Package org.apache.cassandra.locator

Class TokenMetadata.Topology

java.lang.Object

org.apache.cassandra.locator.TokenMetadata.Topology

Enclosing class:

TokenMetadata

public static class TokenMetadata.Topology
extends Object

Tracks the assignment of racks and endpoints in each datacenter for all the "normal" endpoints in this TokenMetadata. This allows faster calculation of endpoints in NetworkTopologyStrategy.

Method Summary

Modifier and Type	Method	Description
com.google.common.collect.Multimap<String,InetAddressAndPort>	getDatacenterEndpoints()
com.google.common.collect.ImmutableMap<String,com.google.common.collect.ImmutableMultimap<String,InetAddressAndPort>>	getDatacenterRacks()
Pair<String,String>	getLocation(InetAddressAndPort addr)

Methods inherited from class java.lang.Object

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

Method Details

getDatacenterEndpoints

public com.google.common.collect.Multimap<String,InetAddressAndPort> getDatacenterEndpoints()

Returns:

multi-map of DC to endpoints in that DC

getDatacenterRacks

public com.google.common.collect.ImmutableMap<String,com.google.common.collect.ImmutableMultimap<String,InetAddressAndPort>> getDatacenterRacks()

Returns:

map of DC to multi-map of rack to endpoints in that rack

getLocation

public Pair<String,String> getLocation(InetAddressAndPort addr)

Returns:

The DC and rack of the given endpoint.