public void writeIntField(int fileId,
                            int fieldOffsetInRow,
                            int attributeValue) throws IOException {
    long offsetInFile = toOffsetInFile(fileId) + fieldOffsetInRow;
    int offsetInPage = storage.toOffsetInPage(offsetInFile);

    Page page = storage.pageByOffset(offsetInFile);
    ByteBuffer rawPageBuffer = page.rawPageBuffer();

    INT_HANDLE.setVolatile(rawPageBuffer, offsetInPage, attributeValue);
  }
public void writeIntField(int fileId,
                            int fieldOffsetInRow,
                            int attributeValue)