@Test
public void testForall() throws Exception {
final PackageBuilder builder = new PackageBuilder();
builder.addPackageFromDrl(
new InputStreamReader(getClass().getResourceAsStream("test_Forall.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 State state = new State("SP");
workingMemory.insert(state);
final Person bob = new Person("Bob");
bob.setStatus(state.getState());
bob.setLikes("stilton");
workingMemory.insert(bob);
workingMemory.fireAllRules();
assertEquals(0, list.size());
workingMemory.insert(new Cheese(bob.getLikes(), 10));
workingMemory.fireAllRules();
assertEquals(1, list.size());
}
@Test
public void testForall2() throws Exception {
final KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(
ResourceFactory.newInputStreamResource(getClass().getResourceAsStream("test_Forall2.drl")),
ResourceType.DRL);
assertFalse(kbuilder.getErrors().toString(), kbuilder.hasErrors());
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
final StatefulKnowledgeSession ksession = createKnowledgeSession(kbase);
final List<String> list = new ArrayList<String>();
ksession.setGlobal("results", list);
final State state = new State("SP");
ksession.insert(state);
final Person bob = new Person("Bob");
bob.setStatus(state.getState());
bob.setAlive(true);
ksession.insert(bob);
ksession.fireAllRules();
assertEquals(0, list.size());
final State qc = new State("QC");
ksession.insert(qc);
final Person john = new Person("John");
john.setStatus(qc.getState());
john.setAlive(false);
ksession.fireAllRules();
assertEquals(1, list.size());
}