/**
* Tests the assertion of objects into LeftInputAdapterNode
*
* @throws Exception
*/
@Test
public void testAssertObjectWithoutMemory() throws Exception {
PropagationContextFactory pctxFactory =
kBase.getConfiguration().getComponentFactory().getPropagationContextFactory();
final PropagationContext pcontext =
pctxFactory.createPropagationContext(0, PropagationContext.INSERTION, null, null, null);
BuildContext context = new BuildContext(kBase, kBase.getReteooBuilder().getIdGenerator());
final EntryPointNode entryPoint = new EntryPointNode(-1, kBase.getRete(), context);
entryPoint.attach(context);
final ObjectTypeNode objectTypeNode =
new ObjectTypeNode(0, entryPoint, new ClassObjectType(Object.class), context);
objectTypeNode.attach(context);
final LeftInputAdapterNode liaNode = new LeftInputAdapterNode(23, objectTypeNode, buildContext);
liaNode.attach(context);
final StatefulKnowledgeSessionImpl workingMemory = new StatefulKnowledgeSessionImpl(1L, kBase);
final MockLeftTupleSink sink = new MockLeftTupleSink();
liaNode.addTupleSink(sink);
final Object string1 = "cheese";
// assert object
final DefaultFactHandle f0 = (DefaultFactHandle) workingMemory.insert(string1);
liaNode.assertObject(f0, pcontext, workingMemory);
final List asserted = sink.getAsserted();
assertLength(1, asserted);
final LeftTuple tuple0 = (LeftTuple) ((Object[]) asserted.get(0))[0];
assertSame(string1, workingMemory.getObject(tuple0.get(0)));
}
@Test
public void testEqualsObject() {
final LeftTupleSource ts = new MockTupleSource(1);
final ObjectSource os = new MockObjectSource(2);
InternalKnowledgeBase kBase = (InternalKnowledgeBase) KnowledgeBaseFactory.newKnowledgeBase();
BuildContext buildContext = new BuildContext(kBase, kBase.getReteooBuilder().getIdGenerator());
final BetaNode j1 = new JoinNode(1, ts, os, EmptyBetaConstraints.getInstance(), buildContext);
final BetaNode j2 = new JoinNode(2, ts, os, EmptyBetaConstraints.getInstance(), buildContext);
final BetaNode n1 = new NotNode(3, ts, os, EmptyBetaConstraints.getInstance(), buildContext);
final BetaNode n2 = new NotNode(4, ts, os, EmptyBetaConstraints.getInstance(), buildContext);
assertEquals(j1, j1);
assertEquals(j2, j2);
assertEquals(j1, j2);
assertEquals(n1, n1);
assertEquals(n2, n2);
assertEquals(n1, n2);
assertFalse(j1.equals(n1));
assertFalse(j1.equals(n2));
assertFalse(n1.equals(j1));
assertFalse(n1.equals(j2));
}
public ClassObjectTypeConf(
final EntryPointId entryPoint, final Class<?> clazz, final InternalKnowledgeBase kBase) {
this.cls =
(Activation.class.isAssignableFrom(clazz))
? ClassObjectType.Match_ObjectType.getClassType()
: clazz;
this.kBase = kBase;
this.entryPoint = entryPoint;
this.typeDecl = kBase.getTypeDeclaration(clazz);
isEvent = typeDecl != null && typeDecl.getRole() == Role.Type.EVENT;
if (isEvent) {
expirationOffset = typeDecl.getExpirationOffset();
}
isTrait = determineTraitStatus();
this.objectType =
kBase
.getClassFieldAccessorCache()
.getClassObjectType(new ClassObjectType(clazz, isEvent), false);
this.concreteObjectTypeNode = kBase.getRete().getObjectTypeNodes(entryPoint).get(objectType);
this.supportsPropertyListeners = checkPropertyListenerSupport(clazz);
Traitable ttbl = cls.getAnnotation(Traitable.class);
this.traitTmsEnabled = ttbl != null && ttbl.logical();
}
/**
* Construct.
*
* @param kBase The <code>InternalKnowledgeBase</code> of this agenda.
