protected Object reduce(Map<Integer, Object> map) {
Collection<Data> list = new LinkedList();
for (Object obj : map.values()) {
if (obj == null) {
continue;
}
MultiMapResponse response = (MultiMapResponse) obj;
Collection<MultiMapRecord> coll = response.getCollection();
if (coll == null) {
continue;
}
for (MultiMapRecord record : coll) {
list.add(serializationService.toData(record.getObject()));
}
}
return new PortableCollection(list);
}
