org.apache.cassandra.locator

Class CloudstackSnitch

java.lang.Object

org.apache.cassandra.locator.AbstractEndpointSnitch

org.apache.cassandra.locator.AbstractNetworkTopologySnitch

org.apache.cassandra.locator.CloudstackSnitch

All Implemented Interfaces:

IEndpointSnitch

public class CloudstackSnitch
extends AbstractNetworkTopologySnitch

A snitch that assumes a Cloudstack Zone follows the typical convention <country>-<location>-<availability zone> and uses the country/location tuple as a datacenter and the availability zone as a rack

Field Summary

Fields

Modifier and Type	Field and Description
protected java.lang.String	csZoneDc
protected java.lang.String	csZoneRack
protected static org.slf4j.Logger	logger
protected static java.lang.String	ZONE_NAME_QUERY_URI

Constructor Summary

Constructors

Constructor and Description
CloudstackSnitch()

Method Summary

Modifier and Type	Method and Description
java.lang.String	getDatacenter(InetAddressAndPort endpoint) Return the data center for which an endpoint resides in
java.lang.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, getLocalDatacenter, getLocalRack, validate

Field Detail

logger

protected static final org.slf4j.Logger logger

ZONE_NAME_QUERY_URI

protected static final java.lang.String ZONE_NAME_QUERY_URI

See Also:

Constant Field Values

csZoneDc

protected java.lang.String csZoneDc

csZoneRack

protected java.lang.String csZoneRack

Constructor Detail

CloudstackSnitch

public CloudstackSnitch()
                 throws java.io.IOException,
                        ConfigurationException

Throws:

java.io.IOException

ConfigurationException

Method Detail

getRack

public java.lang.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 java.lang.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