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

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

callback, consistencyLevel, naturalEndpoints, pendingEndpoints, startTime

Constructor Summary

DatacenterWriteResponseHandler(java.util.Collection<java.net.InetAddress> naturalEndpoints, java.util.Collection<java.net.InetAddress> pendingEndpoints, ConsistencyLevel consistencyLevel, java.lang.String table, java.lang.Runnable callback, WriteType writeType)

Method Summary

void	assureSufficientLiveNodes()
void	response(MessageIn message) null message means "response from local write"

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

ackCount, blockForCL, isLatencyForSnitch

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

blockFor, get, signal

Methods inherited from class java.lang.Object

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

Constructor Detail

DatacenterWriteResponseHandler

public DatacenterWriteResponseHandler(java.util.Collection<java.net.InetAddress> naturalEndpoints,
                                      java.util.Collection<java.net.InetAddress> pendingEndpoints,
                                      ConsistencyLevel consistencyLevel,
                                      java.lang.String table,
                                      java.lang.Runnable callback,
                                      WriteType writeType)

Method Detail

response

public void response(MessageIn 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 UnavailableException

Overrides:

assureSufficientLiveNodes in class WriteResponseHandler

Throws:

UnavailableException