@Test
public void testFromWithOr() throws Exception {
KnowledgeBuilder builder = KnowledgeBuilderFactory.newKnowledgeBuilder();
builder.add(
ResourceFactory.newInputStreamResource(
getClass().getResourceAsStream("test_FromWithOr.drl")),
ResourceType.DRL);
if (builder.hasErrors()) {
logger.info(builder.getErrors().toString());
}
assertFalse(builder.hasErrors());
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages(builder.getKnowledgePackages());
final StatefulKnowledgeSession session = createKnowledgeSession(kbase);
final List<Address> results = new ArrayList<Address>();
session.setGlobal("results", results);
Address a1 = new Address();
a1.setZipCode("12345");
Address a2 = new Address();
a2.setZipCode("54321");
Address a3 = new Address();
a3.setZipCode("99999");
Person p = new Person();
p.addAddress(a1);
p.addAddress(a2);
p.addAddress(a3);
session.insert(p);
session.fireAllRules();
assertEquals(2, results.size());
assertTrue(results.contains(a1));
assertTrue(results.contains(a2));
}
@Test
public void testArrayAccessorWithStaticFieldAccess() {
String str =
""
+ "package org.drools.compiler.test \n"
+ "import "
+ Person.class.getCanonicalName()
+ "\n"
+ "import "
+ Address.class.getCanonicalName()
+ "\n"
+ "import "
+ Triangle.class.getCanonicalName()
+ "\n"
+ "global java.util.List list \n"
+ "rule \"show\" \n"
+ "when \n"
+ " $m : Person( addresses[Triangle.ZERO] == new Address('s1'), addresses[Triangle.ZERO].street == new Address('s1').street ) \n"
+ "then \n"
+ " list.add('r1'); \n"
+ "end \n";
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(ResourceFactory.newByteArrayResource(str.getBytes()), ResourceType.DRL);
if (kbuilder.hasErrors()) {
fail(kbuilder.getErrors().toString());
}
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
StatefulKnowledgeSession ksession = createKnowledgeSession(kbase);
List list = new ArrayList();
ksession.setGlobal("list", list);
Person p = new Person("yoda");
p.addAddress(new Address("s1"));
ksession.insert(p);
ksession.fireAllRules();
assertEquals("r1", list.get(0));
// Check it was built with MVELReturnValueExpression constraint
List<ObjectTypeNode> nodes = ((InternalKnowledgeBase) kbase).getRete().getObjectTypeNodes();
ObjectTypeNode node = null;
for (ObjectTypeNode n : nodes) {
if (((ClassObjectType) n.getObjectType()).getClassType() == Person.class) {
node = n;
break;
}
}
AlphaNode alphanode = (AlphaNode) node.getSinkPropagator().getSinks()[0];
AlphaNodeFieldConstraint constraint = alphanode.getConstraint();
if (constraint instanceof MvelConstraint) {
assertTrue(
((MvelConstraint) alphanode.getConstraint()).getFieldExtractor()
instanceof MVELObjectClassFieldReader);
assertEquals(
new Address("s1"), ((MvelConstraint) alphanode.getConstraint()).getField().getValue());
}
alphanode = (AlphaNode) alphanode.getSinkPropagator().getSinks()[0];
constraint = alphanode.getConstraint();
if (constraint instanceof MvelConstraint) {
assertTrue(
((MvelConstraint) alphanode.getConstraint()).getFieldExtractor()
instanceof MVELObjectClassFieldReader);
assertEquals(
new Address("s1").getStreet(),
((MvelConstraint) alphanode.getConstraint()).getField().getValue());
}
}