result.addAll(event.getEntries());
result.addAll(event.getPositiveEntries());
    public Set<Entry> getPayments() {	final Set<Entry> result = new HashSet<Entry>();	for (final Event event : getEventsSet()) {	    if (!event.isCancelled()) {		result.addAll(event.getEntries());	    }	}	return result;    }