This does not conform to the UUID specification, and therefore don't want to encourage it Note that there is no way to provide your own timestamp. In particular the generated UUID includes the timestamp of its generation. UUIDs generated by this method are suitable for use with the timeuuid Cassandra If all of the above fail, a random integer will be generated and used as a surrogateĪ Universally Unique IDentifier (UUID) URNĬreates a new time-based (version 1) UUID.Of the specification, so it may not work for all JVMs) JVM's PID as part of that MXBean name (however that behavior is not officially part Otherwise, an attempt will be made to read the PID from JMX's RuntimeMXBean, since most JVMs tend to use the.Otherwise, if a native call to POSIX.getpid() is possible, then the PID will.Value to use as a PID will be read from that property If the System property ".PID" is set then the.The following methods, in the order they are listed below: The process ID (PID) isn't easily available to Java either, so it is determined by one of.Replaced with a digest of all IP addresses available on the host
Uuid generator version 4 api mac#
Since Java does not provide direct access to the host's MAC address, that information is.The algorithm to generate time-based UUIDs roughly follows the description in RFC-4122, but Utility methods to help working with UUIDs, and more specifically, with time-based UUIDs (also
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