Hello,
I am trying to use the EntityManager within a rule. I pass the
EntityManager instance in from my test (currently just a mock of the
interface using EasyMock) using setGlobal("em", entitymanager);
so in my drls, I have:
<code>
global javax.persistence.EntityManager em;
</code>
And then I use this in my LHS of the rule with a from:
<code>
rule "query-db"
when
SampleObject(property from (em.createNativeQuery("select PROP from
SAMPLEOBJECT").getResultList()))
then
System.out.println("Got an object!");
end
</code>
However, when I run my JUnit test, I get an error saying "unexpected token
'PROP'". So it looks like the Drools parser is trying to interpret what is
in my string. Is there a special way to pass a string to the Java
operation? Or can I simply not do this? How would I be able to get a
result set from the db to use in pattern matching? The rule is dependent
upon data from a table to make a decision.
Thanks,
David Siefert
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