Method writeHeader

src/main/java/org/sfj/ChiseledMap.java:208–212

()

  }

  private void writeHeader() throws IOException {
    // write at the beginning, then leave position alone
    fc.position(0);
    writeFully(ByteBuffer.wrap(HDR), 0);
  }

  private void rebuild(FileChannel fc) throws IOException {
    // scan the entire file, loading each entry where crc matches.