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From "Norbert Kalmar (Jira)" <j...@apache.org>
Subject [jira] [Resolved] (ZOOKEEPER-3506) correct the SessionTrackerImpl#initializeNextSession's javaDoc about how to generate the sessionId
Date Fri, 20 Sep 2019 08:04:00 GMT

     [ https://issues.apache.org/jira/browse/ZOOKEEPER-3506?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Norbert Kalmar resolved ZOOKEEPER-3506.
---------------------------------------
    Resolution: Fixed

> correct the SessionTrackerImpl#initializeNextSession's javaDoc about how to generate
the sessionId
> --------------------------------------------------------------------------------------------------
>
>                 Key: ZOOKEEPER-3506
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3506
>             Project: ZooKeeper
>          Issue Type: Improvement
>          Components: documentation, server
>            Reporter: maoling
>            Assignee: maoling
>            Priority: Minor
>              Labels: pull-request-available
>             Fix For: 3.6.0
>
>          Time Spent: 40m
>  Remaining Estimate: 0h
>
>  
> {code:java}
> /**
>  * Generates an initial sessionId. High order byte is serverId, next 5
>  * 5 bytes are from timestamp, and low order 2 bytes are 0s.
>  */
> public static long initializeNextSession(long id) {
>     long nextSid;
>     nextSid = (Time.currentElapsedTime() << 24) >>> 8;
>     nextSid =  nextSid | (id <<56);
>     if (nextSid == EphemeralType.CONTAINER_EPHEMERAL_OWNER) {
>         ++nextSid;  // this is an unlikely edge case, but check it just in case
>     }
>     return nextSid;
> }
> {code}
>  
>  



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