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();
}
private void collectDependentNames(Set<String> usedNames) {
Set<String> tmp = listeners.keySet(); // clone internal name list
usedNames.addAll(tmp);
for (EclipseContext childContext : getChildren()) {
childContext.collectDependentNames(usedNames);
}
}