* @param initMain Flag to initialize the MAIN agenda group
*/
public ReteAgenda(InternalKnowledgeBase kBase, boolean initMain) {
this.agendaGroups = new HashMap<String, InternalAgendaGroup>();
this.activationGroups = new HashMap<String, InternalActivationGroup>();
this.focusStack = new LinkedList<AgendaGroup>();
this.scheduledActivations = new org.drools.core.util.LinkedList<ScheduledAgendaItem>();
this.agendaGroupFactory = kBase.getConfiguration().getAgendaGroupFactory();
if (initMain) {
// MAIN should always be the first AgendaGroup and can never be
// removed
this.main = agendaGroupFactory.createAgendaGroup(AgendaGroup.MAIN, kBase);
this.agendaGroups.put(AgendaGroup.MAIN, this.main);
this.focusStack.add(this.main);
}
eager = new LinkedList<RuleAgendaItem>();
Object object =
ClassUtils.instantiateObject(
kBase.getConfiguration().getConsequenceExceptionHandler(),
kBase.getConfiguration().getClassLoader());
if (object instanceof ConsequenceExceptionHandler) {
this.legacyConsequenceExceptionHandler = (ConsequenceExceptionHandler) object;
} else {
this.consequenceExceptionHandler =
(org.kie.api.runtime.rule.ConsequenceExceptionHandler) object;
}
this.declarativeAgenda = kBase.getConfiguration().isDeclarativeAgenda();
}
@Test
public void testCancelNonRegisteredWorkItemHandler() {
String processId = "org.drools.actions";
String workName = "Unnexistent Task";
RuleFlowProcess process = getWorkItemProcess(processId, workName);
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
((AbstractRuleBase) ((InternalKnowledgeBase) kbase).getRuleBase()).addProcess(process);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
ksession.getWorkItemManager().registerWorkItemHandler(workName, new DoNothingWorkItemHandler());
Map<String, Object> parameters = new HashMap<String, Object>();
parameters.put("UserName", "John Doe");
parameters.put("Person", new Person("John Doe"));
ProcessInstance processInstance = ksession.startProcess("org.drools.actions", parameters);
long processInstanceId = processInstance.getId();
Assert.assertEquals(ProcessInstance.STATE_ACTIVE, processInstance.getState());
ksession.getWorkItemManager().registerWorkItemHandler(workName, null);
try {
ksession.abortProcessInstance(processInstanceId);
Assert.fail("should fail if WorkItemHandler for" + workName + "is not registered");
} catch (WorkItemHandlerNotFoundException wihnfe) {
}
Assert.assertEquals(ProcessInstance.STATE_ABORTED, processInstance.getState());
}
private KieBase createKieBase(
KieBaseModelImpl kBaseModel,
KieProject kieProject,
ResultsImpl messages,
KieBaseConfiguration conf) {
ClassLoader cl = kieProject.getClassLoader();
InternalKieModule kModule = kieProject.getKieModuleForKBase(kBaseModel.getName());
Collection<KnowledgePackage> pkgs =
kModule.getKnowledgePackagesForKieBase(kBaseModel.getName());
if (pkgs == null) {
KnowledgeBuilder kbuilder = buildKnowledgePackages(kBaseModel, kieProject, messages);
if (kbuilder.hasErrors()) {
// Messages already populated by the buildKnowlegePackages
return null;
}
}
// if we get to here, then we know the pkgs is now cached
pkgs = kModule.getKnowledgePackagesForKieBase(kBaseModel.getName());
if (kBaseModel.getEventProcessingMode() == EventProcessingOption.CLOUD
&& (conf == null
|| conf.getOption(EventProcessingOption.class) == EventProcessingOption.CLOUD)) {
for (KnowledgePackage kpkg : pkgs) {
if (((KnowledgePackageImpl) kpkg).needsStreamMode()) {
throw new RuntimeException(
"The requested KieBase \""
+ kBaseModel.getName()
+ "\" has been set to run in CLOUD mode but requires features only available in STREAM mode");
}
}
}
if (conf == null) {
conf = getKnowledgeBaseConfiguration(kBaseModel, cl);
} else if (conf instanceof RuleBaseConfiguration) {
((RuleBaseConfiguration) conf).setClassLoader(cl);
}
InternalKnowledgeBase kBase =
(InternalKnowledgeBase) KnowledgeBaseFactory.newKnowledgeBase(conf);
kBase.addKnowledgePackages(pkgs);
return kBase;
}
@Before
public void setUp() throws Exception {
store.setClassFieldAccessorCache(
new ClassFieldAccessorCache(Thread.currentThread().getContextClassLoader()));
