Hi all,
I am stuck trying to understand how to setup my drools system..
I am using Stream mode, with some negative rules, and a continuous stream
of facts.
Facts are evaluated and will in turn insert events into the memory if
required.
I thought it would be like this:
First, setup,
KnowledgeBaseConfiguration conf =
KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
conf.setOption(EventProcessingOption.STREAM);
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase(conf);
kbase.addKnowledgePackages(builder.getKnowledgePackages());
ksession = kbase.newStatefulKnowledgeSession();
Then we have ksession...
The code that handles an incoming message will have a reference to
ksession..
and it will run:
WorkingMemoryEntryPoint eStream =
ksession.getWorkingMemoryEntryPoint("MessageStream");
eStream.insert(msg);
ksession.fireAllRules();
but here is my problem...
as some rules have things like not(Event(this after [0s,90m] $a))
then the fireAllRules can wait for the 90minutes to pass before completing..
How do I do it so that there is one WorkingMemory,
and I can pump facts into that memory and the engine just keeps running and
my 'inputter' doesn't hang..?
Thanks
Ric
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