private KnowledgeBase loadKnowledgeBase(String fileName) {
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(ResourceFactory.newClassPathResource(fileName, getClass()), ResourceType.DRL);
KnowledgeBuilderErrors errors = kbuilder.getErrors();
if (errors.size() > 0) {
for (KnowledgeBuilderError error : errors) {
logger.warn(error.toString());
}
throw new IllegalArgumentException("Could not parse knowledge.");
}
assertFalse(kbuilder.hasErrors());
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
Collection<KnowledgePackage> knowledgePackages = kbuilder.getKnowledgePackages();
kbase.addKnowledgePackages(knowledgePackages);
return kbase;
}
private KnowledgeBase readKnowledgeBase(String resource) throws Exception {
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
DecisionTableConfiguration config = KnowledgeBuilderFactory.newDecisionTableConfiguration();
config.setInputType(DecisionTableInputType.XLS);
kbuilder.add(
ResourceFactory.newClassPathResource(resource, getClass()), ResourceType.DTABLE, config);
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 = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
return kbase;
}
@Test
public void testCollectAfterOrCE() throws Exception {
// Set up facts
final Cheesery bonFromage = new Cheesery();
bonFromage.addCheese(new Cheese("cheddar"));
bonFromage.addCheese(new Cheese("cheddar"));
// Test in memory compile of DRL
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(
ResourceFactory.newClassPathResource("test_OrCEFollowedByCollect.drl", getClass()),
ResourceType.DRL);
KnowledgeBuilderErrors errors = kbuilder.getErrors();
if (errors.size() > 0) {
for (KnowledgeBuilderError error : errors) {
logger.warn(error.toString());
}
throw new IllegalArgumentException("Could not parse knowledge.");
}
assertFalse(kbuilder.hasErrors());
Collection<KnowledgePackage> knowledgePackages = kbuilder.getKnowledgePackages();
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages(knowledgePackages);
StatefulKnowledgeSession session = createKnowledgeSession(kbase);
session.insert(bonFromage);
int rules = session.fireAllRules();
assertEquals(2, rules);
// Serialize and test again
knowledgePackages = SerializationHelper.serializeObject(knowledgePackages);
kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages(knowledgePackages);
session = createKnowledgeSession(kbase);
session.insert(bonFromage);
rules = session.fireAllRules();
assertEquals(2, rules);
}
