@Test
public void testNullSafeNullComparisonReverse() {
// DROOLS-82
String str =
"import org.drools.compiler.*;\n"
+ "rule R1 when\n"
+ " Person( \"Main Street\".equalsIgnoreCase(address!.street) )\n"
+ "then\n"
+ "end";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
ksession.insert(new Person("Mario", 38));
Person mark = new Person("Mark", 37);
mark.setAddress(new Address("Main Street"));
ksession.insert(mark);
Person edson = new Person("Edson", 34);
edson.setAddress(new Address(null));
ksession.insert(edson);
assertEquals(1, ksession.fireAllRules());
ksession.dispose();
}
@Test
public void testFixedPattern() throws FileNotFoundException {
DecisionTableConfiguration dtconf = KnowledgeBuilderFactory.newDecisionTableConfiguration();
dtconf.setInputType(DecisionTableInputType.XLS);
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(
ResourceFactory.newClassPathResource("fixedPattern.xls", getClass()),
ResourceType.DTABLE,
dtconf);
if (kbuilder.hasErrors()) {
fail(kbuilder.getErrors().toString());
}
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
List<Long> list = new ArrayList<Long>();
ksession.setGlobal("list", list);
ksession.insert(1L);
ksession.insert(2);
ksession.fireAllRules();
assertEquals(1, list.size());
assertEquals(1L, (long) list.get(0));
ksession.dispose();
}
@Test
public void testNullSafeMemberOf() {
// DROOLS-50
String str =
"declare A\n"
+ " list : java.util.List\n"
+ "end\n"
+ "\n"
+ "rule Init when\n"
+ "then\n"
+ " insert( new A( java.util.Arrays.asList( \"test\" ) ) );"
+ " insert( \"test\" );"
+ "end\n"
+ "rule R when\n"
+ " $a : A()\n"
+ " $s : String( this memberOf $a!.list )\n"
+ "then\n"
+ "end";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
assertEquals(2, ksession.fireAllRules());
ksession.dispose();
}
@Test
public void testDoubleNullSafe() {
String str =
"import org.drools.compiler.*;\n"
+ "rule R1 when\n"
+ " Person( address!.street!.length > 15 ) \n"
+ "then\n"
+ "end";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
ksession.insert(new Person("Mario", 38));
Person mark = new Person("Mark", 37);
mark.setAddress(new Address("Main Street"));
ksession.insert(mark);
Person edson = new Person("Edson", 34);
edson.setAddress(new Address(null));
ksession.insert(edson);
Person alex = new Person("Alex", 34);
alex.setAddress(new Address("The Main Very Big Street"));
ksession.insert(alex);
assertEquals(1, ksession.fireAllRules());
ksession.dispose();
}
@Test
public void testNullSafeBinding() {
String str =
"import org.drools.compiler.*;\n"
+ "rule R1 when\n"
+ " Person( $streetName : address!.street ) \n"
+ "then\n"
+ "end";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
ksession.insert(new Person("Mario", 38));
Person mark = new Person("Mark", 37);
mark.setAddress(new Address("Main Street"));
ksession.insert(mark);
Person edson = new Person("Edson", 34);
edson.setAddress(new Address(null));
ksession.insert(edson);
assertEquals(2, ksession.fireAllRules());
ksession.dispose();
}
@Override
protected StatefulKnowledgeSession disposeAndReloadSession(
StatefulKnowledgeSession ksession, KnowledgeBase kbase) {
long ksessionId = ksession.getIdentifier();
ksession.dispose();
return InfinispanKnowledgeService.loadStatefulKnowledgeSession(
ksessionId, kbase, null, createEnvironment(context));
}
@Test
public void testOutOfMemory() throws Exception {
KnowledgeBase kbase = loadKnowledgeBase("empty.drl");
for (int i = 0; i < 10000; i++) {
StatefulKnowledgeSession session = createKnowledgeSession(kbase);
WorkingMemoryFileLogger logger = new WorkingMemoryFileLogger(session);
session.fireAllRules();
session.dispose();
}
}
@Before
public void setUp() throws Exception {
context = setupWithPoolingDataSource(JBPM_PERSISTENCE_UNIT_NAME);
env = createEnvironment(context);
kbase = createBase();
