org.apache.twill.internal

Class ElectionRegistry

java.lang.Object

org.apache.twill.internal.ElectionRegistry

public class ElectionRegistry
extends Object

Tracks currently active leader elections within the Twill container.

Constructor Summary

Constructors

Constructor and Description
ElectionRegistry(ZKClient zkClient)

Method Summary

Modifier and Type	Method and Description
Cancellable	register(String name, ElectionHandler handler) Creates a new LeaderElection for the given arguments, starts the service, and adds it to the registry.
void	shutdown() Stops all active LeaderElection processes.

Methods inherited from class java.lang.Object

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

Constructor Detail

ElectionRegistry

public ElectionRegistry(ZKClient zkClient)

Method Detail

register

public Cancellable register(String name,
                            ElectionHandler handler)

Creates a new LeaderElection for the given arguments, starts the service, and adds it to the registry.

Parameters:

name - Name for the election.

handler - Callback to handle leader and follower transitions.

Returns:

An object to cancel the election participation.

shutdown

public void shutdown()

Stops all active LeaderElection processes.