@Test
public void testAnalyzeConditionWithVariableRegExp() throws Exception {
// JBRULES-3659
String str =
"dialect \"mvel\"\n"
+ "\n"
+ "declare Person\n"
+ " name : String\n"
+ "end\n"
+ "declare Stuff\n"
+ " regexp : String\n"
+ "end\n"
+ "\n"
+ "rule \"Test Regex\"\n"
+ " salience 100\n"
+ " when\n"
+ " then\n"
+ " insert (new Stuff(\"Test\"));\n"
+ " insert (new Person(\"Test\"));\n"
+ "end\n"
+ "\n"
+ "rule \"Test Equality\"\n"
+ " salience 10\n"
+ " when\n"
+ " Stuff( $regexp : regexp )\n"
+ " Person( name matches $regexp )\n"
+ " //Person( name matches \"Test\" )\n"
+ " then\n"
+ "end\n";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
assertEquals(2, ksession.fireAllRules());
}
@Test
public void testJitConstraintWithOperationOnBigDecimal() {
// DROOLS-32
String str =
"import org.drools.integrationtests.MiscTest2.Model;\n"
+ "import java.math.BigDecimal;\n"
+ "\n"
+ "rule \"minCost\" dialect \"mvel\" \n"
+ "when\n"
+ " $product : Model(price < (cost + 0.10B))\n"
+ "then\n"
+ " modify ($product) { price = $product.cost + 0.10B }\n"
+ "end";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
final Model model = new Model();
model.setCost(new BigDecimal("2.43"));
model.setPrice(new BigDecimal("2.43"));
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
ksession.insert(model);
int fired = ksession.fireAllRules(2);
if (fired > 1) throw new RuntimeException("loop");
}
public Void execute(Context context) {
em.joinTransaction();
em.persist(mainObject);
if (subObject != null) {
KieSession ksession = ((KnowledgeCommandContext) context).getKieSession();
// THe following 3 lines are the important ones! (See below for an explanation)
KnowledgeBase cleanKBase = KnowledgeBaseFactory.newKnowledgeBase();
cleanKBase.addKnowledgePackages(
((KnowledgeBase) ksession.getKieBase()).getKnowledgePackages());
StatefulKnowledgeSession commandKSession =
JPAKnowledgeService.newStatefulKnowledgeSession(
cleanKBase, null, initializeEnvironment());
/**
* Here's what's going on: If the SingleSessionCommandService (SSCS) & JtaTransactionManager
* (JTM) were _not_ aware of transactions, -> then inserting the mainObject _before_ having
* inserted the subObject would cause the operation/persist to fail and the transaction to
* fail. - This is because the mainObject contains a foreign key referring to the subObject.
*
* <p>However, the SSCS & JTM check whether or not they're owners of the transaction when
* starting and when committing the transaction they use. -> So that when we insert the
* mainObject here (via a _new_ CommandBasedStatefulKnowledgeSession), it does _not_ mess with
* the transaction state and the operation succeeds.