store.setEagerWire(true);
this.kBase = (InternalKnowledgeBase) KnowledgeBaseFactory.newKnowledgeBase();
this.buildContext = new BuildContext(kBase, kBase.getReteooBuilder().getIdGenerator());
}
public Rete(InternalKnowledgeBase kBase) {
super(
0,
RuleBasePartitionId.MAIN_PARTITION,
kBase != null && kBase.getConfiguration().isMultithreadEvaluation());
this.entryPoints = Collections.synchronizedMap(new HashMap<EntryPointId, EntryPointNode>());
this.kBase = kBase;
hashcode = calculateHashCode();
}
private InternalFactHandle createEventFactHandle(
StatefulKnowledgeSessionImpl wm, InternalKnowledgeBase kBase) {
// EntryPointNode
Rete rete = kBase.getRete();
NodeFactory nFacotry = kBase.getConfiguration().getComponentFactory().getNodeFactoryService();
RuleBasePartitionId partionId = RuleBasePartitionId.MAIN_PARTITION;
EntryPointNode entryPointNode =
nFacotry.buildEntryPointNode(
1, partionId, false, (ObjectSource) rete, EntryPointId.DEFAULT);
InternalWorkingMemoryEntryPoint wmEntryPoint =
new NamedEntryPoint(EntryPointId.DEFAULT, entryPointNode, wm);
EventFactHandle factHandle =
new EventFactHandle(1, (Object) new Person(), 0, (new Date()).getTime(), 0, wmEntryPoint);
return factHandle;
}
@Before
public void setUp() throws Exception {
store.setClassFieldAccessorCache(
new ClassFieldAccessorCache(Thread.currentThread().getContextClassLoader()));
store.setEagerWire(true);
this.kBase = (InternalKnowledgeBase) KnowledgeBaseFactory.newKnowledgeBase();
buildContext = new BuildContext(kBase, new ReteooBuilder.IdGenerator());
pctxFactory = kBase.getConfiguration().getComponentFactory().getPropagationContextFactory();
}
@Test
public void testLeftInputAdapterNode() {
BuildContext context = new BuildContext(kBase, kBase.getReteooBuilder().getIdGenerator());
final EntryPointNode entryPoint = new EntryPointNode(-1, kBase.getRete(), context);
entryPoint.attach(context);
final ObjectTypeNode objectTypeNode =
new ObjectTypeNode(0, entryPoint, new ClassObjectType(Object.class), context);
objectTypeNode.attach(context);
final LeftInputAdapterNode liaNode = new LeftInputAdapterNode(23, objectTypeNode, buildContext);
assertEquals(23, liaNode.getId());
assertEquals(0, objectTypeNode.getSinkPropagator().getSinks().length);
liaNode.attach(context);
assertEquals(1, objectTypeNode.getSinkPropagator().getSinks().length);
}
@SuppressWarnings("unchecked")
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
entryPoints = (Map<EntryPointId, EntryPointNode>) in.readObject();
kBase = ((DroolsObjectInputStream) in).getKnowledgeBase();
for (Map.Entry<EntryPointId, EntryPointNode> entry : entryPoints.entrySet()) {
EntryPointNode node = entry.getValue();
if (node.getEntryPoint() == null) node.setEntryPoint(entry.getKey());
kBase.registerAddedEntryNodeCache(node);
}
super.readExternal(in);
}
public ClassObjectTypeConf(
final EntryPointId entryPoint, final Class<?> clazz, final InternalKnowledgeBase kBase) {
this.cls =
(Activation.class.isAssignableFrom(clazz))
? ClassObjectType.Match_ObjectType.getClassType()
: clazz;
this.kBase = kBase;
this.entryPoint = entryPoint;
this.typeDecl = kBase.getTypeDeclaration(clazz);
isEvent = typeDecl != null && typeDecl.getRole() == TypeDeclaration.Role.EVENT;
isTrait = determineTraitStatus();
ObjectType objectType =
kBase.getClassFieldAccessorCache().getClassObjectType(new ClassObjectType(clazz, isEvent));
this.concreteObjectTypeNode = kBase.getRete().getObjectTypeNodes(entryPoint).get(objectType);
if (this.concreteObjectTypeNode == null) {
BuildContext context = new BuildContext(kBase, kBase.getReteooBuilder().getIdGenerator());
context.setCurrentEntryPoint(entryPoint);
if (DroolsQuery.class == clazz) {
context.setTupleMemoryEnabled(false);
context.setObjectTypeNodeMemoryEnabled(false);
} else if (context.getKnowledgeBase().getConfiguration().isSequential()) {
// We are in sequential mode, so no nodes should have memory
// context.setTupleMemoryEnabled( false );
// context.setObjectTypeNodeMemoryEnabled( false );
context.setTupleMemoryEnabled(true);
