Package org.drools.spi

Examples of org.drools.spi.Activation

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        for( ProtobufMessages.Justification _justification : _tms.getJustificationList() ) {
            InternalFactHandle handle = (InternalFactHandle) context.handles.get( _justification.getHandleId() );
           
            for( ProtobufMessages.Activation _activation : _justification.getActivationList() ) {
                Activation activation = (Activation) context.filter.getTuplesCache().get(
                              PersisterHelper.createActivationKey( _activation.getPackageName(),
                                                                   _activation.getRuleName(),
                                                                   _activation.getTuple() ) ).getObject();
                PropagationContext pc = activation.getPropagationContext();
                ObjectTypeConf typeConf = context.wm.getObjectTypeConfigurationRegistry().getObjectTypeConf( ((NamedEntryPoint)handle.getEntryPoint()).getEntryPoint(),
                                                                                                             handle.getObject() );               
                tms.readLogicalDependency( handle,
                                           null,
                                           activation,
                                           pc,
                                           activation.getRule(),
                                           typeConf );
            }
        }
    }
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        // or could be true due to lock-on-active blocking activation creation
        if ( obj == null || obj == Boolean.TRUE) {
            return;
        }

        Activation activation = (Activation) obj;
        activation.setMatched( false );
       
        InternalAgenda agenda = (InternalAgenda) workingMemory.getAgenda();

        agenda.cancelActivation( leftTuple,
                                 context,
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                            final InternalWorkingMemory workingMemory) {
            if ( leftTuple.getLeftTupleSink() != node ) {
                return;
            }

            final Activation activation = (Activation) leftTuple.getObject();

            // this is to catch a race condition as activations are activated and unactivated on timers
            if ( activation instanceof ScheduledAgendaItem ) {
                ScheduledAgendaItem scheduled = (ScheduledAgendaItem) activation;
                workingMemory.getTimerService().removeJob( scheduled.getJobHandle() );
                scheduled.getJobHandle().setCancel( true );
            }

            if ( activation.isActivated() ) {
                activation.remove();
                ((EventSupport) workingMemory).getAgendaEventSupport().fireActivationCancelled( activation,
                                                                                                workingMemory,
                                                                                                ActivationCancelledCause.CLEAR );
            }
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        } else {
            ((EventSupport) this.workingMemory).getAgendaEventSupport().fireBeforeRuleFlowGroupDeactivated( this,
                                                                                                              this.workingMemory );
            final Iterator it = this.list.iterator();
            for ( ActivationNode node = (ActivationNode) it.next(); node != null; node = (ActivationNode) it.next() ) {
                final Activation activation = node.getActivation();
                activation.remove();
                if ( activation.getActivationGroupNode() != null ) {
                    activation.getActivationGroupNode().getActivationGroup().removeActivation( activation );
                }
            }
            nodeInstances.clear();
            notifyRuleFlowGroupListeners();
            ((EventSupport) this.workingMemory).getAgendaEventSupport().fireAfterRuleFlowGroupDeactivated( this,
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    private void triggerActivations() {
        // iterate all activations adding them to their AgendaGroups
        final Iterator it = this.list.iterator();
        for ( ActivationNode node = (ActivationNode) it.next(); node != null; node = (ActivationNode) it.next() ) {
            final Activation activation = node.getActivation();
            ((InternalAgendaGroup) activation.getAgendaGroup()).add( activation );
        }
        // making sure we re-evaluate agenda in case we are waiting for activations
        ((InternalAgenda) workingMemory.getAgenda()).notifyHalt();
    }
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    }

    public void retractLeftTuple(final LeftTuple leftTuple,
                                 final PropagationContext context,
                                 final InternalWorkingMemory workingMemory) {
        final Activation activation = (Activation) leftTuple.getObject();

        // activation can be null if the LeftTuple previous propagated into a no-loop
        if ( activation == null ) {
            return;
        }

        if ( activation.isActivated() ) {
            // on fact expiration, we don't remove the activation, but let it fire
            if ( context.getType() == PropagationContext.EXPIRATION && context.getFactHandleOrigin() != null ) {
                EventFactHandle efh = (EventFactHandle) context.getFactHandleOrigin();
                efh.increaseActivationsCount();
            } else {
                activation.remove();

                if ( activation.getActivationGroupNode() != null ) {
                    activation.getActivationGroupNode().getActivationGroup().removeActivation( activation );
                }

                if ( activation.getActivationNode() != null ) {
                    final InternalRuleFlowGroup ruleFlowGroup = (InternalRuleFlowGroup) activation.getActivationNode().getParentContainer();
                    ruleFlowGroup.removeActivation( activation );
                }

                ((EventSupport) workingMemory).getAgendaEventSupport().fireActivationCancelled( activation,
                                                                                                workingMemory,
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                            final InternalWorkingMemory workingMemory) {
            if ( leftTuple.getLeftTupleSink() != node ) {
                return;
            }

            final Activation activation = (Activation) leftTuple.getObject();

            if ( activation.isActivated() ) {
                activation.remove();
                ((EventSupport) workingMemory).getAgendaEventSupport().fireActivationCancelled( activation,
                                                                                                workingMemory,
                                                                                                ActivationCancelledCause.CLEAR );
            }
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    public void clearAndCancelActivationGroup(final ActivationGroup activationGroup) {
        final EventSupport eventsupport = (EventSupport) this.workingMemory;

        for ( final Iterator it = activationGroup.iterator(); it.hasNext(); ) {
            final ActivationGroupNode node = (ActivationGroupNode) it.next();
            final Activation activation = node.getActivation();
            activation.setActivationGroupNode( null );

            if ( activation.isActivated() ) {
                activation.setActivated( false );
                activation.remove();

                if ( activation.getActivationNode() != null ) {
                    final InternalRuleFlowGroup ruleFlowGroup = (InternalRuleFlowGroup) activation.getActivationNode().getParentContainer();
                    ruleFlowGroup.removeActivation( activation );
                }

                eventsupport.getAgendaEventSupport().fireActivationCancelled( activation,
                                                                              this.workingMemory,
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                                               long processInstanceId) {

        RuleFlowGroup systemRuleFlowGroup = this.getRuleFlowGroup( ruleflowGroupName );

        for ( Iterator<ActivationNode> activations = systemRuleFlowGroup.iterator(); activations.hasNext(); ) {
            Activation activation = activations.next().getActivation();
            if ( ruleName.equals( activation.getRule().getName() ) ) {
                if ( checkProcessInstance( activation,
                                           processInstanceId ) ) {
                    return true;
                }
            }
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        return new ActivationIterator( ((InternalWorkingMemoryEntryPoint) ksession).getInternalWorkingMemory(),
                                       ksession.getKnowledgeBase() );
    }

    public Object next() {
        Activation acc = null;
        if ( this.currentLeftTuple != null ) {
            Object obj = currentLeftTuple.getObject();
            acc = obj == Boolean.TRUE ? null : (Activation)obj;
            currentLeftTuple = ( LeftTuple ) leftTupleIter.next();
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Related Classes of org.drools.spi.Activation

  • org.drools.common.ActivationIterator
  • org.drools.common.ActiveActivationIterator
  • org.drools.common.ArrayAgendaGroup
  • org.drools.common.DefaultAgenda
  • org.drools.common.RuleFlowGroupImpl
  • org.drools.compiler.PackageBuilderTest
  • org.drools.integrationtests.ExecutionFlowControlTest
  • org.drools.marshalling.impl.ProtobufInputMarshaller
  • org.drools.reteoo.AgendaTest
  • org.drools.reteoo.LogicalAssertionTest
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