[jbpm-users] Context Variable Mappings

[Andrew Norman]

I am trying to get a non serialisable object to be stored in the context
of a workflow process. 

I have updated the jbpm.cfg.xml file to point to my modiffed varmapping
file, I then added the following XML snippet into jbpm.varmapping.xml
file.

    <jbpm-type>
		<matcher>
			<bean class="com.erudine.MyMatcher" />
		</matcher>
		<converter class="com.erudine.MyConvertor" />
		<variable-instance
class="org.jbpm.context.exe.variableinstance.StringInstance" />
    </jbpm-type>

I have written a Junit test case to verify that the number of types
returned by the call JbpmType.getJbpmTypes() matches the number the is
declared in the modified mapping file.

MyMatcher class just contains a "return obj instanceof MyClass" in it
and the convertor object just returns a constant test string as the
conversion to and from the database.

If I step through the list of the JbpmTypes from the object factory
calling match() with an instant of MyClass I get a null pointer from the
JbpmType that I think corresponds to the one I have written.

If I run a workflow ProcessInstance containing an action handler that
attempts to store an instance of MyClass I get an hibernate exception
complaining that I was attempting to put a non persistent variable into
a persistent store.

Any suggestions would be helpful, I am at my wits end trying to get this
fixed ... I expect I have missed a simple step somewhere.

___________________________ 
Andrew Norman
Developer
www.erudine.com <http://www.erudine.com/> 
T: +44 (0) 1423 522 336
M: +44 (0) 7824 310 089
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