protected void handleKeyValues(
final Iterator<Tuple2<K, V>> itr, IKeyValueConsumer<K, V>... consumer) {
if (first == null) return;
final K key = first._1();
final Iterator<V> itx =
new Iterator<V>() {
Tuple2<K, V> current = first;
@Override
public boolean hasNext() {
return current != null;
}
@Override
public V next() {
V ret = current._2();
if (itr.hasNext()) {
current = itr.next();
if (!current._1().equals(key)) {
first = current;
current = null;
}
} else current = null;
return ret;
}
@Override
public void remove() {
throw new UnsupportedOperationException("Fix This"); // ToDo
}
};
}
@Override
public Iterable<KeyValueObject<KOUT, VOUT>> call(final Iterator<Tuple2<K, V>> itr)
throws Exception {
first = null;
final List<KeyValueObject<KOUT, VOUT>> holder = new ArrayList<KeyValueObject<KOUT, VOUT>>();
if (!itr.hasNext()) return holder;
first = itr.next();
final Iterator<V> itx =
new Iterator<V>() {
Tuple2<K, V> current = first;
@Override
public boolean hasNext() {
if (current == null) return false;
return true;
}
@Override
public V next() {
V ret = current._2();
if (itr.hasNext()) {
Tuple2<K, V> test = itr.next();
if (test._1().equals(first._1())) current = test;
else {
first = test; // different key
current = null;
}
} else current = null;
return ret;
}
@Override
public void remove() {
throw new UnsupportedOperationException("Fix This"); // ToDo
}
};
final Iterable<V> vals =
new Iterable<V>() {
@Override
public Iterator<V> iterator() {
return itx;
}
};
final IKeyValueConsumer<KOUT, VOUT> consumer =
new IKeyValueConsumer<KOUT, VOUT>() {
@Override
public void consume(final KeyValueObject<KOUT, VOUT> kv) {
holder.add(kv);
}
};
K key = (K) first._1();
reducer.handleValues(key, vals, consumer);
return holder;
}
