voldemort.store.slop.strategy
Class ProximityHandoffStrategy

java.lang.Object
  voldemort.store.slop.strategy.ProximityHandoffStrategy

All Implemented Interfaces:

HintedHandoffStrategy

public class ProximityHandoffStrategy
extends java.lang.Object
implements HintedHandoffStrategy

A preference list based handoff strategy which stores multi-zone information

Constructor Summary

ProximityHandoffStrategy(Cluster cluster, int clientZoneId)
Constructor which makes zone based mapping

Method Summary

java.util.List<Node>	routeHint(Node origin) Get an ordered "preference list" of nodes eligible to receive hints for a given node in case of that node's failure
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ProximityHandoffStrategy

public ProximityHandoffStrategy(Cluster cluster,
                                int clientZoneId)

Constructor which makes zone based mapping

Parameters:

cluster - The cluster

clientZoneId - Client zone id

Method Detail

routeHint

public java.util.List<Node> routeHint(Node origin)

Description copied from interface: HintedHandoffStrategy

Get an ordered "preference list" of nodes eligible to receive hints for a given node in case of that node's failure

Specified by:

routeHint in interface HintedHandoffStrategy

Parameters:

origin - The original node which failed to receive the request

Returns:

The list of nodes eligible to receive hints for original node

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object