Method store

basex-core/src/main/java/org/basex/util/hash/TokenSet.java:171–183

Stores the specified key and returns its index, or returns the negative index if the key has already been stored. @param key key to be indexed @return index, or negative index if the key already exists

(final byte[] key)

   * @return index, or negative index if the key already exists
   */
  private int store(final byte[] key) {
    final int h = Token.hashCode(key);
    int b = h & capacity() - 1;
    for(int i = buckets[b]; i != 0; i = next[i]) {
      if(Token.eq(key, keys[i])) return -i;
    }
    final int s = size++;
    if(checkCapacity()) b = h & capacity() - 1;
    next[s] = buckets[b];
    keys[s] = key;
    buckets[b] = s;
    return s;
  }

  @Override
  protected final int hashCode(final int index) {