StatefulKnowledgeSession ksession =
JPAKnowledgeService.newStatefulKnowledgeSession(kbase, null, env);
sessionId = ksession.getIdentifier();
ksession.dispose();
}
@Override
protected StatefulKnowledgeSession disposeAndReloadSession(
StatefulKnowledgeSession ksession, KnowledgeBase kbase) {
long sessionId = ksession.getIdentifier();
ksession.dispose();
EnvironmentBuilder envBuilder = new KnowledgeSessionStorageEnvironmentBuilder(storage);
Environment env = KieServices.Factory.get().newEnvironment();
env.set(EnvironmentName.TRANSACTION_MANAGER, envBuilder.getTransactionManager());
env.set(EnvironmentName.PERSISTENCE_CONTEXT_MANAGER, envBuilder.getPersistenceContextManager());
return JPAKnowledgeService.loadStatefulKnowledgeSession(sessionId, kbase, null, env);
}
@Test
public void create2ProcessInstances() throws Exception {
long[] processId = new long[2];
StatefulKnowledgeSession ksession = reloadKnowledgeSession();
processId[0] =
ksession.createProcessInstance("org.jbpm.processinstance.helloworld", null).getId();
processId[1] =
ksession.createProcessInstance("org.jbpm.processinstance.helloworld", null).getId();
ksession.dispose();
assertProcessInstancesExist(processId);
}
@Test
public void testForallSinglePattern2() throws Exception {
final KnowledgeBase kbase = loadKnowledgeBase("test_ForallSinglePattern2.drl");
final StatefulKnowledgeSession ksession = createKnowledgeSession(kbase);
ksession.insert(new Triangle(3, 3, 3));
ksession.insert(new Triangle(3, 3, 3));
// no cheeses, so should fire
int fired = ksession.fireAllRules();
assertEquals(1, fired);
ksession.dispose();
}
protected void dispose(StatefulKnowledgeSession ksession) {
StatefulKnowledgeSessionImpl wm = ((StatefulKnowledgeSessionImpl) ksession);
for (AgendaEventListener listener : wm.getAgendaEventSupport().getEventListeners()) {
this.agendaEventSupport.removeEventListener(listener);
}
for (RuleRuntimeEventListener listener : wm.getRuleRuntimeEventSupport().getEventListeners()) {
this.ruleRuntimeEventSupport.removeEventListener(listener);
}
InternalProcessRuntime processRuntime = wm.internalGetProcessRuntime();
if (processRuntime != null) {
for (ProcessEventListener listener : processRuntime.getProcessEventListeners()) {
this.processEventSupport.removeEventListener(listener);
}
}
ksession.dispose();
}
@Test
public void testExists3() throws Exception {
final KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(
ResourceFactory.newClassPathResource(
"test_Exists_JBRULES_2810.drl", FirstOrderLogicTest.class),
ResourceType.DRL);
assertFalse(kbuilder.getErrors().toString(), kbuilder.hasErrors());
final KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
final StatefulKnowledgeSession ksession = createKnowledgeSession(kbase);
WorkingMemoryConsoleLogger logger = new WorkingMemoryConsoleLogger(ksession);
ksession.fireAllRules();
ksession.dispose();
}
@Test
public void testNullSafeInnerConstraint() {
String str =
"declare Content\n"
+ " complexContent : Content\n"
+ " extension : Content\n"
+ "end\n"
+ "\n"
+ "declare Context\n"
+ " ctx : Content\n"
+ "end\n"
+ "\n"
+ "rule \"Complex Type Attribute\"\n"
+ "when\n"
+ " $con : Content()\n"
+ " Context( ctx == $con || == $con!.complexContent!.extension )\n"
+ "then\n"
+ " System.out.println( $con ); \n"
+ "end\n"
+ "\n"
+ "rule \"Init\"\n"
+ "when\n"
+ "then\n"
+ " Content ext = new Content();\n"
+ " Content complex = new Content( new Content( null, ext ), null );\n"
+ " Content complex2 = new Content( null, null );\n"
+ " Context ctx = new Context( ext );\n"
+ " Context ctx2 = new Context( complex2 );\n"
+ " insert( complex );\n"
+ " insert( complex2 );\n"
+ " insert( ctx );\n"
+ " insert( ctx2 );\n"
+ "end";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
assertEquals(3, ksession.fireAllRules());
ksession.dispose();
}
@Test
