
| <functionContext class="org.jaxen.XPathFunctionContext"
| xmlns:bpel11="http://schemas.xmlsoap.org/ws/2003/03/business-process/"
| xmlns:bpel2="http://schemas.xmlsoap.org/ws/2004/03/business-process/">
| <function name="bpel11:getVariableData" class="org.jbpm.bpel.sublang.xpath.GetVariableDataFunction" />
| <function name="bpel11:getVariableProperty" class="org.jbpm.bpel.sublang.xpath.GetVariablePropertyFunction" />
| <function name="bpel2:getVariableProperty" class="org.jbpm.bpel.sublang.xpath.GetVariablePropertyFunction" />
| </functionContext>
But my 'getVariableData' still does not get resolved :( I thought jaxen would take care of it once the functions are registered but the problem is when it gets to 'GetVariableDataFunction', it loses the context. In that class, I see this code -
| // find variable definition
| String variableName = StringFunction.evaluate(variableArg, nav);
| ScopeVariableContext variableContext = (ScopeVariableContext) context.getContextSupport()
| .getVariableContext();
| VariableDefinition variable = variableContext.getVariableDefinition(variableName);
|
But in my case, the context is SimpleVariableContext and it is empty. How do I pass on the correct context? Does that mean XPathQueryEvaluator's overridden 'getContext' method does not provide back correct context to Jaxen?
I would really appreciate if you can assist me here a little. This is a showstopper for us.
I am interested in fixing this asap and providing it back to JBPM community. I don't know the process but I think this is a basic functionality inside while loop so other users can benefit from it as well.
Thanks,
Meghana
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