private KnowledgeBase buildKnowledgeBase(String... rules) {
String str = "";
str += "package org.kie \n";
str += "import " + A.class.getCanonicalName() + "\n";
str += "import " + B.class.getCanonicalName() + "\n";
str += "import " + C.class.getCanonicalName() + "\n";
str += "global java.util.List list \n";
int i = 0;
for (String lhs : rules) {
str += "rule rule" + (i++) + " when \n";
str += lhs;
str += "then \n";
str += "end \n";
}
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(ResourceFactory.newByteArrayResource(str.getBytes()), ResourceType.DRL);
assertFalse(kbuilder.getErrors().toString(), kbuilder.hasErrors());
KieBaseConfiguration kconf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
kconf.setOption(LRUnlinkingOption.ENABLED);
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase(kconf);
kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
return kbase;
}
public void testProcessFactory() {
RuleFlowProcessFactory factory = RuleFlowProcessFactory.createProcess("org.jbpm.process");
factory
// header
.name("My process")
.packageName("org.jbpm")
// nodes
.startNode(1)
.name("Start")
.done()
.actionNode(2)
.name("Action")
.action("java", "System.out.println(\"Action\");")
.done()
.endNode(3)
.name("End")
.done()
// connections
.connection(1, 2)
.connection(2, 3);
RuleFlowProcess process = factory.validate().getProcess();
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(
ResourceFactory.newByteArrayResource(
XmlBPMNProcessDumper.INSTANCE.dump(process).getBytes()),
ResourceType.BPMN2);
KnowledgeBase kbase = kbuilder.newKnowledgeBase();
StatefulKnowledgeSession ksession = createKnowledgeSession(kbase);
ksession.startProcess("org.jbpm.process");
}
@Test
public void testUpdateWithNonEffectiveActivations() throws Exception {
// JBRULES-3604
String str =
"package inheritance\n"
+ "\n"
+ "import org.drools.Address\n"
+ "\n"
+ "rule \"Parent\"\n"
+ " enabled false\n"
+ " when \n"
+ " $a : Address(suburb == \"xyz\")\n"
+ " then \n"
+ " System.out.println( $a ); \n"
+ "end \n"
+ "rule \"Child\" extends \"Parent\" \n"
+ " when \n"
+ " $b : Address( this == $a, street == \"123\")\n"
+ " then \n"
+ " System.out.println( $b ); \n"
+ "end";
KnowledgeBuilder builder = KnowledgeBuilderFactory.newKnowledgeBuilder();
builder.add(ResourceFactory.newByteArrayResource(str.getBytes()), ResourceType.DRL);
if (builder.hasErrors()) {
throw new RuntimeException(builder.getErrors().toString());
}
KieBaseConfiguration kconf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
kconf.setOption(LRUnlinkingOption.ENABLED);
KnowledgeBase knowledgeBase = KnowledgeBaseFactory.newKnowledgeBase(kconf);
knowledgeBase.addKnowledgePackages(builder.getKnowledgePackages());
StatefulKnowledgeSession ksession = knowledgeBase.newStatefulKnowledgeSession();
Address address = new Address();
address.setSuburb("xyz");
org.kie.runtime.rule.FactHandle addressHandle = ksession.insert(address);
int rulesFired = ksession.fireAllRules();
assertEquals(0, rulesFired);
address.setStreet("123");
ksession.update(addressHandle, address);
rulesFired = ksession.fireAllRules();
System.out.println(rulesFired);
assertEquals(1, rulesFired);
ksession.dispose();
}
private void addRuleAssetToVerifier() {
ContentHandler handler = ContentManager.getHandler(ruleAsset.getFormat());
if (!(handler instanceof IRuleAsset)) {
throw new IllegalStateException("IRuleAsset Expected");
}
RuleModel model = (RuleModel) ruleAsset.getContent();
String brl = BRXMLPersistence.getInstance().marshal(model);
verifier.addResourcesToVerify(
ResourceFactory.newByteArrayResource(brl.getBytes()), ResourceType.BRL);
}
@Test
