org.apache.cassandra.service
Class DatacenterSyncWriteResponseHandler

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

All Implemented Interfaces:

IAsyncCallback, IMessageCallback, IWriteResponseHandler

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, startTime, writeEndpoints

Constructor Summary

protected

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

Method Summary

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

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

get, signal

Methods inherited from class java.lang.Object

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

Constructor Detail

DatacenterSyncWriteResponseHandler

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

Method Detail

create

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

response

public void response(Message 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.

assureSufficientLiveNodes

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

Specified by:

assureSufficientLiveNodes in interface IWriteResponseHandler

Specified by:

assureSufficientLiveNodes in class AbstractWriteResponseHandler

Throws:

org.apache.cassandra.thrift.UnavailableException

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.