*/
TransactionTestCommand transactionTestSubCommand =
new TransactionTestCommand(this.subObject, getPersistenceEnvironment());
commandKSession.execute(transactionTestSubCommand);
}
return null;
}
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 testAllowEqualityBetweenObjectAndPrimitiveInt() {
// DROOLS-20
String str =
"declare Bean\n"
+ " items : int\n"
+ "end\n"
+ "\n"
+ "rule \"O\"\n"
+ "when\n"
+ "then\n"
+ " insert( new Bean( 2 ) );\n"
+ "end\n"
+ "\n"
+ "rule \"X\"\n"
+ "when\n"
+ " Bean( $num : items ) \n"
+ " accumulate( $o : Object(),\n"
+ " $list : collectList( $o );\n"
+ " $list.size == $num"
+ " )\n"
+ "then\n"
+ " System.out.println( \"Success!\" );\n"
+ "end";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
assertEquals(2, ksession.fireAllRules());
}
@Test(timeout = 10000)
public void testConcurrentInsertions() {
String str =
"import MultithreadTest.Bean\n"
+ "\n"
+ "rule \"R\"\n"
+ "when\n"
+ " $a : Bean( seed != 1 )\n"
+ "then\n"
+ "end";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
final StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
Executor executor =
Executors.newCachedThreadPool(
new ThreadFactory() {
public Thread newThread(Runnable r) {
Thread t = new Thread(r);
t.setDaemon(true);
return t;
}
});
final int OBJECT_NR = 1000;
final int THREAD_NR = 4;
CompletionService<Boolean> ecs = new ExecutorCompletionService<Boolean>(executor);
for (int i = 0; i < THREAD_NR; i++) {
ecs.submit(
new Callable<Boolean>() {
public Boolean call() throws Exception {
try {
FactHandle[] facts = new FactHandle[OBJECT_NR];
for (int i = 0; i < OBJECT_NR; i++) facts[i] = ksession.insert(new Bean(i));
ksession.fireAllRules();
for (FactHandle fact : facts) ksession.retract(fact);
ksession.fireAllRules();
return true;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
});
}
boolean success = true;
for (int i = 0; i < THREAD_NR; i++) {
try {
success = ecs.take().get() && success;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
assertTrue(success);
ksession.dispose();
}
public void receive(Object object, PipelineContext context) {
StatefulKnowledgeSessionPipelineContext kContext =
(StatefulKnowledgeSessionPipelineContext) context;
StatefulKnowledgeSession ksession = kContext.getStatefulKnowledgeSession();
Object result = ksession.getGlobal((String) object);
emit(result, kContext);
}
public void testSignalBoundaryEvent() {
KnowledgeBase kbase =
createKnowledgeBase(
"BPMN2-BoundarySignalEventOnTaskbpmn2.bpmn",
"BPMN2-IntermediateThrowEventSignal.bpmn2");
StatefulKnowledgeSession ksession = createKnowledgeSession(kbase);
TestWorkItemHandler handler = new TestWorkItemHandler();
ksession.getWorkItemManager().registerWorkItemHandler("Human Task", handler);
ProcessInstance processInstance = ksession.startProcess("BoundarySignalOnTask");
ProcessInstance processInstance2 = ksession.startProcess("SignalIntermediateEvent");
assertProcessInstanceCompleted(processInstance2.getId(), ksession);
assertProcessInstanceCompleted(processInstance.getId(), ksession);
}
public void testSingleActionNode() throws Exception {
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(
new ClassPathResource("ActionNodeTest.xml", ActionNodeTest.class), ResourceType.DRF);
KnowledgeBase kbase = kbuilder.newKnowledgeBase();
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
List<String> list = new ArrayList<String>();
