How to use

maxCapacity

method

in

com.koloboke.collect.impl.hash.HashConfigWrapper

/**
 * Same as {@link #chooseBetter(HashConfigWrapper, int, int, int, int, int)}.
 *
 * @see #chooseBetter(HashConfigWrapper, int, int, int, int, int)
 */
static long chooseBetter(HashConfigWrapper conf, long size,
    long desiredCapacity, long lesserCapacity, long greaterCapacity, long onFail) {
  assert 0L <= size;
  assert size < lesserCapacity && lesserCapacity < desiredCapacity;
  assert desiredCapacity < greaterCapacity;
  if (greaterCapacity - desiredCapacity <= desiredCapacity - lesserCapacity &&
      greaterCapacity <= conf.maxCapacity(size)) {
    return greaterCapacity;
  }
  return lesserCapacity >= conf.minCapacity(size) ? lesserCapacity : onFail;
}

/**
 * Same as {@link #chooseBetter(HashConfigWrapper, int, int, int, int, int)}.
 *
 * @see #chooseBetter(HashConfigWrapper, int, int, int, int, int)
 */
static long chooseBetter(HashConfigWrapper conf, long size,
    long desiredCapacity, long lesserCapacity, long greaterCapacity, long onFail) {
  assert 0L <= size;
  assert size < lesserCapacity && lesserCapacity < desiredCapacity;
  assert desiredCapacity < greaterCapacity;
  if (greaterCapacity - desiredCapacity <= desiredCapacity - lesserCapacity &&
      greaterCapacity <= conf.maxCapacity(size)) {
    return greaterCapacity;
  }
  return lesserCapacity >= conf.minCapacity(size) ? lesserCapacity : onFail;
}

assert desiredCapacity < greaterCapacity;
if (greaterCapacity - desiredCapacity <= desiredCapacity - lesserCapacity &&
    greaterCapacity <= conf.maxCapacity(size)) {
  return greaterCapacity;

assert desiredCapacity < greaterCapacity;
if (greaterCapacity - desiredCapacity <= desiredCapacity - lesserCapacity &&
    greaterCapacity <= conf.maxCapacity(size)) {
  return greaterCapacity;

static boolean configIsSuitableForImmutableHash(HashConfigWrapper conf, int size) {
  assert size >= 0;
  int desiredCapacity = conf.targetCapacity(size);
  if (desiredCapacity <= MIN_CAPACITY)
    return MIN_CAPACITY <= conf.maxCapacity(size);
  if (desiredCapacity < MAX_INT_CAPACITY) {
    if (isPowerOf2(desiredCapacity))
      return true;
    int lesserCapacity = highestOneBit(desiredCapacity);
    int greaterCapacity = lesserCapacity << 1;
    int c = chooseBetter(conf, size, desiredCapacity, lesserCapacity, greaterCapacity, -1);
    return c > 0;
  }
  return false;
}

static boolean configIsSuitableForImmutableHash(HashConfigWrapper conf, int size) {
  assert size >= 0;
  int desiredCapacity = conf.targetCapacity(size);
  if (desiredCapacity <= MIN_CAPACITY)
    return MIN_CAPACITY <= conf.maxCapacity(size);
  if (desiredCapacity < MAX_INT_CAPACITY) {
    if (isPowerOf2(desiredCapacity))
      return true;
    int lesserCapacity = highestOneBit(desiredCapacity);
    int greaterCapacity = lesserCapacity << 1;
    int c = chooseBetter(conf, size, desiredCapacity, lesserCapacity, greaterCapacity, -1);
    return c > 0;
  }
  return false;
}