LargestWinningPolicy

java.lang.Object

org.jgroups.protocols.pbcast.GMS.DefaultMembershipPolicy

org.jgroups.stack.LargestWinningPolicy

All Implemented Interfaces:: MembershipChangePolicy

public class LargestWinningPolicy extends GMS.DefaultMembershipPolicy

Policy which picks the new coordinator in a merge from the largest subview. JIRA: https://issues.redhat.com/browse/JGRP-1976

Since:: 3.6.7

Constructor Summary

Constructors

Constructor

Description

LargestWinningPolicy()
Method Summary

Modifier and Type

Method

Description

List<Address>

getNewMembership(Collection<Collection<Address>> subviews)

Called when a merge happened.

Methods inherited from class org.jgroups.protocols.pbcast.GMS.DefaultMembershipPolicy
getNewMembership, getNewMembershipOld

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- LargestWinningPolicy
  
  public LargestWinningPolicy()
Method Details
- getNewMembership
  
  public List<Address> getNewMembership(Collection<Collection<Address>> subviews)
  
  Called when a merge happened. The largest subview wins.
  
  Specified by:
  
  getNewMembership in interface MembershipChangePolicy
  
  Overrides:
  
  getNewMembership in class GMS.DefaultMembershipPolicy
  
  Parameters:
  
  subviews - A list of membership lists, e.g. [{A,B,C}, {M,N,O,P}, {X,Y,Z}]. This is a merge between 3 subviews. Guaranteed to be non-null (but may be empty)
  
  Returns:
  
  The new membership. Needs to be non-null and cannot contain duplicates