ksession.setGlobal("list", list);
ksession.startProcess("process name");
assertEquals(1, list.size());
assertEquals("action node was here", list.get(0));
}
@Test
public void testShareAlphaNodesRegardlessDoubleOrSingleQuotes() {
// JBRULES-3640
String str =
"declare RecordA\n"
+ " id : long\n"
+ "end\n"
+ "\n"
+ "declare RecordB\n"
+ " id : long\n"
+ "role : String\n"
+ "end\n"
+ "\n"
+ "rule \"insert data 1\"\n"
+ " salience 10\n"
+ " when\n"
+ " then\n"
+ " insert (new RecordA(100));\n"
+ " insert (new RecordB(100, \"1\"));\n"
+ " insert (new RecordB(100, \"2\"));\n"
+ "end\n"
+ "\n"
+ "rule \"test 1\"\n"
+ " when\n"
+ " a : RecordA( )\n"
+ " b : RecordB( id == b.id, role == '1' )\n"
+ " then\n"
+ "end\n"
+ "\n"
+ "rule \"test 2\"\n"
+ " when\n"
+ " a : RecordA( )\n"
+ " b : RecordB( id == b.id, role == \"1\" )\n"
+ " then\n"
+ "end\n"
+ "\n"
+ "rule \"test 3\"\n"
+ " when\n"
+ " a : RecordA( )\n"
+ " b : RecordB( id == b.id, role == \"2\" )\n"
+ " then\n"
+ "end\n";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
assertEquals(4, ksession.fireAllRules());
}
@Test
public void testPropertyReactivityWithNestedAccessorsInModify() {
// JBRULES-3691
String str =
"package com.ilesteban.rulenotbeingfired;\n"
+ "\n"
+ "import java.util.Map;\n"
+ "import java.util.EnumMap;\n"
+ "import org.drools.integrationtests.MiscTest2.Parameter\n"
+ "import org.drools.integrationtests.MiscTest2.DataSample\n"
+ "\n"
+ "declare Recommendation\n"
+ " parameter : Parameter\n"
+ " value : double\n"
+ "end\n"
+ "\n"
+ "rule \"Init\" salience 100\n"
+ "when\n"
+ "then\n"
+ " insert(new Recommendation(Parameter.PARAM_A, 1.0));"
+ "end\n"
+ "rule \"Rule 1\"\n"
+ "when\n"
+ " $d: DataSample()\n"
+ " $re: Recommendation ($p: parameter, $v: value)\n"
+ "then\n"
+ " System.out.println(drools.getRule().getName());\n"
+ " modify($d){\n"
+ " addValue($re.getParameter(), $re.getValue())\n"
+ " }\n"
+ "end\n"
+ "\n"
+ "rule \"Data with messages\"\n"
+ "salience -100\n"
+ "when\n"
+ " $d: DataSample(notEmpty == true)\n"
+ "then\n"
+ " System.out.println(drools.getRule().getName());\n"
+ "end\n";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
ksession.insert(new DataSample());
assertEquals(3, ksession.fireAllRules());
}
public void testSignalBetweenProcesses() {
KnowledgeBase kbase =
createKnowledgeBase(
"BPMN2-IntermediateCatchSignalSingle.bpmn2",
"BPMN2-IntermediateThrowEventSignal.bpmn2");
StatefulKnowledgeSession ksession = createKnowledgeSession(kbase);
TestWorkItemHandler handler = new TestWorkItemHandler();
ksession.getWorkItemManager().registerWorkItemHandler("Human Task", handler);
ProcessInstance processInstance = ksession.startProcess("BPMN2-IntermediateCatchSignalSingle");
ksession.getWorkItemManager().completeWorkItem(handler.getWorkItem().getId(), null);
ProcessInstance processInstance2 = ksession.startProcess("SignalIntermediateEvent");
assertProcessInstanceCompleted(processInstance2.getId(), ksession);
assertProcessInstanceCompleted(processInstance.getId(), ksession);
}
public static void run(String demo) {
TraitFactory.reset();
StatefulKnowledgeSession kSession = getSession(demo);
kSession.fireAllRules();
Collection c = kSession.getObjects();
System.out.println("------------------------- " + c.size() + " ----------------------");
for (Object o : c) {
System.out.println(" \t --- " + o);
}
