Method deserializeObject

src/RegionClient.java:1839–1865

De-serializes a "Writable" serialized by HbaseObjectWritable#writeObject. @return The de-serialized object (which can be null).

(final ChannelBuffer buf,
                                  final HBaseRpc request)

   * @return The de-serialized object (which can be {@code null}).
   */
  @SuppressWarnings("fallthrough")
  static Object deserializeObject(final ChannelBuffer buf,
                                  final HBaseRpc request) {
    switch (buf.readByte()) {  // Read the type of the response.
      case  1:  // Boolean
        return buf.readByte() != 0x00;
      case  6:  // Long
        return buf.readLong();
      case 14:  // Writable
        return deserializeObject(buf, request);  // Recursively de-serialize it.
      case 17:  // NullInstance
        buf.readByte();  // Consume the (useless) type of the "null".
        return null;
      case 37:  // Result
        buf.readByte();  // Read the type again.  See HBASE-2877.
        return parseResult(buf);
      case 38:  // Result[]
        return parseResults(buf);
      case 58:  // MultiPutResponse
        // Fall through
      case 67:  // MultiResponse
        // Don't read the type again, responseFromBuffer() will need it.
        return ((MultiAction) request).responseFromBuffer(buf);
    }
    throw new NonRecoverableException("Couldn't de-serialize "
                                      + Bytes.pretty(buf));
  }

  /**
   * Pre-computes how many KVs we have so we can rightsized arrays.