Package org.jivesoftware.smack.sm

Class SMUtils

java.lang.Object
org.jivesoftware.smack.sm.SMUtils
public class SMUtils extends Object

  • Constructor Summary

    Constructors
    Constructor
    Description
    SMUtils()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    static long
    calculateDelta(long reportedHandledCount, long lastKnownHandledCount)
    Calculates the delta of the last known stanza handled count and the new reported stanza handled count while considering that the new value may be wrapped after 2^32-1.
    static long
    incrementHeight(long height)
    Increment the Stream Management height counter.

    Methods inherited from class java.lang.Object

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

  • Constructor Details

  • Method Details

    • incrementHeight

      public static long incrementHeight(long height)
      Increment the Stream Management height counter. Quoting XEP-198 4.: "In the unlikely case that the number of stanzas handled during a stream management session exceeds the number of digits that can be represented by the unsignedInt datatype as specified in XML Schema Part 2 [10] (i.e., 2^32), the value of 'h' SHALL be reset from 2^32-1 back to zero (rather than being incremented to 2^32)."
      Parameters:
      height - TODO javadoc me please
      Returns:
      the incremented height

    • calculateDelta

      public static long calculateDelta(long reportedHandledCount, long lastKnownHandledCount)
      Calculates the delta of the last known stanza handled count and the new reported stanza handled count while considering that the new value may be wrapped after 2^32-1.
      Parameters:
      reportedHandledCount - TODO javadoc me please
      lastKnownHandledCount - TODO javadoc me please
      Returns:
      the delta