System.out.println("-----------------------------------------------------------------");
kSession.dispose();
}
@Test
public void testIntSorting2() {
// DROOLS-15
String str =
"global java.util.List list\n"
+ "rule R\n"
+ "dialect \"mvel\"\n"
+ "when\n"
+ " $number : Number()\n"
+ " not Number(intValue > $number.intValue)\n"
+ "then\n"
+ " list.add($number);\n"
+ " retract($number);\n"
+ "end";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
List<Integer> list = new ArrayList<Integer>();
ksession.setGlobal("list", list);
ksession.insert(3);
ksession.insert(7);
ksession.insert(4);
ksession.insert(5);
ksession.insert(2);
ksession.insert(1);
ksession.insert(6);
ksession.fireAllRules();
assertEquals(Arrays.asList(7, 6, 5, 4, 3, 2, 1), list);
}
public void testSignalToStartProcess() {
KnowledgeBase kbase =
createKnowledgeBase("BPMN2-SignalStart.bpmn2", "BPMN2-IntermediateThrowEventSignal.bpmn2");
StatefulKnowledgeSession ksession = createKnowledgeSession(kbase);
TestWorkItemHandler handler = new TestWorkItemHandler();
ksession.getWorkItemManager().registerWorkItemHandler("Human Task", handler);
final List<String> startedProcesses = new ArrayList<String>();
ksession.addEventListener(
new DefaultProcessEventListener() {
@Override
public void beforeProcessStarted(ProcessStartedEvent event) {
startedProcesses.add(event.getProcessInstance().getProcessId());
}
});
ProcessInstance processInstance2 = ksession.startProcess("SignalIntermediateEvent");
assertProcessInstanceCompleted(processInstance2.getId(), ksession);
assertEquals(2, startedProcesses.size());
}
@Test
public void testNumberCoercionOnNonGenericMap() {
// JBRULES-3708
String str =
"package com.ilesteban.jit;\n"
+ "\n"
+ "import java.util.Map;\n"
+ "import java.util.EnumMap;\n"
+ "import org.drools.integrationtests.MiscTest2.Parameter\n"
+ "import org.drools.integrationtests.MiscTest2.DataSample\n"
+ "\n"
+ "declare TestObject\n"
+ " data : java.util.Map\n"
+ "end\n"
+ "\n"
+ "rule \"Rule 1\"\n"
+ "when\n"
+ " $d: DataSample()\n"
+ "then\n"
+ " //create a new object copying the Map<Parameter, Double> to a Map<Object, Object>\n"
+ " insert( new TestObject($d.getValues()));\n"
+ "end\n"
+ "\n"
+ "rule \"Rule 2\"\n"
+ "when\n"
+ " TestObject(data[Parameter.PARAM_A] > 3)\n"
+ "then\n"
+ "end\n";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
Map<Parameter, Double> values = new EnumMap<Parameter, Double>(Parameter.class);
values.put(Parameter.PARAM_A, 4.0);
DataSample data = new DataSample();
data.setValues(values);
ksession.insert(data);
assertEquals(2, ksession.fireAllRules());
}
@Test
public void testDeclaredTypeExtendingInnerClass() {
// DROOLS-27
String str =
"import org.drools.integrationtests.MiscTest2.StaticPerson\n"
+ "declare StaticPerson end\n"
+ "declare Student extends StaticPerson end\n"
+ "rule Init when\n"
+ "then\n"
+ " Student s = new Student();\n"
+ " s.setName( \"Mark\" );\n"
+ " insert( s );\n"
+ "end\n"
+ "rule Check when\n"
+ " StaticPerson( name == \"Mark\")\n"
+ "then\n"
+ "end\n";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
assertEquals(2, ksession.fireAllRules());
}
@Test
public void testBigDecimalComparison() throws Exception {
// JBRULES-3715
String str =
"import org.drools.Person;\n"
+ "rule \"Big Decimal Comparison\"\n"
+ " dialect \"mvel\"\n"
+ "when\n"
+ " Person( bigDecimal == 0.0B )\n"
+ "then\n"
+ "end";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
final StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
Person p = new Person("Mario", 38);
p.setBigDecimal(new BigDecimal("0"));
ksession.insert(p);
assertEquals(1, ksession.fireAllRules());
ksession.dispose();
}
@Test
public void testMvelAssignmentToPublicField() {
String str =
"import org.drools.integrationtests.MiscTest2.Foo\n"
+ "rule R\n"
+ "dialect \"mvel\"\n"
+ "when\n"
+ " $foo : Foo()\n"
+ "then\n"
+ " $foo.x = 1;\n"
+ "end";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
Foo foo1 = new Foo();
Foo foo2 = new Foo();
ksession.insert(foo1);
ksession.insert(foo2);
ksession.fireAllRules();
assertEquals(1, foo1.x);
assertEquals(1, foo2.x);
}
@Test
public void testMvelInvokeAsList() {
String str =
"import java.util.List;\n"
+ "import java.util.Arrays;\n"
+ "import java.util.ArrayList;\n"
+ "\n"
+ "declare Project\n"
+ "@typesafe (false)\n"
+ " list1 : List\n"
+ " list2 : List\n"
+ "end\n"
+ "\n"
+ "rule kickoff\n"
+ "salience 999999\n"
+ "when\n"
+ "then\n"
+ " insert( new Project() );\n"
+ " insert( new Project() ); // necessary to trigger the exception\n"
+ "end\n"
+ "\n"
+ "rule \" Config rule \"\n"
+ "dialect \"mvel\"\n"
+ "no-loop true\n"
+ "when\n"
+ " P : Project()\n"
+ "then\n"
+ " modify(P) {\n"
+ " list1 = Arrays.asList(10, 15, 20, 25),\n"
+ " list2 = Arrays.asList(11, 2, 3, 4, 5, 10, 9, 8, 7)\n"
+ " };\n"
+ "end";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
ksession.fireAllRules();
}
public void testEntry(KProjectTestClass testClass, String jarName) {
List<String> list = new ArrayList<String>();
StatelessKnowledgeSession stlsKsession = testClass.getKBase1KSession1();
stlsKsession.setGlobal("list", list);
stlsKsession.execute("dummy");
assertEquals(2, list.size());
assertTrue(list.contains(jarName + ".test1:rule1"));
assertTrue(list.contains(jarName + ".test1:rule2"));
list.clear();
StatefulKnowledgeSession stflKsession = testClass.getKBase1KSession2();
stflKsession.setGlobal("list", list);
stflKsession.fireAllRules();
assertEquals(2, list.size());
assertTrue(list.contains(jarName + ".test1:rule1"));
assertTrue(list.contains(jarName + ".test1:rule2"));
list.clear();
stflKsession = testClass.getKBase2KSession3();
stflKsession.setGlobal("list", list);
stflKsession.fireAllRules();
assertEquals(2, list.size());
assertTrue(list.contains(jarName + ".test2:rule1"));
assertTrue(list.contains(jarName + ".test2:rule2"));
list.clear();
stlsKsession = testClass.getKBase3KSession4();
stlsKsession.setGlobal("list", list);
stlsKsession.execute("dummy");
assertEquals(4, list.size());
assertTrue(list.contains(jarName + ".test1:rule1"));
assertTrue(list.contains(jarName + ".test1:rule2"));
assertTrue(list.contains(jarName + ".test2:rule1"));
assertTrue(list.contains(jarName + ".test2:rule2"));
}
@Test(timeout = 5000)
public void testInfiniteLoopCausedByInheritance() throws Exception {
// DROOLS-13
String str =
"declare Parent\n"
+ " active : boolean\n"
+ "end\n"
+ " \n"
+ "declare Child extends Parent\n"
+ "end\n"
+ " \n"
+ "rule \"Init\"\n"
+ "when\n"
+ "then\n"
+ " insert( new Child( false ) );\n"
+ "end\n"
+ " \n"
+ "rule \"Print\"\n"
+ "when\n"
+ " $g : Child( active == true )\n"
+ "then\n"
+ "end\n"
+ " \n"
+ " \n"
+ "rule \"Switch\"\n"
+ "when\n"
+ " $item : Parent( active == false )\n"
+ "then\n"
+ " modify ( $item ) {\n"
+ " setActive( true );\n"
+ " }\n"
