Package org.apache.cassandra.locator
Class GoogleCloudSnitch
- java.lang.Object
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- org.apache.cassandra.locator.AbstractEndpointSnitch
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- org.apache.cassandra.locator.AbstractNetworkTopologySnitch
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- org.apache.cassandra.locator.GoogleCloudSnitch
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- 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.
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Field Summary
Fields Modifier and Type Field Description protected org.apache.cassandra.locator.AbstractCloudMetadataServiceConnector
connector
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Constructor Summary
Constructors Constructor Description GoogleCloudSnitch()
GoogleCloudSnitch(org.apache.cassandra.locator.AbstractCloudMetadataServiceConnector connector)
GoogleCloudSnitch(SnitchProperties properties)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description java.lang.String
getDatacenter(InetAddressAndPort endpoint)
Return the data center for which an endpoint resides injava.lang.String
getLocalDatacenter()
returns a String representing the datacenter current endpoint belongs tojava.lang.String
getLocalRack()
returns a String representing the rack current endpoint belongs tojava.lang.String
getRack(InetAddressAndPort endpoint)
Return the rack for which an endpoint resides in-
Methods inherited from class org.apache.cassandra.locator.AbstractNetworkTopologySnitch
compareEndpoints
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Methods inherited from class org.apache.cassandra.locator.AbstractEndpointSnitch
gossiperStarting, isWorthMergingForRangeQuery, sortedByProximity
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface org.apache.cassandra.locator.IEndpointSnitch
getDatacenter, getDatacenter, validate
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Constructor Detail
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GoogleCloudSnitch
public GoogleCloudSnitch() throws java.io.IOException
- Throws:
java.io.IOException
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GoogleCloudSnitch
public GoogleCloudSnitch(SnitchProperties properties) throws java.io.IOException
- Throws:
java.io.IOException
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GoogleCloudSnitch
public GoogleCloudSnitch(org.apache.cassandra.locator.AbstractCloudMetadataServiceConnector connector) throws java.io.IOException
- Throws:
java.io.IOException
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Method Detail
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getLocalRack
public final java.lang.String getLocalRack()
Description copied from interface:IEndpointSnitch
returns a String representing the rack current endpoint belongs to
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getLocalDatacenter
public final java.lang.String getLocalDatacenter()
Description copied from interface:IEndpointSnitch
returns a String representing the datacenter current endpoint belongs to
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getRack
public final java.lang.String getRack(InetAddressAndPort endpoint)
Description copied from class:AbstractNetworkTopologySnitch
Return the rack for which an endpoint resides in- Specified by:
getRack
in interfaceIEndpointSnitch
- Specified by:
getRack
in classAbstractNetworkTopologySnitch
- Parameters:
endpoint
- a specified endpoint- Returns:
- string of rack
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getDatacenter
public final 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 interfaceIEndpointSnitch
- Specified by:
getDatacenter
in classAbstractNetworkTopologySnitch
- Parameters:
endpoint
- a specified endpoint- Returns:
- string of data center
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