gistfile1.java

public class Timestamp {

	/**
	 * Convert the given date in hbase timestamp format.
	 * @param date to convert
	 * @return the timestamp
	 */
	public static long toHbaseTimestamp(Date date) {
		return ((date.getTime() / 1000) << 32) + ((date.getTime() % 1000) * 1000);
	}
	
	/**
	 * Convert the given hbase timestamp into a Date object.
	 * @param timestamp hbase timestamp to convert
	 * @return a Date
	 */
	public static Date fromHbaseTimestamp(long timestamp) {
		long seconds = timestamp >> 32;
		long microseconds = timestamp & 0xFFFFFFFFL;
		return new Date(seconds*1000 + microseconds/1000);
	}
	
}