Package org.wildfly.clustering.singleton.election

Class PreferredSingletonElectionPolicy

java.lang.Object

org.wildfly.clustering.singleton.election.PreferredSingletonElectionPolicy

All Implemented Interfaces:

SingletonElectionPolicy

public class PreferredSingletonElectionPolicy
extends Object
implements SingletonElectionPolicy

An election policy that always elects a preferred node, and defers to a default policy if the preferred node is not a candidate. The means of specifying the preferred node is the responsibility of the extending class.

Author:

Paul Ferraro

Constructor Summary

Constructors

Constructor	Description
PreferredSingletonElectionPolicy(SingletonElectionPolicy policy, List<Preference> preferences)
PreferredSingletonElectionPolicy(SingletonElectionPolicy policy, Preference... preferences)

Method Summary

Modifier and Type	Method	Description
Node	elect(List<Node> candidates)	Elect a single node from the specified list of candidate nodes.

Methods inherited from class java.lang.Object

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

Constructor Details

PreferredSingletonElectionPolicy

public PreferredSingletonElectionPolicy(SingletonElectionPolicy policy,
 Preference... preferences)

PreferredSingletonElectionPolicy

public PreferredSingletonElectionPolicy(SingletonElectionPolicy policy,
 List<Preference> preferences)

Method Details

elect

public Node elect(List<Node> candidates)

Description copied from interface: SingletonElectionPolicy

Elect a single node from the specified list of candidate nodes.

Specified by:

elect in interface SingletonElectionPolicy

Parameters:

candidates - a list of candidate nodes.

Returns:

the elected node