Examples with EventSupport org.drools.core.common.EventSupport used on opensource projects

Example 1 with EventSupport

use of org.drools.core.common.EventSupport 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 2 with EventSupport

use of org.drools.core.common.EventSupport in project drools by kiegroup.

the class PhreakRuleTerminalNode method doLeftTupleInsert.

public static void doLeftTupleInsert(TerminalNode rtnNode, RuleExecutor executor, InternalAgenda agenda, RuleAgendaItem ruleAgendaItem, int salienceInt, Salience salience, LeftTuple leftTuple) {
    PropagationContext pctx = leftTuple.getPropagationContext();
    pctx = RuleTerminalNode.findMostRecentPropagationContext(leftTuple, pctx);
    if (rtnNode.getRule().isNoLoop() && rtnNode.equals(pctx.getTerminalNodeOrigin())) {
        return;
    }
    InternalWorkingMemory wm = agenda.getWorkingMemory();
    if (salience != null) {
        salienceInt = salience.getValue(new DefaultKnowledgeHelper((AgendaItem) leftTuple, wm), rtnNode.getRule(), wm);
    }
    RuleTerminalNodeLeftTuple rtnLeftTuple = (RuleTerminalNodeLeftTuple) leftTuple;
    agenda.createAgendaItem(rtnLeftTuple, salienceInt, pctx, ruleAgendaItem, ruleAgendaItem.getAgendaGroup());
    EventSupport es = (EventSupport) wm;
    es.getAgendaEventSupport().fireActivationCreated(rtnLeftTuple, wm);
    if (rtnNode.getRule().isLockOnActive() && leftTuple.getPropagationContext().getType() != PropagationContext.Type.RULE_ADDITION) {
        long handleRecency = pctx.getFactHandle().getRecency();
        InternalAgendaGroup agendaGroup = executor.getRuleAgendaItem().getAgendaGroup();
        if (blockedByLockOnActive(rtnNode.getRule(), pctx, handleRecency, agendaGroup)) {
            es.getAgendaEventSupport().fireActivationCancelled(rtnLeftTuple, wm, MatchCancelledCause.FILTER);
            return;
        }
    }
    if (agenda.getActivationsFilter() != null && !agenda.getActivationsFilter().accept(rtnLeftTuple, wm, rtnNode)) {
        // only relevant for seralization, to not refire Matches already fired
        return;
    }
    agenda.addItemToActivationGroup(rtnLeftTuple);
    executor.addLeftTuple(leftTuple);
    // increased here, decreased in Agenda's cancelActivation and fireActivation
    leftTuple.increaseActivationCountForEvents();
    if (!rtnNode.isFireDirect() && executor.isDeclarativeAgendaEnabled()) {
        agenda.insertAndStageActivation(rtnLeftTuple);
    }
}