public void testOrs() throws Exception {
String str =
"package org.drools.compiler.integrationtests\n"
+ "import "
+ Message.class.getName()
+ "\n"
+ "rule X\n"
+ " when\n"
+ " Message( message == 'test' )\n"
+ " Message( !fired ) or eval( !false )\n"
+ " then\n"
+ "end\n";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = createKnowledgeSession(kbase);
ksession.insert(new Message("test"));
int rules = ksession.fireAllRules();
assertEquals(2, rules);
ksession.dispose();
}
@Test
public void testMixedNullSafes() {
String str =
"import org.drools.compiler.*;\n"
+ "rule R1 when\n"
+ " $p : Person( "
+ " address!.street!.length > 0 && ( address!.street!.length < 15 || > 20 && < 30 ) "
+ " && address!.zipCode!.length > 0 && address.zipCode == \"12345\" "
+ " ) \n"
+ "then\n"
+ " System.out.println( $p ); \n"
+ "end";
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
ksession.insert(new Person("Mario", 38));
Person mark = new Person("Mark", 37);
mark.setAddress(new Address("Main Street", null, "12345"));
ksession.insert(mark);
Person edson = new Person("Edson", 34);
edson.setAddress(new Address(null));
ksession.insert(edson);
Person alex = new Person("Alex", 34);
alex.setAddress(new Address("The Main Verrry Long Street"));
ksession.insert(alex);
Person frank = new Person("Frank", 24);
frank.setAddress(new Address("Long Street number 21", null, "12345"));
ksession.insert(frank);
assertEquals(2, ksession.fireAllRules());
ksession.dispose();
}
@Test
public void noProcessInstancesLeftWithPreTxKSessionAndRollback() throws Exception {
long[] notProcess = new long[4];
StatefulKnowledgeSession ksession = reloadKnowledgeSession();
UserTransaction ut = (UserTransaction) new InitialContext().lookup("java:comp/UserTransaction");
ut.begin();
notProcess[0] =
ksession.createProcessInstance("org.jbpm.processinstance.helloworld", null).getId();
notProcess[1] =
ksession.createProcessInstance("org.jbpm.processinstance.helloworld", null).getId();
ut.rollback();
// Validate that proc inst mgr cache is also flushed on rollback
assertEquals(0, ksession.getProcessInstances().size());
ksession = reloadKnowledgeSession(ksession);
assertEquals(0, ksession.getProcessInstances().size());
ksession.dispose();
assertProcessInstancesNotExist(notProcess);
}
@Test
public void create2ProcessInstancesInsideTransaction() throws Exception {
long[] processId = new long[2];
UserTransaction ut = (UserTransaction) new InitialContext().lookup("java:comp/UserTransaction");
ut.begin();
StatefulKnowledgeSession ksession = reloadKnowledgeSession();
processId[0] =
ksession.createProcessInstance("org.jbpm.processinstance.helloworld", null).getId();
processId[1] =
ksession.createProcessInstance("org.jbpm.processinstance.helloworld", null).getId();
assertEquals(2, ksession.getProcessInstances().size());
// process instance manager cache flushed on tx
ut.commit();
assertEquals(0, ksession.getProcessInstances().size());
ksession = reloadKnowledgeSession(ksession);
assertEquals(0, ksession.getProcessInstances().size());
ksession.dispose();
assertProcessInstancesExist(processId);
}
@Test
public void getEmptyProcessInstances() throws Exception {
StatefulKnowledgeSession ksession = reloadKnowledgeSession();
assertEquals(0, ksession.getProcessInstances().size());
ksession.dispose();
}
private StatefulKnowledgeSession reloadKnowledgeSession(StatefulKnowledgeSession ksession) {
ksession.dispose();
return reloadKnowledgeSession();
}
private void createKnowledgeSessionStartProcessEtc(KieBase kbase) {
logger.info("session count=" + kbase.getKieSessions().size());
StatefulKnowledgeSession ksession =
JPAKnowledgeService.newStatefulKnowledgeSession(
kbase, getKnowledgeSessionConfiguration(), env);
addEventListenersToSession(ksession);
/**
* The following log line caused the memory leak. The specific (reverse-ordered) stack trace is
