Package 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

Constructors

Constructor	Description
RackInferringSnitch()

Method Summary

Modifier and Type	Method	Description
String	getDatacenter(InetAddressAndPort endpoint)	Return the data center for which an endpoint resides in
String	getRack(InetAddressAndPort 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

gossiperStarting, isWorthMergingForRangeQuery, sortedByProximity

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.cassandra.locator.IEndpointSnitch

getDatacenter, getDatacenter, getLocalDatacenter, getLocalRack, validate

Constructor Details

RackInferringSnitch

public RackInferringSnitch()

Method Details

getRack

public String getRack(InetAddressAndPort 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 String getDatacenter(InetAddressAndPort 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