@Override
public void seek(
final Range range, final Collection<ByteSequence> columnFamilies, final boolean inclusive)
throws IOException {
if (!inclusive && columnFamilies.size() > 0) {
throw new IllegalArgumentException();
}
scanner.setRange(range);
scanner.clearColumns();
for (ByteSequence colf : columnFamilies) {
scanner.fetchColumnFamily(new Text(colf.toArray()));
}
iter = scanner.iterator();
next();
}