* the following:
*
* <p>MemoryLeakTest.createKnowledgeSessionStartProcessEtc(KnowledgeBase) calls
* kbase.getKieSessions() .. KnowledgeBaseImpl.getStatefulKnowledgeSessions() line: 186
* StatefulKnowledgeSessionImpl.<init>(ReteooWorkingMemory, KnowledgeBase) line: 121
* ReteooStatefulSession(AbstractWorkingMemory).setKnowledgeRuntime(InternalKnowledgeRuntime)
* line: 1268 ReteooStatefulSession(AbstractWorkingMemory).createProcessRuntime() line: 342
* ProcessRuntimeFactory.newProcessRuntime(AbstractWorkingMemory) line: 12
* ProcessRuntimeFactoryServiceImpl.newProcessRuntime(AbstractWorkingMemory) line: 1
* ProcessRuntimeFactoryServiceImpl.newProcessRuntime(AbstractWorkingMemory) line: 10
* ProcessRuntimeImpl.<init>(AbstractWorkingMemory) line: 84
* ProcessRuntimeImpl.initProcessEventListeners() line: 215
*
* <p>And ProcessRuntimeImpl.initProcessEventListeners() is what adds a new listener to
* AbstractRuleBase.eventSupport.listeners via this line (235):
* kruntime.getKnowledgeBase().addEventListener(knowledgeBaseListener);
*
* <p>The StatefulKnowledgeSessionImpl instance created in this .getStatefulKnowledgeSessions()
* method is obviously never disposed, which means that the listener is never removed. The
* listener then contains a link to a field (signalManager) of the ProcessRuntimeImpl, which
* contains a link to the StatefulKnowledgeSessionImpl instance created here. etc..
*/
logger.info("session count=" + kbase.getKieSessions().size());
TestWorkItemHandler handler = new TestWorkItemHandler();
ksession.getWorkItemManager().registerWorkItemHandler("Human Task", handler);
try {
// create process instance, insert into session and start process
Map<String, Object> processParams = new HashMap<String, Object>();
String[] fireballVarHolder = new String[1];
processParams.put("fireball", fireballVarHolder);
ProcessInstance processInstance = ksession.createProcessInstance(PROCESS_NAME, processParams);
ksession.insert(processInstance);
ksession.startProcessInstance(processInstance.getId());
// after the log line has been added, the DefaultProcessEventListener registered
// in the addEventListenersToSession() method no longer works?!?
ksession.fireAllRules();
// test process variables
String[] procVar =
(String[]) ((WorkflowProcessInstance) processInstance).getVariable("fireball");
assertEquals("Rule task did NOT fire or complete.", "boom!", procVar[0]);
// complete task and process
Map<String, Object> results = new HashMap<String, Object>();
results.put("chaerg", new SerializableResult("zhrini", 302l, "F", "A", "T"));
ksession.getWorkItemManager().completeWorkItem(handler.getWorkItem().getId(), results);
assertNull(ksession.getProcessInstance(processInstance.getId()));
} finally {
// This should clean up all listeners, but doesn't -> see docs above
ksession.dispose();
}
}
@Test
public void testLotsOfOrs() throws Exception {
// Decomposed this test down to just two rules, while still exhibiting the problem
// Uncomment rest of rule as those are fixed, to complicate it again.
String str =
"package org.drools.compiler.test\n"
+ "\n"
+ "import "
+ FirstOrderLogicTest.class.getCanonicalName()
+ ".Field;\n"
+ " \n"
+ "rule \"test\"\n"
+ " when\n"
+ " (\n"
+ " ( \n"
+ " a : Field( name == \"a\") and\n"
+ " eval( !a.getValue().equals(\"a\") ) and\n"
+ " b : Field( name == \"b\" ) and\n"
+ " eval( b.intValue()>10 )\n"
+ " )\n"
+ " or\n"
+ " (\n"
+ " b2 : Field( name == \"b\" ) and\n"
+ " eval( b2.intValue()<10 )\n"
+ " )\n"
+ " )\n"
+ " and \n"
+ " (\n"
+ " t : Field( name == \"t\" ) and\n"
+ " eval( t.getValue().equals(\"Y\") )\n"
+ " )\n"
+ " and (\n"
+ " (\n"
+ " c : Field( name == \"c\" ) and\n"
+ " eval( c.getValue().equals(\"c\") ) and\n"
+ " d : Field( name == \"d\" ) and\n"
+ " eval( d.intValue()<5 )\n"
+ " ) \n"
+ " or \n"
