/*
* (non-Javadoc)
*
* @see org.kie.common.AgendaI#getNextFocus()
*/
public InternalAgendaGroup getNextFocus() {
InternalAgendaGroup agendaGroup;
// Iterate until we find a populate AgendaModule or we reach the MAIN,
// default, AgendaGroup
while (true) {
agendaGroup = (InternalAgendaGroup) this.focusStack.getLast();
if (!agendaGroup.isAutoDeactivate()) {
// does not automatically pop, when empty, so always return, even if empty
break;
}
final boolean empty = agendaGroup.isEmpty();
// No populated queues found so pop the focusStack and repeat
if (empty && (this.focusStack.size() > 1)) {
agendaGroup.setActive(false);
this.focusStack.removeLast();
if (agendaGroup.isAutoDeactivate() && !agendaGroup.getNodeInstances().isEmpty()) {
innerDeactiveRuleFlowGroup((InternalRuleFlowGroup) agendaGroup);
}
final EventSupport eventsupport = (EventSupport) this.workingMemory;
eventsupport.getAgendaEventSupport().fireAgendaGroupPopped(agendaGroup, this.workingMemory);
} else {
agendaGroup = (empty) ? null : agendaGroup;
break;
}
}
if (agendaGroup != null && !agendaGroup.isActive()) {
// only update recency, if not already active. It may be active already if the use called
// setFocus
agendaGroup.setActivatedForRecency(this.workingMemory.getFactHandleFactory().getRecency());
agendaGroup.setActive(true);
}
return agendaGroup;
}
