Hello all,
I’m trying to add rules through my java code to a KnowledgeBase and I cannot find any easy way to do so. So far, the only solution I could think of, is to write the rule as DRL in a file that is “observed” by a KnowledgeAgent (same with a RuleAgent I suppose). Is it possible to create a new KnowledgePackage with the same name as the existing one and load it into the KnowledgeBuilder?
I manage to remove rules using the following code: statefulKnowledgeSession.getKnowledgeBase().removeRule(knowledgeSetName, ruleName);
I thought that there would be a addRule method somewhere but not luck so far.
The code I’m using to create my KnowledgeBase and StatefulKnowledgeSession is shown below.
All the best,
Pierre
StatefulKnowledgeSession creation code:
StatefulKnowledgeSession ksession;
KnowledgeBuilder kbuilder;
KnowledgeBase kbase;
kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(ResourceFactory.newFileResource(Demo.class.getResource(Demo.drlFile).getPath()), ResourceType.DRL);
if (kbuilder.hasErrors()) {
System.out.println(kbuilder.getErrors());
}
kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
ksession = kbase.newStatefulKnowledgeSession();
ksession.insert(…);
…
ksession.fireAllRules();
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