LobFile.java 文件源码

public void write(DataOutput out) throws IOException {
  // Write the SEGMENT_HEADER_ID to distinguish this from a LobRecord.
  WritableUtils.writeVLong(out, SEGMENT_HEADER_ID);

  // The length of the main body of the segment is the length of the
  // data byte array.
  int segmentBytesLen = recordLenBytes.getLength();
  WritableUtils.writeVLong(out, segmentBytesLen);

  // Write the body of the segment.
  out.write(recordLenBytes.getBytes(), 0, segmentBytesLen);
}