Package org.wildfly.clustering.singleton.election

Interface SingletonElectionPolicy

public interface SingletonElectionPolicy

Elects a primary provider of a singleton service from a list of candidates.

Author:

Paul Ferraro

Field Summary

Fields

Modifier and Type	Field	Description
static final UnaryServiceDescriptor<SingletonElectionPolicy>	SERVICE_DESCRIPTOR

Method Summary

Modifier and Type	Method	Description
GroupMember	elect(List<GroupMember> candidates)	Elect a single member from the specified list of candidate members.
static SingletonElectionPolicy	oldest()
static SingletonElectionPolicy	position(int position)
default SingletonElectionPolicy	prefer(List<Predicate<GroupMember>> preferences)
static SingletonElectionPolicy	random()
static SingletonElectionPolicy	youngest()

Field Details

SERVICE_DESCRIPTOR

static final UnaryServiceDescriptor<SingletonElectionPolicy> SERVICE_DESCRIPTOR

Method Details

elect

GroupMember elect(List<GroupMember> candidates)

Elect a single member from the specified list of candidate members.

Parameters:

candidates - a list of candidate members.

Returns:

the elected member

prefer

default SingletonElectionPolicy prefer(List<Predicate<GroupMember>> preferences)

random

static SingletonElectionPolicy random()

oldest

static SingletonElectionPolicy oldest()

youngest

static SingletonElectionPolicy youngest()

position

static SingletonElectionPolicy position(int position)