Examples with Consequence org.drools.core.spi.Consequence used on opensource projects

Example 1 with Consequence

use of org.drools.core.spi.Consequence in project drools by kiegroup.

the class MarshallingTest method testScheduledActivation.

@Test
@Ignore("This test is suspicious to say the least...")
public void testScheduledActivation() {
    KnowledgeBaseImpl knowledgeBase = (KnowledgeBaseImpl) KnowledgeBaseFactory.newKnowledgeBase();
    KnowledgePackageImpl impl = new KnowledgePackageImpl("test");
    BuildContext buildContext = new BuildContext(knowledgeBase);
    // simple rule that fires after 10 seconds
    final RuleImpl rule = new RuleImpl("test-rule");
    new RuleTerminalNode(1, new MockTupleSource(2), rule, rule.getLhs(), 0, buildContext);
    final List<String> fired = new ArrayList<String>();
    rule.setConsequence(new Consequence() {

        public void evaluate(KnowledgeHelper knowledgeHelper, WorkingMemory workingMemory) throws Exception {
            fired.add("a");
        }

        public String getName() {
            return "default";
        }
    });
    rule.setTimer(new DurationTimer(10000));
    rule.setPackage("test");
    impl.addRule(rule);
    knowledgeBase.addPackages(Collections.singleton(impl));
    SessionConfiguration config = SessionConfiguration.newInstance();
    config.setClockType(ClockType.PSEUDO_CLOCK);
    KieSession ksession = knowledgeBase.newKieSession(config, KieServices.get().newEnvironment());
    PseudoClockScheduler scheduler = (PseudoClockScheduler) ksession.<SessionClock>getSessionClock();
    Marshaller marshaller = MarshallerFactory.newMarshaller(knowledgeBase);
    ksession.insert("cheese");
    assertTrue(fired.isEmpty());
    // marshall, then unmarshall session
    readWrite(knowledgeBase, ksession, config);
    // the activations should fire after 10 seconds
    assertTrue(fired.isEmpty());
    scheduler.advanceTime(12, TimeUnit.SECONDS);
    assertFalse(fired.isEmpty());
}

Example 2 with Consequence

use of org.drools.core.spi.Consequence in project drools by kiegroup.

the class DisposeCommandPublicAPITest method testDisposeCommand.

@Test
public void testDisposeCommand() {
    InternalKnowledgeBase kBase;
    RuleImpl rule;
    InternalKnowledgePackage pkg;
    kBase = KnowledgeBaseFactory.newKnowledgeBase();
    pkg = new KnowledgePackageImpl("org.droos.test");
    pkg.setClassFieldAccessorCache(new ClassFieldAccessorCache(Thread.currentThread().getContextClassLoader()));
    JavaDialectRuntimeData data = new JavaDialectRuntimeData();
    data.onAdd(pkg.getDialectRuntimeRegistry(), kBase.getRootClassLoader());
    pkg.getDialectRuntimeRegistry().setDialectData("java", data);
    rule = new RuleImpl("Test");
    rule.setDialect("java");
    rule.setConsequence(new Consequence() {

        public void evaluate(KnowledgeHelper knowledgeHelper, WorkingMemory workingMemory) throws Exception {
        }

        public String getName() {
            return "default";
        }
    });
    pkg.addRule(rule);
    kBase.addPackage(pkg);
    KieSession session = kBase.newKieSession();
    Command dispose = KieServices.Factory.get().getCommands().newDispose();
    session.insert("whatever");
    session.fireAllRules();
    session.execute(dispose);
    try {
        session.insert("whatever");
    } catch (Exception e) {
        Assert.assertEquals(e.getMessage(), "Illegal method call. This session was previously disposed.");
    }
}

Example 3 with Consequence

use of org.drools.core.spi.Consequence in project drools by kiegroup.

the class BaseMannersTest method getContinueProcessing.

/**
 * <pre>
 * rule continue() {
 *     Context context;
 *     when {
 *         context : Context( state == Context.CHECK_DONE )
 *     } then {
 *         context.setState( Context.ASSIGN_SEATS );
 *     }
 * }
 * </pre>
 * @return
 * @throws InvalidRuleException
 */
private RuleImpl getContinueProcessing() throws InvalidRuleException {
    final RuleImpl rule = new RuleImpl("continueProcessng");
    // -----------
    // context : Context( state == Context.CHECK_DONE )
    // -----------
    final Pattern contextPattern = new Pattern(0, this.contextType, "context");
    contextPattern.addConstraint(getLiteralConstraint(contextPattern, "state", Context.CHECK_DONE));
    rule.addPattern(contextPattern);
    final Declaration contextDeclaration = rule.getDeclaration("context");
    // ------------
    // context.setName( Context.ASSIGN_SEATS );
    // ------------
    final Consequence consequence = new Consequence() {

        public void evaluate(KnowledgeHelper drools, WorkingMemory workingMemory) throws ConsequenceException {
            try {
                RuleImpl rule = drools.getRule();
                LeftTuple tuple = (LeftTuple) drools.getTuple();
                Context context = (Context) drools.get(contextDeclaration);
                context.setState(Context.ASSIGN_SEATS);
                drools.update(tuple.get(contextDeclaration), context);
            // System.err.println( "continue processing" );
            } catch (Exception e) {
                e.printStackTrace();
                throw new ConsequenceException(e);
            }
        }

        public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
        }

        public void writeExternal(ObjectOutput out) throws IOException {
        }

        public String getName() {
            return "default";
        }
    };
    rule.setConsequence(consequence);
    return rule;
}

Example 4 with Consequence

use of org.drools.core.spi.Consequence in project drools by kiegroup.

the class BaseMannersTest method getAllDone.

