public boolean createPostponedActivation(
final LeftTuple tuple,
final PropagationContext context,
final InternalWorkingMemory workingMemory,
final TerminalNode rtn) {
final RuleImpl rule = rtn.getRule();
AgendaItem item;
if (rule.getCalendars() != null) {
// for normal activations check for Calendar inclusion here, scheduled activations check on
// each trigger point
long timestamp = workingMemory.getSessionClock().getCurrentTime();
for (String cal : rule.getCalendars()) {
if (!workingMemory.getCalendars().get(cal).isTimeIncluded(timestamp)) {
return false;
}
}
}
InternalAgendaGroup agendaGroup = (InternalAgendaGroup) getAgendaGroup(rule.getAgendaGroup());
// do not add the activation if the rule is "lock-on-active" and the AgendaGroup is active
if (rule.isLockOnActive()
&& agendaGroup.isActive()
&& agendaGroup.getAutoFocusActivator() != context) {
return false;
}
item = createAgendaItem(tuple, 0, context, rtn, null, agendaGroup);
item.setSalience(
rule.getSalience()
.getValue(new DefaultKnowledgeHelper(item, workingMemory), rule, workingMemory));
if (activationsFilter != null && !activationsFilter.accept(item, workingMemory, rtn)) {
return false;
}
item.setQueued(true);
tuple.increaseActivationCountForEvents();
((EventSupport) workingMemory)
.getAgendaEventSupport()
.fireActivationCreated(item, workingMemory);
return true;
}
public boolean createActivation(
final LeftTuple tuple,
final PropagationContext context,
final InternalWorkingMemory workingMemory,
final TerminalNode rtn) {
// First process control rules
// Control rules do increase ActivationCountForEvent and agenda ActivateActivations, they do not
// currently fire events
// ControlRules for now re-use the same PropagationContext
if (rtn.isFireDirect()) {
// Fire RunLevel == 0 straight away. agenda-groups, rule-flow groups, salience are ignored
AgendaItem item = createAgendaItem(tuple, 0, context, rtn, null, null);
tuple.setObject(item);
if (activationsFilter != null && !activationsFilter.accept(item, workingMemory, rtn)) {
return false;
}
item.setQueued(true);
tuple.increaseActivationCountForEvents();
fireActivation(item); // Control rules fire straight away.
return true;
}
final RuleImpl rule = rtn.getRule();
AgendaItem item;
final Timer timer = rule.getTimer();
InternalAgendaGroup agendaGroup = (InternalAgendaGroup) getAgendaGroup(rule.getAgendaGroup());
if (timer != null) {
item = createScheduledAgendaItem(tuple, context, rtn, agendaGroup);
} else {
if (rule.getCalendars() != null) {
// for normal activations check for Calendar inclusion here, scheduled activations check on
// each trigger point
long timestamp = workingMemory.getSessionClock().getCurrentTime();
for (String cal : rule.getCalendars()) {
if (!workingMemory.getCalendars().get(cal).isTimeIncluded(timestamp)) {
return false;
}
}
}
if (rule.isLockOnActive()
&& agendaGroup.isActive()
&& agendaGroup.getAutoFocusActivator() != context) {
// do not add the activation if the rule is "lock-on-active" and the AgendaGroup is active
if (tuple.getObject() == null) {
tuple.setObject(
Boolean
.TRUE); // this is so we can do a check with a bit more intent than a null check
// on modify
}
return false;
}
item = createAgendaItem(tuple, 0, context, rtn, null, agendaGroup);
item.setSalience(
rule.getSalience()
.getValue(new DefaultKnowledgeHelper(item, workingMemory), rule, workingMemory));
}
if (activationsFilter != null && !activationsFilter.accept(item, workingMemory, rtn)) {
return false;
}
item.setQueued(true);
tuple.increaseActivationCountForEvents();
((EventSupport) workingMemory)
.getAgendaEventSupport()
.fireActivationCreated(item, workingMemory);
return true;
}