Hello there,

        I have tried setVariable in InstanceManagementAPI of ODE 2.0,but it 
changed noting but to return a xmlInfo of the variable.
        So, I went to check the source code of setVariable from 
https://github.com/apache/ode/commit/8e8b2f09a2b1e7845fca7d4b6eec524ca7217ff9.
        And I found that the whole codes related with DAO is just as follow:
        line 491         ScopeDAO scope = session.getScope(new Long(scopeId));
        line 497         scope.getProcessInstance().getInstanceId().toString()
        line 500         XmlDataDAO var = scope.getVariable(varName);
        Obviously, this will change nothing of Scope but to get some values of 
it.
        Then, a view of ScopeDao.java indicates that there is no variable set 
like method.
        What Scope.getVaribale(varName) got is in private  HashMap<String, 
XmlDataDAO> _variables.
        Above all, what I want to do is to modify the value of variable in 
running process.
        Using managementAPI is the best but the setVariable seems 
ineffective.What should I do with my need? 
        Directly query derby database and change the variable? Or using Java 
reflect mechanism to modify the variable in memory?
        I really want to get help of you, my friend !       



Chris Wong

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