Shinsuke Sugaya <******@****.***> 1730900702 +0900

    }

    private EngineObj getEngineObj() {
        final EngineObj engineObj = new EngineObj();
        try {
            final SearchEngineClient esClient = ComponentUtil.getSearchEngineClient();
            final ClusterHealthResponse response =
                    esClient.admin().cluster().prepareHealth().execute().actionGet(fessConfig.getIndexHealthTimeout());
            engineObj.clusterName = response.getClusterName();

  private var messageInflater: MessageInflater? = null

  // Masks are only a concern for server writers.
  private val maskKey: ByteArray? = if (isClient) null else ByteArray(4)
  private val maskCursor: Buffer.UnsafeCursor? = if (isClient) null else Buffer.UnsafeCursor()

  interface FrameCallback {
    @Throws(IOException::class)
    fun onReadMessage(text: String)

    @Throws(IOException::class)

  private val serverReader =
    WebSocketReader(
      isClient = false,
      source = data,
      frameCallback = callback.asFrameCallback(),
      perMessageDeflate = false,
      noContextTakeover = false,
    )
  private val serverReaderWithCompression =
    WebSocketReader(
      isClient = false,
      source = data,
      frameCallback = callback.asFrameCallback(),

    client: Boolean,
  ) {
    val extensions = this.extensions!!
    synchronized(this) {
      this.name = name
      this.socket = socket
      this.writer =
        WebSocketWriter(
          isClient = client,
          sink = socket.sink,
          random = random,
          perMessageDeflate = extensions.perMessageDeflate,
          noContextTakeover = extensions.noContextTakeover(client),

    assertEquals(
        "The mean of x and y should equal the mean of y and x", expectedMean, IntMath.mean(y, x));
  }

  /**
   * Computes the mean in a way that is obvious and resilient to overflow by using BigInteger
   * arithmetic.
   */
  private static int computeMeanSafely(int x, int y) {
    BigInteger bigX = BigInteger.valueOf(x);
    BigInteger bigY = BigInteger.valueOf(y);

    assertEquals(
        "The mean of x and y should equal the mean of y and x", expectedMean, LongMath.mean(y, x));
  }

  /**
   * Computes the mean in a way that is obvious and resilient to overflow by using BigInteger
   * arithmetic.
   */
  private static long computeMeanSafely(long x, long y) {
    BigInteger bigX = BigInteger.valueOf(x);
    BigInteger bigY = BigInteger.valueOf(y);

  static boolean fitsInInt(long x) {
    return (int) x == x;
  }

  /**
   * Returns the arithmetic mean of {@code x} and {@code y}, rounded toward negative infinity. This
   * method is resilient to overflow.
   *
   * @since 14.0
   */
  public static long mean(long x, long y) {
    // Efficient method for computing the arithmetic mean.
    // The alternative (x + y) / 2 fails for large values.