java基于时间生成uuid

示例：

UUID uuid = new UUID();
System.out.println(uuid);
System.out.println(uuid.time);

 

59281c00-08d3-11e4-bb2b-3c970e28e769
6424415654917640676

uuid前三部份时间的组合

time-low "-" time-mid "-"time-high-and-version

 

http://wiki.apache.org/cassandra/TimeBaseUUIDNotes

http://wiki.apache.org/cassandra/FAQ#working_with_timeuuid_in_java

http://johannburkard.de/software/uuid/