How to use

isEmpty

method

in

net.openhft.koloboke.collect.impl.hash.UpdatableQHashSeparateKVByteObjMapSO

private int nullValueIndex() {
  if (isEmpty())
    return -1;
  int index = -1;
  int mc = modCount();
  byte free = freeValue;
  byte[] keys = set;
  V[] vals = values;
  for (int i = keys.length - 1; i >= 0; i--) {
    if (keys[i] != free) {
      if (vals[i] == null) {
        index = i;
        break;
      }
    }
  }
  if (mc != modCount())
    throw new java.util.ConcurrentModificationException();
  return index;
}

private int nullValueIndex() {
  if (isEmpty())
    return -1;
  int index = -1;
  int mc = modCount();
  byte free = freeValue;
  byte[] keys = set;
  V[] vals = values;
  for (int i = keys.length - 1; i >= 0; i--) {
    if (keys[i] != free) {
      if (vals[i] == 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 (isEmpty())
    return -1;
  V val = (V) value;
  int index = -1;
  int mc = modCount();
  byte free = freeValue;
  byte[] keys = set;
  V[] vals = values;
  for (int i = keys.length - 1; i >= 0; i--) {
    if (keys[i] != free) {
      if (valueEquals(val, vals[i])) {
        index = i;
        break;
      }
    }
  }
  if (mc != modCount())
    throw new java.util.ConcurrentModificationException();
  return index;
}

int valueIndex(@Nullable Object value) {
  if (value == null)
    return nullValueIndex();
  if (isEmpty())
    return -1;
  V val = (V) value;
  int index = -1;
  int mc = modCount();
  byte free = freeValue;
  byte[] keys = set;
  V[] vals = values;
  for (int i = keys.length - 1; i >= 0; i--) {
    if (keys[i] != free) {
      if (valueEquals(val, vals[i])) {
        index = i;
        break;
      }
    }
  }
  if (mc != modCount())
    throw new java.util.ConcurrentModificationException();
  return index;
}