@Override
public void init(
SortedKeyValueIterator<Key, Value> source,
Map<String, String> options,
IteratorEnvironment env)
throws IOException {
super.init(source, options, env);
validateOptions(options);
sum = 0;
hasTop = false;
}
@Override
public void seek(Range range, Collection<ByteSequence> columnFamilies, boolean inclusive)
throws IOException {
super.seek(range, columnFamilies, inclusive);
if (!super.hasTop()) {
return;
}
do {
topKey = super.getTopKey();
if (!topKey.isDeleted()) {
topValue = super.getTopValue();
sum += encoder.decode(super.getTopValue().get());
}
super.next();
} while (super.hasTop());
topValue = new Value(encoder.encode(sum));
hasTop = true;
}