context.setObjectTypeNodeMemoryEnabled(true);
} else {
context.setTupleMemoryEnabled(true);
context.setObjectTypeNodeMemoryEnabled(true);
}
// there must exist an ObjectTypeNode for this concrete class
this.concreteObjectTypeNode = PatternBuilder.attachObjectTypeNode(context, objectType);
}
this.supportsPropertyListeners = checkPropertyListenerSupport(clazz);
Traitable ttbl = cls.getAnnotation(Traitable.class);
this.traitTmsEnabled = ttbl != null && ttbl.logical();
}
private ObjectTypeNode[] getMatchingObjectTypes(final Class<?> clazz) {
final List<ObjectTypeNode> cache = new ArrayList<ObjectTypeNode>();
for (ObjectTypeNode node : kBase.getRete().getObjectTypeNodes(this.entryPoint).values()) {
if (clazz == DroolsQuery.class) {
// for query objects only add direct matches
if (((ClassObjectType) node.getObjectType()).getClassType() == clazz) {
cache.add(node);
}
} else if (node.isAssignableFrom(new ClassObjectType(clazz))) {
cache.add(node);
}
}
Collections.sort(cache, OBJECT_TYPE_NODE_COMPARATOR);
return cache.toArray(new ObjectTypeNode[cache.size()]);
}
private void updateKBase(
InternalKnowledgeBase kBase,
InternalKieModule currentKM,
ReleaseId newReleaseId,
InternalKieModule newKM,
KieJarChangeSet cs,
List<String> modifiedClasses,
List<String> dslFiles,
ResultsImpl results,
KieBaseModel kieBaseModel) {
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder(kBase);
KnowledgeBuilderImpl pkgbuilder = (KnowledgeBuilderImpl) kbuilder;
CompositeKnowledgeBuilder ckbuilder = kbuilder.batch();
boolean shouldRebuild =
applyResourceChanges(
currentKM, newKM, cs, modifiedClasses, kBase, kieBaseModel, pkgbuilder, ckbuilder);
// remove resources first
for (ResourceChangeSet rcs : cs.getChanges().values()) {
if (rcs.getChangeType() == ChangeType.REMOVED) {
String resourceName = rcs.getResourceName();
if (!resourceName.endsWith(".properties")
&& isFileInKBase(newKM, kieBaseModel, resourceName)) {
pkgbuilder.removeObjectsGeneratedFromResource(currentKM.getResource(resourceName));
}
}
}
if (shouldRebuild) {
// readd unchanged dsl files to the kbuilder
for (String dslFile : dslFiles) {
if (isFileInKBase(newKM, kieBaseModel, dslFile)) {
newKM.addResourceToCompiler(ckbuilder, kieBaseModel, dslFile);
}
}
rebuildAll(
newReleaseId, results, newKM, modifiedClasses, kieBaseModel, pkgbuilder, ckbuilder);
}
for (StatefulKnowledgeSession session : kBase.getStatefulKnowledgeSessions()) {
((InternalWorkingMemory) session).notifyHalt();
}
}
@Test
public void testReachNonRegisteredWorkItemHandler() {
String processId = "org.drools.actions";
String workName = "Unnexistent Task";
RuleFlowProcess process = getWorkItemProcess(processId, workName);
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
((AbstractRuleBase) ((InternalKnowledgeBase) kbase).getRuleBase()).addProcess(process);
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
Map<String, Object> parameters = new HashMap<String, Object>();
parameters.put("UserName", "John Doe");
parameters.put("Person", new Person("John Doe"));
ProcessInstance processInstance = null;
try {
processInstance = ksession.startProcess("org.drools.actions", parameters);
Assert.fail("should fail if WorkItemHandler for" + workName + "is not registered");
} catch (Throwable e) {
}
Assert.assertNull(processInstance);
}
/**
* 加载规则package
*
* @param userRule
*/
private void loadPackage(UserRule userRule) {
if (kBase.getKiePackage("com.camel.drools.expert.sample." + userRule.getUserCode()) != null) {
return;
}
final KnowledgeBuilderImpl builder = new KnowledgeBuilderImpl();
File file =
new File(
KieSpringBasicService.class.getResource("/").getPath().toString()
+ drlDirPath
+ userRule.getUserCode()
+ ".drl");
try {
String drl = FileUtils.readFileToString(file);
builder.addPackageFromDrl(new StringReader(drl));
if (builder.hasErrors()) {
System.out.println("[ERROR: Parsing drl error: " + builder.getErrors());
}
} catch (DroolsParserException | IOException e) {
e.printStackTrace();
}
((InternalKnowledgeBase) kBase).addPackage(builder.getPackage());
}
@Test
public void testQueryTerminalNode() {
