org.apache.cassandra.locator

Class GoogleCloudSnitch

java.lang.Object

org.apache.cassandra.locator.AbstractEndpointSnitch

org.apache.cassandra.locator.AbstractNetworkTopologySnitch

org.apache.cassandra.locator.GoogleCloudSnitch

All Implemented Interfaces:

IEndpointSnitch

public class GoogleCloudSnitch
extends AbstractNetworkTopologySnitch

A snitch that assumes an GCE region is a DC and an GCE availability_zone is a rack. This information is available in the config for the node.

Field Summary

Fields

Modifier and Type	Field and Description
protected java.lang.String	gceRegion
protected java.lang.String	gceZone
protected static org.slf4j.Logger	logger
protected static java.lang.String	ZONE_NAME_QUERY_URL

Constructor Summary

Constructors

Constructor and Description
GoogleCloudSnitch()

Method Summary

Methods

Modifier and Type	Method and Description
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

Field Detail

logger

protected static final org.slf4j.Logger logger

ZONE_NAME_QUERY_URL

protected static final java.lang.String ZONE_NAME_QUERY_URL

See Also:

Constant Field Values

gceZone

protected java.lang.String gceZone

gceRegion

protected java.lang.String gceRegion

Constructor Detail

GoogleCloudSnitch

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

Throws:

java.io.IOException

ConfigurationException

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