Package org.drools.core.phreak

Examples of org.drools.core.phreak.RuleAgendaItem

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                this.previousBlocked.remove( dep );

                AgendaItem justified = ( AgendaItem ) dep.getJustified();
                justified.getBlockers().remove( (SimpleMode) dep.getMode());
                if (justified.getBlockers().isEmpty() ) {
                    RuleAgendaItem ruleAgendaItem = justified.getRuleAgendaItem();
                    ((InternalAgenda) workingMemory.getAgenda()).stageLeftTuple(ruleAgendaItem, justified);
                }
                dep = tmp;
            }
        }       
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                                               final PathMemory rs,
                                               final TerminalNode rtn ) {
        String agendaGroupName = rtn.getRule().getAgendaGroup();
        String ruleFlowGroupName = rtn.getRule().getRuleFlowGroup();

        RuleAgendaItem lazyAgendaItem;
        if ( !StringUtils.isEmpty(ruleFlowGroupName) ) {
            lazyAgendaItem = new RuleAgendaItem( activationCounter++, null, salience, null, rs, rtn, isDeclarativeAgenda(), (InternalAgendaGroup) getAgendaGroup( ruleFlowGroupName ));
        }  else {
            lazyAgendaItem = new RuleAgendaItem( activationCounter++, null, salience, null, rs, rtn, isDeclarativeAgenda(), (InternalAgendaGroup) getRuleFlowGroup( agendaGroupName ));
        }

        return lazyAgendaItem;
    }
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                this.workingMemory.prepareToFireActivation();
                tryagain = false;
                final InternalAgendaGroup group = getNextFocus();
                // if there is a group with focus
                if ( group != null ) {
                    RuleAgendaItem item;
                    if ( workingMemory.getKnowledgeBase().getConfiguration().isSequential() ) {
                        item = (RuleAgendaItem) group.remove();
                        item.setBlocked(true);
                    }   else {
                        item = (RuleAgendaItem) group.peek();
                    }

                    if (item != null) {
                        if (streamMode) {
                            garbageCollector.remove(item);
                        }

                        evaluateQueriesForRule(item);
                        localFireCount = item.getRuleExecutor().evaluateNetworkAndFire(this.workingMemory, filter,
                                                                                       fireCount, fireLimit);
                        if ( localFireCount == 0 ) {
                            // nothing matched
                            tryagain = true; // will force the next Activation of the agenda, without going to outer loop which checks halt
                            this.workingMemory.executeQueuedActions(); // There may actions to process, which create new rule matches
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    }

    public void evaluateEagerList() {
        synchronized (eager) {
            while ( !eager.isEmpty() ) {
                RuleAgendaItem item = eager.removeFirst();
                evaluateQueriesForRule(item);
                RuleExecutor ruleExecutor = item.getRuleExecutor();
                ruleExecutor.flushTupleQueue(ruleExecutor.getPathMemory().getStreamQueue());
                ruleExecutor.evaluateNetwork(this.workingMemory);
            }
        }
    }
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    private void evaluateQueriesForRule(RuleAgendaItem item) {
        RuleImpl rule = item.getRule();
        if (!rule.isQuery()) {
            for (QueryImpl query : rule.getDependingQueries()) {
                RuleAgendaItem queryAgendaItem = queries.remove(query);
                if (queryAgendaItem != null) {
                    RuleExecutor ruleExecutor = queryAgendaItem.getRuleExecutor();
                    ruleExecutor.flushTupleQueue(ruleExecutor.getPathMemory().getStreamQueue());
                    ruleExecutor.evaluateNetwork(this.workingMemory);
                }
            }
        }
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        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
                RuleAgendaItem ruleAgendaItem = (RuleAgendaItem) act;
                ruleAgendaItem.getRuleExecutor().evaluateNetwork(workingMemory);
                LeftTupleList list = ruleAgendaItem.getRuleExecutor().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;
                        }
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        }

        List<PathMemory> pmems =  lmem.getSegmentMemory().getPathMemories();
        for ( int i = 0, length = pmems.size(); i < length; i++ ) {
            PathMemory rm = pmems.get( i );
            RuleAgendaItem evaluator = agenda.createRuleAgendaItem(Integer.MAX_VALUE, rm, (TerminalNode) rm.getNetworkNode());
            evaluator.getRuleExecutor().setDirty(true);
            evaluator.getRuleExecutor().evaluateNetworkAndFire(this, null, 0, -1);
        }

        return tnodes;
    }
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            List<PathMemory> pmems =  lmem.getSegmentMemory().getPathMemories();
            for ( int i = 0, length = pmems.size(); i < length; i++ ) {
                PathMemory rm = pmems.get( i );

                RuleAgendaItem evaluator = agenda.createRuleAgendaItem(Integer.MAX_VALUE, rm, (TerminalNode) rm.getNetworkNode());
                evaluator.getRuleExecutor().setDirty(true);
                evaluator.getRuleExecutor().evaluateNetworkAndFire(this, null, 0, -1);
            }

            getFactHandleFactory().destroyFactHandle( factHandle );

        } finally {
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    /**
     * Helper method
     */
    public Map getActivationParameters(Activation activation) {
        if (activation instanceof RuleAgendaItem) {
            RuleAgendaItem ruleAgendaItem = (RuleAgendaItem)activation;
            LeftTupleList tupleList = ruleAgendaItem.getRuleExecutor().getLeftTupleList();
            Map result = new TreeMap();
            int i = 0;
            for (LeftTuple tuple = tupleList.getFirst(); tuple != null; tuple = (LeftTuple) tuple.getNext()) {
                Map params = getActivationParameters(tuple);
                result.put("Parameters set [" + i++ + "]", (Map.Entry[]) params.entrySet().toArray(new Map.Entry[params.size()]));
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            ((AgendaItem)dep.getJustifier()).removeBlocked( dep );
            entry = tmp;
        }
       
        if ( wasBlocked ) {
            RuleAgendaItem ruleAgendaItem = targetMatch.getRuleAgendaItem();
            InternalAgenda agenda = (InternalAgenda) workingMemory.getAgenda();
            agenda.stageLeftTuple(ruleAgendaItem, targetMatch);
        }
    }
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Related Classes of org.drools.core.phreak.RuleAgendaItem

  • org.drools.compiler.integrationtests.ExecutionFlowControlTest
  • org.drools.core.base.DefaultKnowledgeHelper
  • org.drools.core.common.AbstractWorkingMemory
  • org.drools.core.common.DefaultAgenda
  • org.drools.core.common.PhreakActiveActivationIterator
  • org.drools.core.impl.StatefulKnowledgeSessionImpl
  • org.drools.core.marshalling.impl.ProtobufInputMarshaller$PBActivationsFilter
  • org.drools.core.reteoo.ReteooWorkingMemory
  • org.drools.reteoo.common.ReteAgenda
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