final ClassObjectType queryObjectType = new ClassObjectType(DroolsQuery.class);
final ObjectTypeNode queryObjectTypeNode =
new ObjectTypeNode(
this.buildContext.getNextId(), this.entryPoint, queryObjectType, buildContext);
queryObjectTypeNode.attach(buildContext);
ClassFieldReader extractor = store.getReader(DroolsQuery.class, "name");
MvelConstraint constraint =
new MvelConstraintTestUtil(
"name == \"query-1\"", FieldFactory.getInstance().getFieldValue("query-1"), extractor);
final QueryImpl query = new QueryImpl("query-1");
buildContext.setRule(query);
AlphaNode alphaNode =
new AlphaNode(this.buildContext.getNextId(), constraint, queryObjectTypeNode, buildContext);
alphaNode.attach(buildContext);
final LeftInputAdapterNode liaNode =
new LeftInputAdapterNode(this.buildContext.getNextId(), alphaNode, this.buildContext);
liaNode.attach(buildContext);
final ClassObjectType cheeseObjectType = new ClassObjectType(Cheese.class);
final ObjectTypeNode cheeseObjectTypeNode =
new ObjectTypeNode(
this.buildContext.getNextId(), this.entryPoint, cheeseObjectType, buildContext);
cheeseObjectTypeNode.attach(buildContext);
extractor = store.getReader(Cheese.class, "type");
constraint =
new MvelConstraintTestUtil(
"type == \"stilton\"", FieldFactory.getInstance().getFieldValue("stilton"), extractor);
alphaNode =
new AlphaNode(
this.buildContext.getNextId(), constraint, cheeseObjectTypeNode, buildContext);
alphaNode.attach(buildContext);
BuildContext buildContext = new BuildContext(kBase, kBase.getReteooBuilder().getIdGenerator());
buildContext.setTupleMemoryEnabled(false);
final JoinNode joinNode =
new JoinNode(
this.buildContext.getNextId(),
liaNode,
alphaNode,
EmptyBetaConstraints.getInstance(),
buildContext);
joinNode.attach(buildContext);
final QueryTerminalNode queryNode =
new QueryTerminalNode(
this.buildContext.getNextId(),
joinNode,
query,
((QueryImpl) query).getLhs(),
0,
buildContext);
queryNode.attach(buildContext);
final KnowledgePackageImpl pkg = new KnowledgePackageImpl("com.drools.test");
pkg.addRule(query);
((KnowledgeBaseImpl) kBase).addPackages(Arrays.asList(new InternalKnowledgePackage[] {pkg}));
KieSession kSession = kBase.newKieSession();
QueryResults results = kSession.getQueryResults("query-1");
assertEquals(0, results.size());
final Cheese stilton1 = new Cheese("stilton", 100);
final FactHandle handle1 = kSession.insert(stilton1);
results = kSession.getQueryResults("query-1");
assertEquals(1, results.size());
final Cheese cheddar = new Cheese("cheddar", 55);
kSession.insert(cheddar);
results = kSession.getQueryResults("query-1");
assertEquals(1, results.size());
final Cheese stilton2 = new Cheese("stilton", 5);
final FactHandle handle2 = kSession.insert(stilton2);
results = kSession.getQueryResults("query-1");
assertEquals(2, results.size());
/**
* QueryResultsRow result = results.get( 0 ); assertEquals( 1, result.size() ); assertEquals(
* stilton1, result.get( 0 ) );
*
* <p>result = results.get( 1 ); assertEquals( 1, result.size() ); assertEquals( stilton2,
* result.get( 0 ) );
*/
int i = 0;
for (final Iterator<QueryResultsRow> it = results.iterator(); it.hasNext(); ) {
QueryResultsRow resultRow = it.next();
if (i == 1) {
// assertSame( stilton2, result.g( 0 ) );
} else {
// assertSame( stilton1, result.get( 0 ) );
}
i++;
}
kSession.delete(handle1);
results = kSession.getQueryResults("query-1");
assertEquals(1, results.size());
kSession.delete(handle2);
results = kSession.getQueryResults("query-1");
assertEquals(0, results.size());
}
public ObjectTypeNode getConcreteObjectTypeNode() {
if (concreteObjectTypeNode == null) {
concreteObjectTypeNode = kBase.getRete().getObjectTypeNodes(entryPoint).get(objectType);
}
return concreteObjectTypeNode;
}
public void removeObjectSink(final ObjectSink objectSink) {
final EntryPointNode node = (EntryPointNode) objectSink;
entryPoints.remove(node.getEntryPoint());
kBase.registeRremovedEntryNodeCache(node);
}
/**
* Adds the <code>ObjectSink</code> so that it may receive <code>Objects</code> propagated from
* this <code>ObjectSource</code>.