public void testCompilationMustFailComparingAClassLiteral() {
// DROOLS-20
String str =
"import org.drools.integrationtests.MiscTest2.Answer\n"
+ "import org.drools.integrationtests.MiscTest2.AnswerGiver\n"
+ "rule \"Test Rule\"\n"
+ "when\n"
+ " AnswerGiver(Answer == Answer.YES)\n"
+ "then\n"
+ "end";
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(ResourceFactory.newByteArrayResource(str.getBytes()), ResourceType.DRL);
assertTrue(kbuilder.hasErrors());
}
@Test
public void testClassNotFoundAfterDeserialization() throws Exception {
// JBRULES-3670
String drl =
"package completely.other.deal;\n"
+ "\n"
+ "declare Person\n"
+ " firstName : String\n"
+ " lastName : String\n"
+ "end\n"
+ "\n"
+ "rule \"now use it B\"\n"
+ " when\n"
+ " Person( $christianName, $surname; )\n"
+ " then\n"
+ " insert( new Person( $christianName, null ) );\n"
+ "end";
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(ResourceFactory.newByteArrayResource(drl.getBytes()), ResourceType.DRL);
if (kbuilder.hasErrors()) {
throw new RuntimeException("" + kbuilder.getErrors());
}
FileManager fileManager = new FileManager().setUp();
try {
File root = fileManager.getRootDirectory();
ObjectOutputStream out =
new ObjectOutputStream(new FileOutputStream(new File(root, "test.drl.compiled")));
out.writeObject(kbuilder.getKnowledgePackages());
out.close();
KieBaseConfiguration kconf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
kconf.setOption(LRUnlinkingOption.ENABLED);
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase(kconf);
ObjectInputStream in =
new ObjectInputStream(new FileInputStream(new File(root, "test.drl.compiled")));
kbase.addKnowledgePackages((Collection<KnowledgePackage>) in.readObject());
in.close();
} finally {
fileManager.tearDown();
}
}
@Test
public void testMVELForLoop() throws Exception {
// JBRULES-3717
String str =
"rule demo\n"
+ "dialect \"mvel\"\n"
+ "when\n"
+ "then\n"
+ " for ( int i = 1; i <= 3; i++ ) {\n"
+ " insert( \"foo\" + i );\n"
+ " }\n"
+ "end";
KnowledgeBuilder builder = KnowledgeBuilderFactory.newKnowledgeBuilder();
builder.add(ResourceFactory.newByteArrayResource(str.getBytes()), ResourceType.DRL);
if (builder.hasErrors()) {
throw new RuntimeException(builder.getErrors().toString());
}
}
@Test
public void testDynamicAddRule() {
// DROOLS-17
String str =
"import org.drools.integrationtests.MiscTest2.A\n"
+ "rule r1 when\n"
+ " $a : A( f1 == 1 )\n"
+ "then\n"
+ "end\n"
+ "\n"
+ "rule r2 when\n"
+ " $a : A( f2 == 1 )\n"
+ "then\n"
+ "end\n"
+ "\n"
+ "rule r3 when\n"
+ " $a : A( f3 == 1 )"
+ "then\n"
+ "end";
String str2 =
"import org.drools.integrationtests.MiscTest2.A\n"
+ "rule r4 when\n"
+ " $a : A( f2 == 1, f4 == 1 )"
+ "then\n"
+ "end";
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 = kbase.newStatefulKnowledgeSession();
FactHandle fh = ksession.insert(new A(1, 1, 1, 1));
ksession.fireAllRules();
kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(ResourceFactory.newByteArrayResource(str2.getBytes()), ResourceType.DRL);
if (kbuilder.hasErrors()) {
fail(kbuilder.getErrors().toString());
}
kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
ksession.fireAllRules();
// this second insert forces the regeneration of the otnIds
ksession.insert(new A(2, 2, 2, 2));
LeftTuple leftTuple = ((DefaultFactHandle) fh).getFirstLeftTuple();
ObjectTypeNode.Id letTupleOtnId = leftTuple.getLeftTupleSink().getLeftInputOtnId();
leftTuple = leftTuple.getLeftParentNext();
while (leftTuple != null) {
assertTrue(letTupleOtnId.before(leftTuple.getLeftTupleSink().getLeftInputOtnId()));
letTupleOtnId = leftTuple.getLeftTupleSink().getLeftInputOtnId();
leftTuple = leftTuple.getLeftParentNext();
}
}