voldemort.routing
Class ZoneRoutingStrategy

java.lang.Object
  voldemort.routing.ConsistentRoutingStrategy
      voldemort.routing.ZoneRoutingStrategy

All Implemented Interfaces:

RoutingStrategy

public class ZoneRoutingStrategy
extends ConsistentRoutingStrategy

A Zone Routing strategy that sits on top of the Consistent Routing strategy such that each request goes to zone specific replicas

Constructor Summary

ZoneRoutingStrategy(java.util.Collection<Node> nodes, java.util.HashMap<java.lang.Integer,java.lang.Integer> zoneReplicationFactor, int numReplicas)

ZoneRoutingStrategy(HashFunction hash, java.util.Collection<Node> nodes, java.util.HashMap<java.lang.Integer,java.lang.Integer> zoneReplicationFactor, int numReplicas)

Method Summary

java.util.List<java.lang.Integer>	getReplicatingPartitionList(int index) Get the replication partitions list for the given partition.
java.lang.String	getType() Get the type of RoutingStrategyType

Methods inherited from class voldemort.routing.ConsistentRoutingStrategy

getNodes, getNumReplicas, getPartitionList, getPartitionToNode, routeRequest

Methods inherited from class java.lang.Object

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

Constructor Detail

ZoneRoutingStrategy

public ZoneRoutingStrategy(java.util.Collection<Node> nodes,
                           java.util.HashMap<java.lang.Integer,java.lang.Integer> zoneReplicationFactor,
                           int numReplicas)

ZoneRoutingStrategy

public ZoneRoutingStrategy(HashFunction hash,
                           java.util.Collection<Node> nodes,
                           java.util.HashMap<java.lang.Integer,java.lang.Integer> zoneReplicationFactor,
                           int numReplicas)

Method Detail

getReplicatingPartitionList

public java.util.List<java.lang.Integer> getReplicatingPartitionList(int index)

Get the replication partitions list for the given partition.

Specified by:

getReplicatingPartitionList in interface RoutingStrategy

Overrides:

getReplicatingPartitionList in class ConsistentRoutingStrategy

Parameters:

index - Partition id for which we are generating the preference list

Returns:

The List of partitionId where this partition is replicated.

getType

public java.lang.String getType()

Description copied from interface: RoutingStrategy

Get the type of RoutingStrategyType

Specified by:

getType in interface RoutingStrategy

Overrides:

getType in class ConsistentRoutingStrategy

Returns:

RoutingStrategyType