*
* @param objectSink The <code>ObjectSink</code> to receive propagated <code>Objects</code>. Rete
* only accepts <code>ObjectTypeNode</code>s as parameters to this method, though.
*/
public void addObjectSink(final ObjectSink objectSink) {
final EntryPointNode node = (EntryPointNode) objectSink;
entryPoints.put(node.getEntryPoint(), node);
kBase.registerAddedEntryNodeCache(node);
}
private Results update(final InternalKieModule currentKM, final ReleaseId newReleaseId) {
final InternalKieModule newKM = (InternalKieModule) kr.getKieModule(newReleaseId);
ChangeSetBuilder csb = new ChangeSetBuilder();
final KieJarChangeSet cs = csb.build(currentKM, newKM);
final List<String> modifiedClasses = getModifiedClasses(cs);
final List<String> dslFiles = getUnchangedDslFiles(newKM, cs);
((KieModuleKieProject) kProject).updateToModule(newKM);
final ResultsImpl results = new ResultsImpl();
List<String> kbasesToRemove = new ArrayList<String>();
for (Entry<String, KieBase> kBaseEntry : kBases.entrySet()) {
String kbaseName = kBaseEntry.getKey();
final KieBaseModel kieBaseModel = kProject.getKieBaseModel(kbaseName);
// if a kbase no longer exists, just remove it from the cache
if (kieBaseModel == null) {
// have to save for later removal to avoid iteration errors
kbasesToRemove.add(kbaseName);
} else {
final InternalKnowledgeBase kBase = (InternalKnowledgeBase) kBaseEntry.getValue();
boolean locked = kBase.tryLock();
if (locked) {
try {
updateKBase(
kBase,
currentKM,
newReleaseId,
newKM,
cs,
modifiedClasses,
dslFiles,
results,
kieBaseModel);
} finally {
kBase.unlock();
}
} else {
kBase.enqueueModification(
new Runnable() {
@Override
public void run() {
updateKBase(
kBase,
currentKM,
newReleaseId,
newKM,
cs,
modifiedClasses,
dslFiles,
results,
kieBaseModel);
}
});
}
}
}
for (String kbaseToRemove : kbasesToRemove) {
kBases.remove(kbaseToRemove);
}
for (Iterator<Entry<String, KieSession>> it = this.kSessions.entrySet().iterator();
it.hasNext(); ) {
Entry<String, KieSession> ksession = it.next();
if (kProject.getKieSessionModel(ksession.getKey()) == null) {
// remove sessions that no longer exist
it.remove();
}
}
for (Iterator<Entry<String, StatelessKieSession>> it =
this.statelessKSessions.entrySet().iterator();
it.hasNext(); ) {
Entry<String, StatelessKieSession> ksession = it.next();
if (kProject.getKieSessionModel(ksession.getKey()) == null) {
// remove sessions that no longer exist
it.remove();
}
}
return results;
}
/* (non-Javadoc)
* @see junit.framework.TestCase#setUp()
*/
@Before
public void setUp() throws Exception {
kBase = (InternalKnowledgeBase) KnowledgeBaseFactory.newKnowledgeBase();
listener1 = new TestRuleBaseListener("(listener-1) ");
listener2 = new TestRuleBaseListener("(listener-2) ");
kBase.addEventListener(listener1);
kBase.addEventListener(listener2);
final RuleImpl rule1 = new RuleImpl("test1");
final ClassObjectType cheeseObjectType = new ClassObjectType(Cheese.class);
final Pattern pattern = new Pattern(0, cheeseObjectType);
ClassFieldAccessorStore store = new ClassFieldAccessorStore();
store.setClassFieldAccessorCache(
new ClassFieldAccessorCache(Thread.currentThread().getContextClassLoader()));
store.setEagerWire(true);
final ClassFieldReader extractor = store.getReader(Cheese.class, "type");
final FieldValue field = FieldFactory.getInstance().getFieldValue("cheddar");
final MvelConstraint constraint =
new MvelConstraintTestUtil("type == \"cheddar\"", field, extractor);
pattern.addConstraint(constraint);
