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package org.fusesource.demo.main; | |
import org.kie.api.definition.type.FactType; | |
import org.kie.api.io.ResourceType; | |
import org.kie.internal.KnowledgeBase; | |
import org.kie.internal.KnowledgeBaseFactory; | |
import org.kie.internal.builder.KnowledgeBuilder; | |
import org.kie.internal.builder.KnowledgeBuilderFactory; | |
import org.kie.internal.io.ResourceFactory; | |
import org.kie.internal.runtime.StatefulKnowledgeSession; | |
import org.slf4j.Logger; | |
import org.slf4j.LoggerFactory; | |
public class MainApp4 { | |
private static final Logger logger = LoggerFactory.getLogger(MainApp4.class); | |
public static void main(String[] args) throws Exception { | |
Knowledge kie = new Knowledge(); | |
kie.build(); | |
} | |
static protected StatefulKnowledgeSession createKnowledgeSession(KnowledgeBase kbase) { | |
return kbase.newStatefulKnowledgeSession(); | |
} | |
public static class Knowledge { | |
public void build() throws IllegalAccessException, InstantiationException { | |
/* KieServices ks = KieServices.Factory.get(); | |
KieFileSystem kfs = ks.newKieFileSystem(); | |
Resource res = ResourceFactory.newClassPathResource("changeset.xml",getClass()) | |
.setResourceType(ResourceType.CHANGE_SET); | |
kfs.write(res); | |
KieBuilder kbi = ks.newKieBuilder(kfs).buildAll(); | |
// Create Session | |
KieSession kse = ks.newKieContainer(ks.getRepository().getDefaultReleaseId()).newKieSession(); | |
// Create KieBase | |
KieBase kbase = kse.getKieBase();*/ | |
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder(); | |
kbuilder.add(ResourceFactory.newClassPathResource("changeset.xml", | |
getClass()), | |
ResourceType.CHANGE_SET); | |
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase(); | |
kbase.addKnowledgePackages(kbuilder.getKnowledgePackages()); | |
StatefulKnowledgeSession kse = createKnowledgeSession(kbase); | |
FactType loanType = kbase.getFactType("mortgages","LoanApplication"); | |
FactType applicantType = kbase.getFactType("mortgages","Applicant"); | |
FactType incomeType = kbase.getFactType("mortgages", "IncomeSource"); | |
logger.info(">> FactTypes created for LoanApplication, Applicant, IncomeSource"); | |
Object loan = loanType.newInstance(); | |
loanType.set(loan, "amount", 200000); | |
loanType.set(loan, "deposit", 1500); | |
loanType.set(loan, "lengthYears", 30); | |
Object applicant = applicantType.newInstance(); | |
applicantType.set(applicant,"name","charles"); | |
// applicantType.set(applicant,"creditRating","OK"); | |
// applicantType.set(applicant,"creditRating","Sub prime"); | |
applicantType.set(applicant,"age",35); | |
Object income = incomeType.newInstance(); | |
// incomeType.set(income, "type", "Job"); | |
incomeType.set(income, "type", "Asset"); | |
incomeType.set(income, "amount", 65000); | |
logger.info(">> Objects instantiated"); | |
kse.insert(loan); | |
kse.insert(applicant); | |
kse.insert(income); | |
logger.info(">> Facts added to the Session"); | |
kse.fireAllRules(); | |
logger.info(">> Rules fired"); | |
logger.info("The loan application is now:\n" + loan); | |
} | |
} | |
} |
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