Hello,
I'm new to drools and have problems with globals or with the different
behaviour of drools depending on how the globals are specified.
I have the following simple rule:
global String test
rule "Global"
when
then
System.out.println(test);
end
If i run the rule with:
KnowledgeBase kb = getKnowledgeBase("global.drl");
StatelessKnowledgeSession ses = kb.newStatelessKnowledgeSession();
ses.setGlobal("test2", "foo");
ses.execute("");
I get the expected result of null printed
but if I use commands:
KnowledgeBase kb = getKnowledgeBase("global.drl");
StatelessKnowledgeSession ses = kb.newStatelessKnowledgeSession();
List<Command<?>> cmds = new ArrayList<Command<?>>();
cmds.add(CommandFactory.newSetGlobal("test2", "bar"));
cmds.add(CommandFactory.newInsert(""));
ses.execute(CommandFactory.newBatchExecution(cmds));
I get java.lang.RuntimeException: Unexpected global [test2]
Why is the behaviour different and which one is correct?
Regards,
Samuli
--
Remion Oy Etävalvontajärjestelmät liiketoiminnan
Samuli Saarinen tehostamiseen
gsm +358 (0)50 3560075
fax +358 (0)3 2125064 www.remion.com
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