+ " (\n"
+ " c : Field( name == \"c\" ) and\n"
+ " eval( c.getValue().equals(\"c\") ) and\n"
+ " d : Field( name == \"d\" ) and\n"
+ " eval( d.intValue()<20 )\n"
+ " ) \n"
+ " or \n"
+ " ( \n"
+ " c : Field( name == \"c\") and\n"
+ " eval( c.getValue().equals(\"d\") ) and\n"
+ " d : Field( name == \"d\" ) and\n"
+ " eval( d.intValue()<20 )\n"
+ " )\n"
+ " )\n"
+ " then\n"
+ " System.out.println( \"Worked!\" ); \n"
+ "end";
logger.info(str);
KnowledgeBase kbase = loadKnowledgeBaseFromString(str);
StatefulKnowledgeSession ksession = createKnowledgeSession(kbase);
ksession.insert(new Field("t", "Y"));
ksession.insert(new Field("a", "b"));
ksession.insert(new Field("b", "15"));
ksession.insert(new Field("c", "d"));
ksession.insert(new Field("d", "15"));
ksession.fireAllRules();
ksession.dispose();
}
@Test
public void testEventTimestamp() {
// DROOLS-268
String drl =
"\n"
+ "import org.drools.reteoo.integrationtests.CepEspTest.Event; \n"
+ "global java.util.List list; \n"
+ "global org.drools.core.time.SessionPseudoClock clock; \n"
+ ""
+ "declare Event \n"
+ " @role( event )\n"
+ " @timestamp( time ) \n"
+ " @expires( 10000000 ) \n"
+ "end \n"
+ ""
+ ""
+ "rule \"inform about E1\"\n"
+ "when\n"
+ " $event1 : Event( type == 1 )\n"
+ " //there is an event (T2) with value 0 between 0,2m after doorClosed\n"
+ " $event2: Event( type == 2, value == 1, this after [0, 1200ms] $event1, $timestamp : time )\n"
+ " //there is no newer event (T2) within the timeframe\n"
+ " not Event( type == 2, this after [0, 1200ms] $event1, time > $timestamp ) \n"
+ "then\n"
+ " list.add( clock.getCurrentTime() ); \n "
+ "end\n"
+ "\n";
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(ResourceFactory.newByteArrayResource(drl.getBytes()), ResourceType.DRL);
if (kbuilder.hasErrors()) {
fail(kbuilder.getErrors().toString());
}
KieBaseConfiguration baseConfig = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
baseConfig.setOption(EventProcessingOption.STREAM);
baseConfig.setOption(RuleEngineOption.RETEOO);
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase(baseConfig);
kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
KieSessionConfiguration sessionConfig = KnowledgeBaseFactory.newKnowledgeSessionConfiguration();
sessionConfig.setOption(ClockTypeOption.get(ClockType.PSEUDO_CLOCK.getId()));
// init stateful knowledge session
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession(sessionConfig, null);
ArrayList list = new ArrayList();
ksession.setGlobal("list", list);
SessionPseudoClock clock = (SessionPseudoClock) ksession.<SessionClock>getSessionClock();
ksession.setGlobal("clock", clock);
ksession.insert(new Event(1, -1, clock.getCurrentTime())); // 0
clock.advanceTime(600, TimeUnit.MILLISECONDS);
ksession.fireAllRules();
ksession.insert(new Event(2, 0, clock.getCurrentTime())); // 600
clock.advanceTime(100, TimeUnit.MILLISECONDS);
ksession.fireAllRules();
ksession.insert(new Event(2, 0, clock.getCurrentTime())); // 700
clock.advanceTime(300, TimeUnit.MILLISECONDS);
ksession.fireAllRules();
ksession.insert(new Event(2, 0, clock.getCurrentTime())); // 1000
clock.advanceTime(100, TimeUnit.MILLISECONDS);
ksession.fireAllRules();
ksession.insert(new Event(2, 1, clock.getCurrentTime())); // 1100
clock.advanceTime(100, TimeUnit.MILLISECONDS);
ksession.fireAllRules();
clock.advanceTime(100, TimeUnit.MILLISECONDS);
ksession.fireAllRules();
ksession.insert(new Event(2, 0, clock.getCurrentTime())); // 1300
clock.advanceTime(1000, TimeUnit.MILLISECONDS);
ksession.fireAllRules();
assertFalse(list.isEmpty());
assertEquals(1, list.size());
Long time = (Long) list.get(0);
assertTrue(time > 1000 && time < 1500);
ksession.dispose();
}
@Override
public void terminate() {
ksession.dispose(); // Stateful rule session must always be disposed when finished
}
