static int closedTableSize(int expectedEntries, double loadFactor) {
    // Get the recommended table size.
    // Round down to the nearest power of 2.
    expectedEntries = max(expectedEntries, 2);
    int tableSize = Integer.highestOneBit(expectedEntries);
    // Check to make sure that we will not exceed the maximum load factor.
    if (expectedEntries > (int) (loadFactor * tableSize)) {
      tableSize <<= 1;

  static int closedTableSize(int expectedEntries, double loadFactor) {
    // Get the recommended table size.
    // Round down to the nearest power of 2.
    expectedEntries = max(expectedEntries, 2);
    int tableSize = Integer.highestOneBit(expectedEntries);
    // Check to make sure that we will not exceed the maximum load factor.
    if (expectedEntries > (int) (loadFactor * tableSize)) {
      tableSize <<= 1;

     *
     * @param limitSize
     *            エントリ数の上限
     * @param initialCapacity
     *            初期容量
     * @param loadFactor
     *            負荷係数
     */
    public LruHashMap(final int limitSize, final int initialCapacity, final float loadFactor) {
        super(initialCapacity, loadFactor, true);
        this.limitSize = limitSize;
    }

    /**
     * エントリ数の上限を返します。
     *
     * @return エントリ数の上限
     */