+ "end";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
ksession.fireAllRules();
}
public static void main(final String[] args) {
final KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(
ResourceFactory.newClassPathResource(
"WorkItemConsequence1.drl", WorkItemConsequenceExample1.class),
ResourceType.DRL);
final KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
if (kbuilder.hasErrors()) {
throw new RuntimeException("Compilation error.\n" + kbuilder.getErrors().toString());
}
final StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
ksession
.getWorkItemManager()
.registerWorkItemHandler("EmailWorkItemHandler", new EmailWorkItemHandler());
// KnowledgeRuntimeLogger logger = KnowledgeRuntimeLoggerFactory.newFileLogger(ksession,
// "log/WorkItemConsequence.log");
// Brains does not cause concern
PersonLocation brains = new PersonLocation("Brains", 5);
ksession.insert(brains);
ksession.fireAllRules();
// Gargamel is too far away to care
PersonLocation gargamel = new PersonLocation("Gargamel", 10);
FactHandle gargamelFactHandle = ksession.insert(gargamel);
ksession.fireAllRules();
// Uh oh, Gargamel moves closer
gargamel.setDistance(5);
ksession.update(gargamelFactHandle, gargamel);
ksession.fireAllRules();
// logger.close();
ksession.dispose(); // Stateful rule session must always be disposed when finished
}
@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 String insertMessageAndFire(String message, boolean stateful)
throws IllegalAccessException, InstantiationException {
System.out.println("********** Firing rules");
String result = null;
FactType testFactType = kagent.getKnowledgeBase().getFactType("test", "TestFact");
Object fact = testFactType.newInstance();
testFactType.set(fact, "message", message);
if (stateful) {
StatefulKnowledgeSession session = kagent.getKnowledgeBase().newStatefulKnowledgeSession();
session.insert(fact);
session.fireAllRules();
result = (String) testFactType.get(fact, "message");
session.dispose();
} else {
StatelessKnowledgeSession session = kagent.getKnowledgeBase().newStatelessKnowledgeSession();
session.execute(fact);
result = (String) testFactType.get(fact, "message");
}
return result;
}
@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();
}
}
@Test
public void testPropertyReactiveAccumulateModification() {
// DROOLS-16
String str =
"package org.drools.test;\n"
+ "\n"
+ "declare Neuron\n"
+ "@propertyReactive\n"
+ " id : int\n"
+ " value : double\n"
+ "end\n"
+ "\n"
+ "declare Charge\n"
+ " nId : int\n"
+ " val : double\n"
+ "end\n"
+ "\n"
+ "rule \"Log 2\"\n"
+ "salience 9999\n"
+ "when\n"
+ " $n : Object();\n"
+ "then\n"
+ "end\n"
+ "rule \"Update\"\n"
+ "salience -9999\n"
+ "when\n"
+ " $c : Charge( val == 1.0 );\n"
+ "then\n"
+ " modify ( $c ) { "
+ " setVal( 2.0 ); \n"
+ " } \n"
+ "end\n"
+ "\n"
+ "rule \"Init\"\n"
+ "when\n"
+ "then\n"
+ " insert( new Neuron( 0, 0.0 ) );\n"
+ " insert( new Charge( 0, 1.0 ) );\n"
+ "end\n"
+ "\n"
+ "rule \"Modify\"\n"
+ "salience -100\n"
+ "when\n"
+ " $n : Neuron( )\n"
+ " accumulate( Charge( $v : val ), $x : sum( $v ) )\n"
+ "then\n"
+ " modify ( $n ) {\n"
+ " setValue( $x.doubleValue() );\n"
+ " }\n"
+ "end\n"
+ "\n"
+ "rule \"Watch\"\n"
+ "when\n"
+ " $n : Neuron() @watch( value )"
+ "then\n"
+ "end\n"
+ "\n"
+ "query getNeuron\n"
+ " Neuron( $value : value )\n"
+ "end";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
