Examples with RuleTerminalNodeLeftTuple org.drools.core.reteoo.RuleTerminalNodeLeftTuple used on opensource projects

Example 1 with RuleTerminalNodeLeftTuple

use of org.drools.core.reteoo.RuleTerminalNodeLeftTuple in project drools by kiegroup.

the class PhreakRuleTerminalNode method doLeftDelete.

public static void doLeftDelete(InternalAgenda agenda, RuleExecutor executor, Tuple leftTuple) {
    PropagationContext pctx = leftTuple.getPropagationContext();
    pctx = RuleTerminalNode.findMostRecentPropagationContext(leftTuple, pctx);
    RuleTerminalNodeLeftTuple rtnLt = (RuleTerminalNodeLeftTuple) leftTuple;
    rtnLt.setMatched(false);
    agenda.cancelActivation(leftTuple, pctx, rtnLt, rtnLt.getTerminalNode());
    if (leftTuple.getMemory() != null) {
        // Expiration propagations should not be removed from the list, as they still need to fire
        executor.removeLeftTuple(leftTuple);
    }
    leftTuple.setContextObject(null);
}

Example 2 with RuleTerminalNodeLeftTuple

use of org.drools.core.reteoo.RuleTerminalNodeLeftTuple in project drools by kiegroup.

the class PhreakRuleTerminalNode method doLeftTupleUpdate.

public static void doLeftTupleUpdate(TerminalNode rtnNode, RuleExecutor executor, InternalAgenda agenda, int salienceInt, Salience salience, LeftTuple leftTuple) {
    PropagationContext pctx = leftTuple.getPropagationContext();
    pctx = RuleTerminalNode.findMostRecentPropagationContext(leftTuple, pctx);
    boolean blocked = false;
    RuleTerminalNodeLeftTuple rtnLeftTuple = (RuleTerminalNodeLeftTuple) leftTuple;
    if (executor.isDeclarativeAgendaEnabled()) {
        if (rtnLeftTuple.getBlockers() != null && !rtnLeftTuple.getBlockers().isEmpty()) {
            // declarativeAgenda still blocking LeftTuple, so don't add back ot list
            blocked = true;
        }
    } else {
        blocked = rtnNode.getRule().isNoLoop() && rtnNode.equals(pctx.getTerminalNodeOrigin());
    }
    InternalWorkingMemory wm = agenda.getWorkingMemory();
    if (salience != null) {
        salienceInt = salience.getValue(new DefaultKnowledgeHelper(rtnLeftTuple, wm), rtnNode.getRule(), wm);
    }
    if (agenda.getActivationsFilter() != null && !agenda.getActivationsFilter().accept(rtnLeftTuple, wm, rtnNode)) {
        // only relevant for serialization, to not re-fire Matches already fired
        return;
    }
    if (!blocked) {
        boolean addToExector = true;
        if (rtnNode.getRule().isLockOnActive() && pctx.getType() != PropagationContext.Type.RULE_ADDITION) {
            long handleRecency = pctx.getFactHandle().getRecency();
            InternalAgendaGroup agendaGroup = executor.getRuleAgendaItem().getAgendaGroup();
            if (blockedByLockOnActive(rtnNode.getRule(), pctx, handleRecency, agendaGroup)) {
                addToExector = false;
            }
        }
        if (addToExector) {
            if (!rtnLeftTuple.isQueued()) {
                // not queued, so already fired, so it's effectively recreated
                EventSupport es = (EventSupport) wm;
                es.getAgendaEventSupport().fireActivationCreated(rtnLeftTuple, wm);
                rtnLeftTuple.update(salienceInt, pctx);
                executor.addLeftTuple(leftTuple);
                wm.getRuleEventSupport().onUpdateMatch(rtnLeftTuple);
            }
        }
    } else {
        // LeftTuple is blocked, and thus not queued, so just update it's values
        rtnLeftTuple.update(salienceInt, pctx);
    }
    if (!rtnNode.isFireDirect() && executor.isDeclarativeAgendaEnabled()) {
        agenda.modifyActivation(rtnLeftTuple, rtnLeftTuple.isQueued());
    }
}