/**
 * <pre>
 * rule all_done() {
 *     Context context;
 *     when {
 *         context : Context( state == Context.PRINT_RESULTS )
 *     } then {
 *     }
 * }
 * </pre>
 *
 * @return
 * @throws InvalidRuleException
 */
private RuleImpl getAllDone() throws InvalidRuleException {
    final RuleImpl rule = new RuleImpl("alldone");
    // -----------
    // context : Context( state == Context.PRINT_RESULTS )
    // -----------
    final Pattern contextPattern = new Pattern(0, this.contextType);
    contextPattern.addConstraint(getLiteralConstraint(contextPattern, "state", Context.PRINT_RESULTS));
    rule.addPattern(contextPattern);
    final Declaration contextDeclaration = rule.getDeclaration("context");
    // ------------
    // 
    // ------------
    final Consequence consequence = new Consequence() {

        public void evaluate(KnowledgeHelper drools, WorkingMemory workingMemory) throws ConsequenceException {
            try {
                System.err.println("all done");
            } catch (Exception e) {
                throw new ConsequenceException(e);
            }
        }

        public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
        }

        public void writeExternal(ObjectOutput out) throws IOException {
        }

        public String getName() {
            return "default";
        }
    };
    rule.setConsequence(consequence);
    return rule;
}

Example 5 with Consequence

use of org.drools.core.spi.Consequence in project drools by kiegroup.

the class BaseMannersTest method getMakePath.

/**
 * <pre>
 *    rule makePath() {
 *        Context context;
 *        int seatingId, seatingPid, pathSeat;
 *        String pathGuestName;
 *
 *        when {
 *            Context( state == Context.MAKE_PATH )
 *            Seating( seatingId:id, seatingPid:pid, pathDone == false )
 *            Path( id == seatingPid, pathGuestName:guest, pathSeat:seat )
 *            (not Path( id == seatingId, guestName == pathGuestName )
 *        } else {
 *            drools.assert( new Path( seatingId, pathSeat, pathGuestName ) );
 *
 *        }
 *    }
 * </pre>
 *
 * @return
 * @throws InvalidRuleException
 */
private RuleImpl getMakePath() throws InvalidRuleException {
    final RuleImpl rule = new RuleImpl("makePath");
    // -----------
    // context : Context( state == Context.MAKE_PATH )
    // -----------
    final Pattern contextPattern = new Pattern(0, this.contextType);
    contextPattern.addConstraint(getLiteralConstraint(contextPattern, "state", Context.MAKE_PATH));
    rule.addPattern(contextPattern);
    // ---------------
    // Seating( seatingId:id, seatingPid:pid, pathDone == false )
    // ---------------
    final Pattern seatingPattern = new Pattern(1, this.seatingType);
    setFieldDeclaration(seatingPattern, "id", "seatingId");
    setFieldDeclaration(seatingPattern, "pid", "seatingPid");
    seatingPattern.addConstraint(getLiteralConstraint(seatingPattern, "pathDone", false));
    rule.addPattern(seatingPattern);
    final Declaration seatingIdDeclaration = rule.getDeclaration("seatingId");
    final Declaration seatingPidDeclaration = rule.getDeclaration("seatingPid");
    // -----------
    // Path( id == seatingPid, pathGuestName:guestName, pathSeat:seat )
    // -----------
    final Pattern pathPattern = new Pattern(2, this.pathType);
    pathPattern.addConstraint(getBoundVariableConstraint(pathPattern, "id", seatingPidDeclaration, "=="));
    setFieldDeclaration(pathPattern, "guestName", "pathGuestName");
    setFieldDeclaration(pathPattern, "seat", "pathSeat");
    rule.addPattern(pathPattern);
    final Declaration pathGuestNameDeclaration = rule.getDeclaration("pathGuestName");
    final Declaration pathSeatDeclaration = rule.getDeclaration("pathSeat");
    // -------------
    // (not Path( id == seatingId, guestName == pathGuestName )
    // -------------
    final Pattern notPathPattern = new Pattern(3, this.pathType);
    notPathPattern.addConstraint(getBoundVariableConstraint(notPathPattern, "id", seatingIdDeclaration, "=="));
    notPathPattern.addConstraint(getBoundVariableConstraint(notPathPattern, "guestName", pathGuestNameDeclaration, "=="));
    final GroupElement not = GroupElementFactory.newNotInstance();
    not.addChild(notPathPattern);
    rule.addPattern(not);
    // ------------
    // drools.assert( new Path( id, pathName, pathSeat ) );
    // ------------
    final Consequence consequence = new Consequence() {

        public void evaluate(KnowledgeHelper drools, WorkingMemory workingMemory) throws ConsequenceException {
            try {
                RuleImpl rule = drools.getRule();
                LeftTuple tuple = (LeftTuple) drools.getTuple();
                int id = seatingIdDeclaration.getExtractor().getIntValue((InternalWorkingMemory) workingMemory, tuple.get(seatingIdDeclaration).getObject());
                int seat = pathSeatDeclaration.getExtractor().getIntValue((InternalWorkingMemory) workingMemory, tuple.get(pathSeatDeclaration).getObject());
                String guestName = (String) drools.get(pathGuestNameDeclaration);
                Path path = new Path(id, seat, guestName);
                drools.insert(path);
            // System.err.println( "make path : " + path );
            } catch (Exception e) {
                e.printStackTrace();
                throw new ConsequenceException(e);
            }
        }

        public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
        }

        public void writeExternal(ObjectOutput out) throws IOException {
        }

        public String getName() {
            return "default";
        }
    };
    rule.setConsequence(consequence);
    return rule;
}