ksession.fireAllRules();
assertEquals(2.0, ksession.getQueryResults("getNeuron").iterator().next().get("$value"));
}
@Test
@Ignore
public void testReuseAgendaAfterException() throws Exception {
// JBRULES-3677
String str =
"import org.drools.Person;\n"
+ "global java.util.List results;"
+ "rule R1\n"
+ "ruleflow-group \"test\"\n"
+ "when\n"
+ " Person( $age : age ) \n"
+ "then\n"
+ " if ($age > 40) throw new RuntimeException(\"Too old\");\n"
+ " results.add(\"OK\");"
+ "end";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
final StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
List<String> res = new ArrayList<String>();
ksession.setGlobal("results", res);
AgendaEventListener agendaEventListener =
new AgendaEventListener() {
public void matchCreated(org.kie.event.rule.MatchCreatedEvent event) {}
public void matchCancelled(org.kie.event.rule.MatchCancelledEvent event) {}
public void beforeMatchFired(org.kie.event.rule.BeforeMatchFiredEvent event) {}
public void afterMatchFired(org.kie.event.rule.AfterMatchFiredEvent event) {}
public void agendaGroupPopped(org.kie.event.rule.AgendaGroupPoppedEvent event) {}
public void agendaGroupPushed(org.kie.event.rule.AgendaGroupPushedEvent event) {}
public void beforeRuleFlowGroupActivated(
org.kie.event.rule.RuleFlowGroupActivatedEvent event) {}
public void afterRuleFlowGroupActivated(
org.kie.event.rule.RuleFlowGroupActivatedEvent event) {
ksession.fireAllRules();
}
public void beforeRuleFlowGroupDeactivated(
org.kie.event.rule.RuleFlowGroupDeactivatedEvent event) {}
public void afterRuleFlowGroupDeactivated(
org.kie.event.rule.RuleFlowGroupDeactivatedEvent event) {}
};
ksession.addEventListener(agendaEventListener);
FactHandle fact1 = ksession.insert(new Person("Mario", 38));
((AgendaImpl) ksession.getAgenda()).activateRuleFlowGroup("test");
assertEquals(1, res.size());
res.clear();
ksession.retract(fact1);
FactHandle fact2 = ksession.insert(new Person("Mario", 48));
try {
((AgendaImpl) ksession.getAgenda()).activateRuleFlowGroup("test");
fail("should throw an Exception");
} catch (Exception e) {
}
ksession.retract(fact2);
assertEquals(0, res.size());
// try to reuse the ksession after the Exception
FactHandle fact3 = ksession.insert(new Person("Mario", 38));
((AgendaImpl) ksession.getAgenda()).activateRuleFlowGroup("test");
assertEquals(1, res.size());
ksession.retract(fact3);
ksession.dispose();
}
@Test(timeout = 5000)
public void testPropertyReactiveOnAlphaNodeFollowedByAccumulate() {
// DROOLS-16
String str =
"package org.drools.pmml.pmml_4_1.test;\n"
+ "\n"
+ "declare Charge\n"
+ " context : String\n"
+ " index : String = \"-1\"\n"
+ " source : String = \"-1\"\n"
+ " value : double\n"
+ "end\n"
+ "\n"
+ "declare Neuron\n"
+ "@propertyReactive\n"
+ " context : String @key\n"
+ " index : String @key\n"
+ " layerIndex : int\n"
+ " bias : double\n"
+ " fanIn : int\n"
+ " value : double\n"
+ " dvalue : double\n"
+ " normalized : boolean\n"
+ "end\n"
+ "\n"
+ "rule \"LinkSynapses\"\n"
+ "when\n"
+ "then\n"
+ " Charge c = new Charge();\n"
+ " c.setContext( \"MockCold\" );\n"
+ " c.setSource( \"0\" );\n"
+ " c.setIndex( \"1\" );\n"
+ " c.setValue( 0.43 );\n"
+ " insert(c);\n"
+ "end\n"
+ "\n"
+ "rule \"NeuralFire_MockCold_Layer0\"\n"
+ "when\n"
+ " $neur : Neuron( context == \"MockCold\",\n"
+ " layerIndex == 0\n"
+ " )\n"
+ " accumulate( $c : Charge( context == \"MockCold\", index == $neur.index, $in : value ),\n"
