code: @Override
      public void stop() {
          try {
              if (randomAccessFile != null) {
                  randomAccessFile.close();
                  fileChannel.close();
              }
              randomAccessFile = null;
              fileChannel = null;
          } catch (IOException e) {
              // TODO Auto-generated catch block
              e.printStackTrace();
          }
      }
docs: /*
  (non-Javadoc)
  
  @see org.audit4j.core.handler.file.AuditFileWriter#stop()