How to use

containsKey

method

in

org.lenskit.util.keys.SortedKeyIndex

@Override
public boolean contains(long key) {
  return keys.containsKey(key);
}

@Override
public boolean containsKey(long k) {
  return keys.containsKey(k);
}

@Override
public boolean contains(long key) {
  return keys.containsKey(key);
}

@Override
public boolean containsKey(long k) {
  return keys.containsKey(k);
}