+ " $list : collectList( $c ),\n"
+ " $val : sum( $in );\n"
+ " $list.size() == $neur.fanIn )\n"
+ "then\n"
+ " double x = 1.0; // $neur.getBias() + $val.doubleValue();\n"
+ " modify ( $neur ) {\n"
+ " setValue( x );\n"
+ " }\n"
+ "end\n"
+ "\n"
+ "rule \"BuildNeurons_MockCold_Layer0\"\n"
+ "when\n"
+ "then\n"
+ " insert( new Neuron( \"MockCold\",\n"
+ " \"1\",\n"
+ " 0,\n"
+ " 1.0,\n"
+ " 1,\n"
+ " 0.0,\n"
+ " 0.0,\n"
+ " true\n"
+ " ) );\n"
+ "end";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
assertEquals(3, ksession.fireAllRules());
}
public void testEvent1() {
RuleFlowProcess process = new RuleFlowProcess();
process.setId("org.drools.process.event");
process.setName("Event Process");
List<Variable> variables = new ArrayList<Variable>();
Variable variable = new Variable();
variable.setName("event");
ObjectDataType personDataType = new ObjectDataType();
personDataType.setClassName("org.drools.Person");
variable.setType(personDataType);
variables.add(variable);
process.getVariableScope().setVariables(variables);
StartNode startNode = new StartNode();
startNode.setName("Start");
startNode.setId(1);
process.addNode(startNode);
MilestoneNode milestoneNode = new MilestoneNode();
milestoneNode.setName("Milestone");
milestoneNode.setConstraint("eval(false)");
milestoneNode.setId(2);
process.addNode(milestoneNode);
new ConnectionImpl(
startNode, Node.CONNECTION_DEFAULT_TYPE,
milestoneNode, Node.CONNECTION_DEFAULT_TYPE);
EventNode eventNode = new EventNode();
EventTypeFilter eventFilter = new EventTypeFilter();
eventFilter.setType("myEvent");
eventNode.addEventFilter(eventFilter);
eventNode.setVariableName("event");
eventNode.setId(3);
process.addNode(eventNode);
final List<String> myList = new ArrayList<String>();
ActionNode actionNode = new ActionNode();
actionNode.setName("Print");
DroolsAction action = new DroolsConsequenceAction("java", null);
action.setMetaData(
"Action",
new Action() {
public void execute(ProcessContext context) throws Exception {
System.out.println(
"Detected event for person " + ((Person) context.getVariable("event")).getName());
myList.add("Executed action");
}
});
actionNode.setAction(action);
actionNode.setId(4);
process.addNode(actionNode);
new ConnectionImpl(
eventNode, Node.CONNECTION_DEFAULT_TYPE,
actionNode, Node.CONNECTION_DEFAULT_TYPE);
Join join = new Join();
join.setName("XOR Join");
join.setType(Join.TYPE_XOR);
join.setId(5);
process.addNode(join);
new ConnectionImpl(
milestoneNode, Node.CONNECTION_DEFAULT_TYPE,
join, Node.CONNECTION_DEFAULT_TYPE);
new ConnectionImpl(
actionNode, Node.CONNECTION_DEFAULT_TYPE,
join, Node.CONNECTION_DEFAULT_TYPE);
EndNode endNode = new EndNode();
endNode.setName("EndNode");
endNode.setId(6);
process.addNode(endNode);
new ConnectionImpl(
join, Node.CONNECTION_DEFAULT_TYPE,
endNode, Node.CONNECTION_DEFAULT_TYPE);
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
((AbstractRuleBase) ((InternalKnowledgeBase) kbase).getRuleBase()).addProcess(process);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
ProcessInstance processInstance = ksession.startProcess("org.drools.process.event");
assertEquals(0, myList.size());
Person jack = new Person();
jack.setName("Jack");
processInstance.signalEvent("myEvent", jack);
assertEquals(1, myList.size());
assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
}