[rules-users] Stateful Session giving major issues

[Wolfgang Laun]

On 26/01/2013, starfish15 <pooja.ghosh at accenture.com> wrote:
> Hello,
>
> I am using Drools 5.2. I am not sure why not able to find the result here.
> I am supposed to get the value from the Action in this rule as shown below.
> But its never found. Kindly assist me with what is it that i have'nt
> included.

You haven't included any proof that the three facts you insert
match the conditions for their properties: CD == "ES", EOC_IN == "Y",
IN == "N" and CMPG == 123, 01_NO == "12" and dummyCond == "result",
respectively.

-W

>
> First the rules
>
> //generated from Decision Table
> import boa.poc.java.SSI;
> import boa.poc.java.CMPG_REF;
> import boa.poc.java.Result_Rules;
> // rule values at C12, header at C7
> rule "Access sql table_12"
> when
> ssi : SSI(CD == "ES", EOC_IN == "Y", IN == "N")
> cmpgRef : CMPG_REF(CMPG == 123, 01_NO == "12")
> result : Result_Rules(dummyCond == "result")
> then
> result.setDummyAction("Access I");
> end
>
> Second the code
> 		
> 			@SuppressWarnings("rawtypes")
> 			public HashMap<String, List> retrievRuleResult(HashMap hm) {
> 				try {
> 					// load up the knowledge base
> 					KnowledgeBase kbase = readKnowledgeBase();
>
> 					SSI ssi = (SSI)hm.get("pa_cycle_ssi");
> 					CMPG_REF cmpRef = (CMPG_REF)hm.get("pa_cmpg_ref");
> 					Result_Rules rulesResult = (Result_Rules)hm.get("dummyCond");
> 					
> 					StatefulKnowledgeSession ksession =
> kbase.newStatefulKnowledgeSession();
> 					ksession.insert(ssi);
> 					ksession.insert(cmpRef);
> 					ksession.insert(rulesResult);
> 					ksession.fireAllRules();
> 					ksession.dispose();			
> 					
> 					System.out.println("Result 1 : "+rulesResult.getDummyAction());
> 														
> 			return ;
> 			}
>
>
> public KnowledgeBase readKnowledgeBase() throws Exception {
>
> 				KnowledgeBuilder kbuilder =
> KnowledgeBuilderFactory.newKnowledgeBuilder();		
> 				 	
> 			
> kbuilder.add(ResourceFactory.newClassPathResource("poc/rules/rules.pkg"),
> ResourceType.PKG);
> 				KnowledgeBuilderErrors errors = kbuilder.getErrors();
> 				if (errors.size() > 0) {
> 					for (KnowledgeBuilderError error: errors) {
> 						System.err.println(error);
> 					}
> 					throw new IllegalArgumentException("Could not parse knowledge.");
> 				}
> 				KnowledgeBase kbase = kbuilder.newKnowledgeBase();
> 													
> 				return kbase;
> 			}
>
>
>
> --
> View this message in context:
> http://drools.46999.n3.nabble.com/Stateful-Session-giving-major-issues-tp4021832.html
> Sent from the Drools: User forum mailing list archive at Nabble.com.
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