org.nuxeo.ecm.core.utils

Class SIDGenerator

java.lang.Object

org.nuxeo.ecm.core.utils.SIDGenerator

public final class SIDGenerator
extends Object

Generate session IDs.

Session IDs are long values that must be unique on the same JVM. Each call of the next() method returns an unique ID (unique relative to the current running JVM).

Author:

Bogdan Stefanescu

Method Summary

Modifier and Type	Method and Description
static long	next() The long unique id is generated as follow:

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

next

public static long next()

The long unique id is generated as follow:

On the first 32 bits we put an integer value incremented at each call and that is reset to 0 when the it reaches the max integer range.

On the last 32 bits the most significant part of the current timestamp in milliseconds.

Returns:

the next unique id in this JVM