rule1.addPattern(pattern);
rule1.setConsequence(
new Consequence() {
private static final long serialVersionUID = 510l;
public void evaluate(
final KnowledgeHelper knowledgeHelper, final WorkingMemory workingMemory)
throws Exception {}
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {}
public void writeExternal(ObjectOutput out) throws IOException {}
public String getName() {
return "default";
}
});
final RuleImpl rule2 = new RuleImpl("test2");
final ClassObjectType cheeseObjectType2 = new ClassObjectType(Cheese.class);
final Pattern pattern2 = new Pattern(0, cheeseObjectType2);
final FieldValue field2 = FieldFactory.getInstance().getFieldValue("stilton");
final MvelConstraint constraint2 =
new MvelConstraintTestUtil("type == \"stilton\"", field, extractor);
pattern2.addConstraint(constraint2);
rule2.addPattern(pattern2);
rule2.setConsequence(
new Consequence() {
private static final long serialVersionUID = 510l;
public void evaluate(
final KnowledgeHelper knowledgeHelper, final WorkingMemory workingMemory)
throws Exception {}
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {}
public void writeExternal(ObjectOutput out) throws IOException {}
public String getName() {
return "default";
}
});
pkg = new KnowledgePackageImpl("org.drools.test1");
pkg.addRule(rule1);
pkg.addRule(rule2);
}
@Test
public void testImperativeCodeError() throws Exception {
InternalKnowledgePackage pkg = new KnowledgePackageImpl("pkg1");
final RuleDescr ruleDescr = new RuleDescr("rule 1");
ruleDescr.setConsequence("if (cheese.price == 10) { cheese.price = 5; }");
Properties properties = new Properties();
properties.setProperty("drools.dialect.default", "mvel");
KnowledgeBuilderConfigurationImpl cfg1 = new KnowledgeBuilderConfigurationImpl(properties);
KnowledgeBuilderImpl pkgBuilder = new KnowledgeBuilderImpl(pkg, cfg1);
final KnowledgeBuilderConfigurationImpl conf = pkgBuilder.getBuilderConfiguration();
PackageRegistry pkgRegistry = pkgBuilder.getPackageRegistry(pkg.getName());
DialectCompiletimeRegistry dialectRegistry =
pkgBuilder.getPackageRegistry(pkg.getName()).getDialectCompiletimeRegistry();
MVELDialect mvelDialect = (MVELDialect) dialectRegistry.getDialect(pkgRegistry.getDialect());
final InstrumentedBuildContent context =
new InstrumentedBuildContent(pkgBuilder, ruleDescr, dialectRegistry, pkg, mvelDialect);
final InstrumentedDeclarationScopeResolver declarationResolver =
new InstrumentedDeclarationScopeResolver();
final ObjectType cheeseObjeectType = new ClassObjectType(Cheese.class);
final Pattern pattern = new Pattern(0, cheeseObjeectType);
final PatternExtractor extractor = new PatternExtractor(cheeseObjeectType);
final Declaration declaration = new Declaration("cheese", extractor, pattern);
final Map<String, Declaration> map = new HashMap<String, Declaration>();
map.put("cheese", declaration);
declarationResolver.setDeclarations(map);
context.setDeclarationResolver(declarationResolver);
final MVELConsequenceBuilder builder = new MVELConsequenceBuilder();
builder.build(context, RuleImpl.DEFAULT_CONSEQUENCE_NAME);
InternalKnowledgeBase kBase = (InternalKnowledgeBase) KnowledgeBaseFactory.newKnowledgeBase();
StatefulKnowledgeSessionImpl ksession =
(StatefulKnowledgeSessionImpl) kBase.newStatefulKnowledgeSession();
final Cheese cheddar = new Cheese("cheddar", 10);
final InternalFactHandle f0 = (InternalFactHandle) ksession.insert(cheddar);
final LeftTupleImpl tuple = new LeftTupleImpl(f0, null, true);
