private void handleReparent(EclipseContext newParent, Set<Scheduled> scheduled) {
// TBD should we lock waiting list while doing reparent?
// Add "boolean inReparent" on the root context and process right away?
processWaiting();
// 1) everybody who depends on me: I need to collect combined list of names injected
Set<String> usedNames = new HashSet<String>();
collectDependentNames(usedNames);
// 2) for each used name:
for (Iterator<String> i = usedNames.iterator(); i.hasNext(); ) {
String name = i.next();
if (localValues.containsKey(name)) continue; // it is a local value
Object oldValue = get(name);
Object newValue = (newParent != null) ? newParent.get(name) : null;
if (oldValue != newValue) invalidate(name, ContextChangeEvent.ADDED, oldValue, scheduled);
}
ContextChangeEvent event =
new ContextChangeEvent(this, ContextChangeEvent.ADDED, null, null, null);
for (Computation computation : localValueComputations.values()) {
Collection<HashSet<Computation>> allListeners = listeners.values();
for (HashSet<Computation> group : allListeners) {
group.remove(computation);
}
computation.handleInvalid(event, scheduled);
}
localValueComputations.clear();
}
public void processWaiting() {
// traverse to the root node
EclipseContext parent = getParent();
if (parent != null) {
parent.processWaiting();
return;
}
if (waiting == null) return;
// create update notifications
Computation[] ls = waiting.toArray(new Computation[waiting.size()]);
waiting.clear();
ContextChangeEvent event =
new ContextChangeEvent(this, ContextChangeEvent.UPDATE, null, null, null);
for (int i = 0; i < ls.length; i++) {
if (ls[i] instanceof TrackableComputationExt) ((TrackableComputationExt) ls[i]).update(event);
}
}