org.apache.cassandra.service
Class DatacenterWriteResponseHandler

java.lang.Object
  org.apache.cassandra.service.AbstractWriteResponseHandler
      org.apache.cassandra.service.WriteResponseHandler
          org.apache.cassandra.service.DatacenterWriteResponseHandler

All Implemented Interfaces:

IAsyncCallback, IMessageCallback, IWriteResponseHandler

public class DatacenterWriteResponseHandler
extends WriteResponseHandler

This class blocks for a quorum of responses _in the local datacenter only_ (CL.LOCAL_QUORUM).

Field Summary

Fields inherited from class org.apache.cassandra.service.WriteResponseHandler

logger, responses

Fields inherited from class org.apache.cassandra.service.AbstractWriteResponseHandler

condition, consistencyLevel, hintFutures, startTime, writeEndpoints

Constructor Summary

protected

DatacenterWriteResponseHandler(java.util.Collection<java.net.InetAddress> writeEndpoints, org.apache.cassandra.thrift.ConsistencyLevel consistencyLevel, java.lang.String table)

Method Summary

void	assureSufficientLiveNodes()
static IWriteResponseHandler	create(java.util.Collection<java.net.InetAddress> writeEndpoints, org.apache.cassandra.thrift.ConsistencyLevel consistencyLevel, java.lang.String table)
protected int	determineBlockFor(java.lang.String table)
void	response(Message message) null message means "response from local write"

Methods inherited from class org.apache.cassandra.service.WriteResponseHandler

create, isLatencyForSnitch

Methods inherited from class org.apache.cassandra.service.AbstractWriteResponseHandler

addFutureForHint, get, waitForHints

Methods inherited from class java.lang.Object

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

Constructor Detail

DatacenterWriteResponseHandler

protected DatacenterWriteResponseHandler(java.util.Collection<java.net.InetAddress> writeEndpoints,
                                         org.apache.cassandra.thrift.ConsistencyLevel consistencyLevel,
                                         java.lang.String table)

Method Detail

create

public static IWriteResponseHandler create(java.util.Collection<java.net.InetAddress> writeEndpoints,
                                           org.apache.cassandra.thrift.ConsistencyLevel consistencyLevel,
                                           java.lang.String table)

determineBlockFor

protected int determineBlockFor(java.lang.String table)

Overrides:

determineBlockFor in class WriteResponseHandler

response

public void response(Message message)

Description copied from class: AbstractWriteResponseHandler

null message means "response from local write"

Specified by:

response in interface IAsyncCallback

Overrides:

response in class WriteResponseHandler

Parameters:

message - response received.

assureSufficientLiveNodes

public void assureSufficientLiveNodes()
                               throws org.apache.cassandra.thrift.UnavailableException

Specified by:

assureSufficientLiveNodes in interface IWriteResponseHandler

Overrides:

assureSufficientLiveNodes in class WriteResponseHandler

Throws:

org.apache.cassandra.thrift.UnavailableException