Example 3 with RuleTerminalNodeLeftTuple

use of org.drools.core.reteoo.RuleTerminalNodeLeftTuple in project drools by kiegroup.

the class RuleExecutor method cancel.

public void cancel(InternalWorkingMemory wm, EventSupport es) {
    while (!tupleList.isEmpty()) {
        RuleTerminalNodeLeftTuple rtnLt = (RuleTerminalNodeLeftTuple) tupleList.removeFirst();
        if (queue != null) {
            queue.dequeue(rtnLt);
        }
        es.getAgendaEventSupport().fireActivationCancelled(rtnLt, wm, MatchCancelledCause.CLEAR);
    }
}

Example 4 with RuleTerminalNodeLeftTuple

use of org.drools.core.reteoo.RuleTerminalNodeLeftTuple in project drools by kiegroup.

the class TraitTest method testTupleIntegrityOnModification.

@Test
public void testTupleIntegrityOnModification() {
    String drl = "package test " + "import " + Entity.class.getName() + ";" + "global java.util.List list; " + "declare trait A @propertyReactive value : int end " + "rule Trait when " + "    $core: Entity( ) " + "then " + "    A o = don( $core, A.class ); " + "    System.out.println( 'Found ! ' + o ); " + "end " + "rule Test when " + "   $x: A( value == 0 ) " + "then " + "   list.add( 0 ); " + "end " + "rule Check when " + "   $x: A( value == 42 ) " + "then " + "   list.add( 42 ); " + "end " + "rule Mood when " + "  $x : A( value != 42 ) " + "then " + "  modify ( $x ) { setValue( 42 ); } " + "end ";
    KieBase kbase = getKieBaseFromString(drl);
    TraitFactory.setMode(mode, kbase);
    KieSession ksession = kbase.newKieSession();
    List list = new ArrayList();
    ksession.setGlobal("list", list);
    ksession.insert(new Entity());
    ksession.fireAllRules();
    for (final Object o : ksession.getObjects(new ObjectFilter() {

        @Override
        public boolean accept(Object object) {
            return object.getClass().getName().contains("test.A");
        }
    })) {
        InternalFactHandle handle = (InternalFactHandle) ksession.getFactHandle(o);
        LeftTuple first = handle.getFirstLeftTuple();
        assertTrue(first instanceof RuleTerminalNodeLeftTuple);
        assertEquals("Check", ((RuleTerminalNodeLeftTuple) first).getRule().getName());
    }
    assertEquals(Arrays.asList(0, 42), list);
}

Example 5 with RuleTerminalNodeLeftTuple

use of org.drools.core.reteoo.RuleTerminalNodeLeftTuple in project drools by kiegroup.

the class DefaultAgenda method isRuleInstanceAgendaItem.

public boolean isRuleInstanceAgendaItem(String ruleflowGroupName, String ruleName, long processInstanceId) {
    propagationList.flush();
    RuleFlowGroup systemRuleFlowGroup = this.getRuleFlowGroup(ruleflowGroupName);
    Match[] matches = ((InternalAgendaGroup) systemRuleFlowGroup).getActivations();
    for (Match match : matches) {
        Activation act = (Activation) match;
        if (act.isRuleAgendaItem()) {
            // The lazy RuleAgendaItem must be fully evaluated, to see if there is a rule match
            RuleExecutor ruleExecutor = ((RuleAgendaItem) act).getRuleExecutor();
            ruleExecutor.evaluateNetwork(this);
            TupleList list = ruleExecutor.getLeftTupleList();
            for (RuleTerminalNodeLeftTuple lt = (RuleTerminalNodeLeftTuple) list.getFirst(); lt != null; lt = (RuleTerminalNodeLeftTuple) lt.getNext()) {
                if (ruleName.equals(lt.getRule().getName())) {
                    if (checkProcessInstance(lt, processInstanceId)) {
                        return true;
                    }
                }
            }
        } else {
            if (ruleName.equals(act.getRule().getName())) {
                if (checkProcessInstance(act, processInstanceId)) {
                    return true;
                }
            }
        }
    }
    return false;
}