/**
* Writes a file containing a timestamp to the specified directory. The file will be named <code>
* .kiji-last-used</code> and will contain one line, which will be the timestamp specified. .
*
* @param directory is where the timestamp file <code>.kiji-last-used</code> should be written.
* @param timestamp to write to the file.
* @throws java.io.IOException if there is a problem writing the file.
*/
void writeTimestamp(File directory, Long timestamp) throws IOException {
File timestampFile = new File(directory, TIMESTAMP_FILE_NAME);
BentoBoxUtils.writeObjectToFile(timestampFile, timestamp);
}
