public void cancelActivation(
final LeftTuple leftTuple,
final PropagationContext context,
final InternalWorkingMemory workingMemory,
final Activation activation,
final TerminalNode rtn) {
AgendaItem item = (AgendaItem) activation;
item.removeAllBlockersAndBlocked(this);
if (isDeclarativeAgenda() && activation.getFactHandle() == null) {
// This a control rule activation, nothing to do except update counters. As control rules are
// not in agenda-groups etc.
return;
} else {
// we are retracting an actual Activation, so also remove it and it's handle from the WM.
removeActivation(item);
}
if (activation.isQueued()) {
// on fact expiration, we don't remove the activation, but let it fire
if (context.getType() == PropagationContext.EXPIRATION
&& context.getFactHandleOrigin() != null) {
} else {
activation.remove();
if (activation.getActivationGroupNode() != null) {
activation.getActivationGroupNode().getActivationGroup().removeActivation(activation);
}
leftTuple.decreaseActivationCountForEvents();
((EventSupport) workingMemory)
.getAgendaEventSupport()
.fireActivationCancelled(activation, workingMemory, MatchCancelledCause.WME_MODIFY);
}
}
if (item.getActivationUnMatchListener() != null) {
item.getActivationUnMatchListener().unMatch(workingMemory.getKnowledgeRuntime(), item);
}
TruthMaintenanceSystemHelper.removeLogicalDependencies(activation, context, rtn.getRule());
}
/*
* (non-Javadoc)
*
* @see org.kie.common.AgendaI#clearActivationGroup(org.kie.spi.ActivationGroup)
*/
public void clearAndCancelActivationGroup(final InternalActivationGroup activationGroup) {
final EventSupport eventsupport = (EventSupport) this.workingMemory;
activationGroup.setTriggeredForRecency(this.workingMemory.getFactHandleFactory().getRecency());
for (final Iterator it = activationGroup.iterator(); it.hasNext(); ) {
final ActivationGroupNode node = (ActivationGroupNode) it.next();
final Activation activation = node.getActivation();
activation.setActivationGroupNode(null);
if (activation.isQueued()) {
activation.setQueued(false);
activation.remove();
eventsupport
.getAgendaEventSupport()
.fireActivationCancelled(activation, this.workingMemory, MatchCancelledCause.CLEAR);
}
}
activationGroup.reset();
}
