org.apache.cassandra.service
Class WriteResponseHandler

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

All Implemented Interfaces:

IAsyncCallback, IMessageCallback, IWriteResponseHandler

Direct Known Subclasses:

DatacenterWriteResponseHandler

public class WriteResponseHandler
extends AbstractWriteResponseHandler

Handles blocking writes for ONE, ANY, TWO, THREE, QUORUM, and ALL consistency levels.

Field Summary

protected static org.slf4j.Logger	logger
protected java.util.concurrent.atomic.AtomicInteger	responses

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

condition, consistencyLevel, hintedEndpoints, startTime, writeEndpoints

Constructor Summary

protected	WriteResponseHandler(java.util.Collection<java.net.InetAddress> writeEndpoints, com.google.common.collect.Multimap<java.net.InetAddress,java.net.InetAddress> hintedEndpoints, org.apache.cassandra.thrift.ConsistencyLevel consistencyLevel, java.lang.String table)
protected	WriteResponseHandler(java.net.InetAddress endpoint)

Method Summary

void	assureSufficientLiveNodes()
static IWriteResponseHandler	create(java.util.Collection<java.net.InetAddress> writeEndpoints, com.google.common.collect.Multimap<java.net.InetAddress,java.net.InetAddress> hintedEndpoints, org.apache.cassandra.thrift.ConsistencyLevel consistencyLevel, java.lang.String table)
static IWriteResponseHandler	create(java.net.InetAddress endpoint)
protected int	determineBlockFor(java.lang.String table)
boolean	isLatencyForSnitch()
void	response(Message m) null message means "response from local write"

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

get

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected static final org.slf4j.Logger logger

responses

protected final java.util.concurrent.atomic.AtomicInteger responses

Constructor Detail

WriteResponseHandler

protected WriteResponseHandler(java.util.Collection<java.net.InetAddress> writeEndpoints,
                               com.google.common.collect.Multimap<java.net.InetAddress,java.net.InetAddress> hintedEndpoints,
                               org.apache.cassandra.thrift.ConsistencyLevel consistencyLevel,
                               java.lang.String table)

WriteResponseHandler

protected WriteResponseHandler(java.net.InetAddress endpoint)

Method Detail

create

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

create

public static IWriteResponseHandler create(java.net.InetAddress endpoint)

response

public void response(Message m)

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:

m - response received.

determineBlockFor

protected int determineBlockFor(java.lang.String table)

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.