How to use

isEmpty

method

in

com.koloboke.collect.impl.hash.UpdatableLHashParallelKVObjObjMapSO

private int nullValueIndex() {
  if (this.isEmpty())
    return -1;
  int index = -1;
  int mc = modCount();
  Object[] tab = table;
  for (int i = tab.length - 2; i >= 0; i -= 2) {
    if (tab[i] != FREE) {
      if (tab[i + 1] == null) {
        index = i;
        break;
      }
    }
  }
  if (mc != modCount())
    throw new java.util.ConcurrentModificationException();
  return index;
}

private int nullValueIndex() {
  if (this.isEmpty())
    return -1;
  int index = -1;
  int mc = modCount();
  Object[] tab = table;
  for (int i = tab.length - 2; i >= 0; i -= 2) {
    if (tab[i] != FREE) {
      if (tab[i + 1] == null) {
        index = i;
        break;
      }
    }
  }
  if (mc != modCount())
    throw new java.util.ConcurrentModificationException();
  return index;
}

int valueIndex(@Nullable Object value) {
  if (value == null)
    return nullValueIndex();
  if (this.isEmpty())
    return -1;
  V val = (V) value;
  int index = -1;
  int mc = modCount();
  Object[] tab = table;
  for (int i = tab.length - 2; i >= 0; i -= 2) {
    if (tab[i] != FREE) {
      if (valueEquals(val, (V) tab[i + 1])) {
        index = i;
        break;
      }
    }
  }
  if (mc != modCount())
    throw new java.util.ConcurrentModificationException();
  return index;
}

int valueIndex(@Nullable Object value) {
  if (value == null)
    return nullValueIndex();
  if (this.isEmpty())
    return -1;
  V val = (V) value;
  int index = -1;
  int mc = modCount();
  Object[] tab = table;
  for (int i = tab.length - 2; i >= 0; i -= 2) {
    if (tab[i] != FREE) {
      if (valueEquals(val, (V) tab[i + 1])) {
        index = i;
        break;
      }
    }
  }
  if (mc != modCount())
    throw new java.util.ConcurrentModificationException();
  return index;
}