final AgendaItem item = new AgendaItemImpl(0, tuple, 10, null, null, null);
final DefaultKnowledgeHelper kbHelper = new DefaultKnowledgeHelper(ksession);
kbHelper.setActivation(item);
try {
((MVELConsequence) context.getRule().getConsequence())
.compile(
(MVELDialectRuntimeData)
pkgBuilder
.getPackageRegistry(pkg.getName())
.getDialectRuntimeRegistry()
.getDialectData("mvel"));
context.getRule().getConsequence().evaluate(kbHelper, ksession);
fail("should throw an exception, as 'if' is not allowed");
} catch (Exception e) {
}
assertEquals(10, cheddar.getPrice());
}
@Test
public void testSimpleExpression() throws Exception {
PackageDescr pkgDescr = new PackageDescr("pkg1");
KnowledgeBuilderImpl pkgBuilder = new KnowledgeBuilderImpl();
pkgBuilder.addPackage(pkgDescr);
InternalKnowledgePackage pkg = pkgBuilder.getPackageRegistry("pkg1").getPackage();
final RuleDescr ruleDescr = new RuleDescr("rule 1");
ruleDescr.setNamespace("pkg1");
ruleDescr.setConsequence("modify (cheese) {price = 5 };\nretract (cheese)");
DialectCompiletimeRegistry dialectRegistry =
pkgBuilder.getPackageRegistry(pkg.getName()).getDialectCompiletimeRegistry();
MVELDialect mvelDialect = (MVELDialect) dialectRegistry.getDialect("mvel");
final InstrumentedBuildContent context =
new InstrumentedBuildContent(pkgBuilder, ruleDescr, dialectRegistry, pkg, mvelDialect);
final InstrumentedDeclarationScopeResolver declarationResolver =
new InstrumentedDeclarationScopeResolver();
final ObjectType cheeseObjeectType = new ClassObjectType(Cheese.class);
final Pattern pattern = new Pattern(0, cheeseObjeectType, "cheese");
final GroupElement subrule = new GroupElement(GroupElement.AND);
subrule.addChild(pattern);
final Map<String, Declaration> map = new HashMap<String, Declaration>();
map.put("cheese", pattern.getDeclaration());
declarationResolver.setDeclarations(map);
context.setDeclarationResolver(declarationResolver);
final MVELConsequenceBuilder builder = new MVELConsequenceBuilder();
builder.build(context, RuleImpl.DEFAULT_CONSEQUENCE_NAME);
InternalKnowledgeBase kBase = (InternalKnowledgeBase) KnowledgeBaseFactory.newKnowledgeBase();
PropagationContextFactory pctxFactory =
kBase.getConfiguration().getComponentFactory().getPropagationContextFactory();
kBase.addPackage(pkg);
StatefulKnowledgeSessionImpl ksession =
(StatefulKnowledgeSessionImpl) kBase.newStatefulKnowledgeSession();
final Cheese cheddar = new Cheese("cheddar", 10);
final InternalFactHandle f0 = (InternalFactHandle) ksession.insert(cheddar);
final LeftTupleImpl tuple = new LeftTupleImpl(f0, null, true);
f0.removeLeftTuple(tuple);
final AgendaItem item =
new AgendaItemImpl(
0,
tuple,
10,
pctxFactory.createPropagationContext(1, 1, null, tuple, null),
new RuleTerminalNode(
0,
new CompositeObjectSinkAdapterTest.MockBetaNode(),
context.getRule(),
subrule,
0,
new BuildContext(kBase, null)),
null);
final DefaultKnowledgeHelper kbHelper = new DefaultKnowledgeHelper(ksession);
kbHelper.setActivation(item);
((MVELConsequence) context.getRule().getConsequence())
.compile(
(MVELDialectRuntimeData)
pkgBuilder
.getPackageRegistry(pkg.getName())
.getDialectRuntimeRegistry()
.getDialectData("mvel"));
context.getRule().getConsequence().evaluate(kbHelper, ksession);
assertEquals(5, cheddar.getPrice());
}
@Before
public void setUp() throws Exception {
this.kBase = (InternalKnowledgeBase) KnowledgeBaseFactory.newKnowledgeBase();
this.buildContext = new BuildContext(kBase, kBase.getReteooBuilder().getIdGenerator());
}