@Test
public void testFromInsideNotAndExists() throws Exception {
final PackageBuilder builder = new PackageBuilder();
builder.addPackageFromDrl(
new InputStreamReader(getClass().getResourceAsStream("test_FromInsideNotAndExists.drl")));
final Package pkg = builder.getPackage();
RuleBase ruleBase = getSinglethreadRuleBase();
ruleBase.addPackage(pkg);
ruleBase = SerializationHelper.serializeObject(ruleBase);
final WorkingMemory workingMemory = ruleBase.newStatefulSession();
final List list = new ArrayList();
workingMemory.setGlobal("results", list);
final Cheese cheddar = new Cheese("cheddar", 7);
final Cheese provolone = new Cheese("provolone", 5);
final Cheesery cheesery = new Cheesery();
cheesery.addCheese(cheddar);
cheesery.addCheese(provolone);
FactHandle handle = workingMemory.insert(cheesery);
workingMemory.fireAllRules();
assertEquals(0, list.size());
cheesery.addCheese(new Cheese("stilton", 10));
cheesery.removeCheese(cheddar);
workingMemory.update(handle, cheesery);
workingMemory.fireAllRules();
assertEquals(2, list.size());
}
@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);
}
@Test
public void testCollectWithNestedFromWithParams() throws Exception {
final PackageBuilder builder = new PackageBuilder();
builder.addPackageFromDrl(
new InputStreamReader(getClass().getResourceAsStream("test_CollectWithNestedFrom.drl")));
final Package pkg = builder.getPackage();
RuleBase ruleBase = getSinglethreadRuleBase();
ruleBase.addPackage(pkg);
ruleBase = SerializationHelper.serializeObject(ruleBase);
final WorkingMemory workingMemory = ruleBase.newStatefulSession();
final List results = new ArrayList();
workingMemory.setGlobal("results", results);
final Person bob = new Person("bob", "stilton");
Cheesery cheesery = new Cheesery();
cheesery.addCheese(new Cheese("stilton", 10));
cheesery.addCheese(new Cheese("brie", 20));
cheesery.addCheese(new Cheese("muzzarela", 8));
cheesery.addCheese(new Cheese("stilton", 5));
cheesery.addCheese(new Cheese("provolone", 1));
workingMemory.insert(bob);
workingMemory.insert(cheesery);
workingMemory.fireAllRules();
assertEquals(1, results.size());
List cheeses = (List) results.get(0);
assertEquals(2, cheeses.size());
assertEquals(bob.getLikes(), ((Cheese) cheeses.get(0)).getType());
assertEquals(bob.getLikes(), ((Cheese) cheeses.get(1)).getType());
}
