org.apache.cassandra.service
Class AbstractWriteResponseHandler

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

All Implemented Interfaces:

IAsyncCallback, IMessageCallback

Direct Known Subclasses:

DatacenterSyncWriteResponseHandler, WriteResponseHandler

public abstract class AbstractWriteResponseHandler
extends java.lang.Object
implements IAsyncCallback

Field Summary

protected java.lang.Runnable	callback
protected ConsistencyLevel	consistencyLevel
protected java.util.Collection<java.net.InetAddress>	naturalEndpoints
protected java.util.Collection<java.net.InetAddress>	pendingEndpoints
protected long	startTime

Constructor Summary

protected

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

Method Summary

protected abstract int	ackCount()
abstract void	assureSufficientLiveNodes()
protected int	blockFor()
protected abstract int	blockForCL()
void	get()
abstract void	response(MessageIn msg) null message means "response from local write"
protected void	signal()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.cassandra.net.IMessageCallback

isLatencyForSnitch

Field Detail

startTime

protected final long startTime

naturalEndpoints

protected final java.util.Collection<java.net.InetAddress> naturalEndpoints

consistencyLevel

protected final ConsistencyLevel consistencyLevel

callback

protected final java.lang.Runnable callback

pendingEndpoints

protected final java.util.Collection<java.net.InetAddress> pendingEndpoints

Constructor Detail

AbstractWriteResponseHandler

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

Parameters:

pendingEndpoints -

callback - A callback to be called when the write is successful.

Method Detail

get

public void get()
         throws WriteTimeoutException

Throws:

WriteTimeoutException

ackCount

protected abstract int ackCount()

blockFor

protected int blockFor()

blockForCL

protected abstract int blockForCL()

response

public abstract void response(MessageIn msg)

null message means "response from local write"

Specified by:

response in interface IAsyncCallback

Parameters:

msg - response received.

assureSufficientLiveNodes

public abstract void assureSufficientLiveNodes()
                                        throws UnavailableException

Throws:

UnavailableException

signal

protected void signal()