}
}
private void initProcessActivationListener() {
addEventListener(new DefaultAgendaEventListener() {
public void activationCreated(ActivationCreatedEvent event, WorkingMemory workingMemory) {
String ruleFlowGroup = event.getActivation().getRule().getRuleFlowGroup();
if ("DROOLS_SYSTEM".equals(ruleFlowGroup)) {
// new activations of the rule associate with a state node
// signal process instances of that state node