void write()

in src/main/java/com/spotify/sparkey/LogHeader.java [90:115]

• 25 lines of code
• 3 McCabe index (conditional complexity)

  void write(File file, boolean fsync) throws IOException {
    try (RandomAccessFile rw = new RandomAccessFile(file, "rw")) {
      rw.seek(0);
      Util.writeLittleEndianInt(MAGIC_NUMBER, rw);
      Util.writeLittleEndianInt(majorVersion, rw);
      Util.writeLittleEndianInt(minorVersion, rw);
      Util.writeLittleEndianInt(fileIdentifier, rw);
      Util.writeLittleEndianLong(numPuts, rw);
      Util.writeLittleEndianLong(numDeletes, rw);
      Util.writeLittleEndianLong(dataEnd, rw);
      Util.writeLittleEndianLong(maxKeyLen, rw);
      Util.writeLittleEndianLong(maxValueLen, rw);
      Util.writeLittleEndianLong(deleteSize, rw);
      Util.writeLittleEndianInt(compressionType.ordinal(), rw);
      Util.writeLittleEndianInt(compressionBlockSize, rw);
      Util.writeLittleEndianLong(putSize, rw);
      Util.writeLittleEndianInt(maxEntriesPerBlock, rw);

      if (rw.getFilePointer() != HEADER_SIZE) {
        throw new RuntimeException("Programming error! Header size was incorrect, expected " + HEADER_SIZE + " but was " + rw.getFilePointer());
      }
      if (fsync) {
        rw.getFD().sync();
      }
    }
  }