org.apache.cassandra.locator
Class RackInferringSnitch

java.lang.Object
  org.apache.cassandra.locator.AbstractEndpointSnitch
      org.apache.cassandra.locator.AbstractNetworkTopologySnitch
          org.apache.cassandra.locator.RackInferringSnitch

All Implemented Interfaces:

IEndpointSnitch

public class RackInferringSnitch
extends AbstractNetworkTopologySnitch

A simple endpoint snitch implementation that assumes datacenter and rack information is encoded in the 2nd and 3rd octets of the ip address, respectively.

Constructor Summary

RackInferringSnitch()

Method Summary

java.lang.String	getDatacenter(java.net.InetAddress endpoint) Return the data center for which an endpoint resides in
java.lang.String	getRack(java.net.InetAddress endpoint) Return the rack for which an endpoint resides in

Methods inherited from class org.apache.cassandra.locator.AbstractNetworkTopologySnitch

compareEndpoints

Methods inherited from class org.apache.cassandra.locator.AbstractEndpointSnitch

getSortedListByProximity, gossiperStarting, isWorthMergingForRangeQuery, sortByProximity

Methods inherited from class java.lang.Object

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

Constructor Detail

RackInferringSnitch

public RackInferringSnitch()

Method Detail

getRack

public java.lang.String getRack(java.net.InetAddress endpoint)

Description copied from class: AbstractNetworkTopologySnitch

Return the rack for which an endpoint resides in

Specified by:

getRack in interface IEndpointSnitch

Specified by:

getRack in class AbstractNetworkTopologySnitch

Parameters:

endpoint - a specified endpoint

Returns:

string of rack

getDatacenter

public java.lang.String getDatacenter(java.net.InetAddress endpoint)

Description copied from class: AbstractNetworkTopologySnitch

Return the data center for which an endpoint resides in

Specified by:

getDatacenter in interface IEndpointSnitch

Specified by:

getDatacenter in class AbstractNetworkTopologySnitch

Parameters:

endpoint - a specified endpoint

Returns:

string of data center