org.apache.cassandra.service
Class DatacenterSyncWriteResponseHandler

java.lang.Object
  org.apache.cassandra.service.AbstractWriteResponseHandler
      org.apache.cassandra.service.DatacenterSyncWriteResponseHandler

All Implemented Interfaces:

IAsyncCallback, IMessageCallback

public class DatacenterSyncWriteResponseHandler
extends AbstractWriteResponseHandler

This class blocks for a quorum of responses _in all datacenters_ (CL.EACH_QUORUM).

Field Summary

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

callback, consistencyLevel, naturalEndpoints, pendingEndpoints, startTime, table

Constructor Summary

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

Method Summary

protected int	ackCount()
boolean	isLatencyForSnitch()
void	response(MessageIn message) null message means "response from local write"

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

assureSufficientLiveNodes, get, signal

Methods inherited from class java.lang.Object

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

Constructor Detail

DatacenterSyncWriteResponseHandler

public DatacenterSyncWriteResponseHandler(java.util.Collection<java.net.InetAddress> naturalEndpoints,
                                          java.util.Collection<java.net.InetAddress> pendingEndpoints,
                                          ConsistencyLevel consistencyLevel,
                                          Table 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

Specified by:

response in class AbstractWriteResponseHandler

Parameters:

message - response received.

ackCount

protected int ackCount()

Specified by:

ackCount in class AbstractWriteResponseHandler

isLatencyForSnitch

public boolean isLatencyForSnitch()

Returns:

true if this callback is on the read path and its latency should be given as input to the dynamic snitch.