/** @deprecated since 0.9.0; for internal use only */
@Deprecated
protected Collection<SubscriptionHandle> getAllSubscriptions() {
SubscriptionTracker tracker = getSubscriptionTracker();
return (tracker != null)
? tracker.getAllSubscriptions()
: Collections.<SubscriptionHandle>emptyList();
}
/**
* Unsubscribes and clears all managed subscriptions; is called by the owning entity when a policy
* is removed and should always be called by any subclasses overriding this method
*/
public void destroy() {
destroyed.set(true);
SubscriptionTracker tracker = getSubscriptionTracker();
if (tracker != null) tracker.unsubscribeAll();
}