@Override
public <ET extends Event> void push(ET event) {
List<Subscriber<ET>> subscribers;
synchronized (registeredSubscribers) {
if (!registeredSubscribers.containsKey(event.getClass())) return;
// Inspection disabled because all inserts in to registeredSubscribers are type insured
// due to type erasure, we can not have per-pair types.
// noinspection unchecked
subscribers =
(List<Subscriber<ET>>) new ArrayList(registeredSubscribers.get(event.getClass()));
}
for (Subscriber<ET> subscriber : subscribers) {
boolean txDeterminate = true;
for (ListenerFilter filter : subscriber.getFilters()) {
// This can only occur if someone f***s something up in an annotation, as listeners should
// be typesafe when passed to subscribers
// noinspection unchecked
txDeterminate = txDeterminate && filter.shouldSend(event);
}
if (txDeterminate) subscriber.eventReceived(event);
}
}
/** Factory method for constructing resolver that maps from Enum.toString() into Enum value */
public static <ET extends Enum<ET>> EnumResolver<ET> constructUsingToString(Class<ET> enumCls) {
ET[] enumValues = enumCls.getEnumConstants();
HashMap<String, ET> map = new HashMap<String, ET>();
// from last to first, so that in case of duplicate values, first wins
for (int i = enumValues.length; --i >= 0; ) {
ET e = enumValues[i];
map.put(e.toString(), e);
}
return new EnumResolver<ET>(enumCls, enumValues, map);
}