org.apache.cassandra.service.paxos

Class AbstractPaxosCallback<T>

java.lang.Object

org.apache.cassandra.service.paxos.AbstractPaxosCallback<T>

All Implemented Interfaces:

IAsyncCallback<T>

Direct Known Subclasses:

PrepareCallback, ProposeCallback

public abstract class AbstractPaxosCallback<T>
extends java.lang.Object
implements IAsyncCallback<T>

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.concurrent.CountDownLatch	latch
protected int	targets

Fields inherited from interface org.apache.cassandra.net.IAsyncCallback

isAlive

Constructor Summary

Constructors

Constructor and Description
AbstractPaxosCallback(int targets, ConsistencyLevel consistency)

Method Summary

Modifier and Type	Method and Description
void	await()
int	getResponseCount()
boolean	isLatencyForSnitch()

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.IAsyncCallback

response

Field Detail

latch

protected final java.util.concurrent.CountDownLatch latch

targets

protected final int targets

Constructor Detail

AbstractPaxosCallback

public AbstractPaxosCallback(int targets,
                             ConsistencyLevel consistency)

Method Detail

isLatencyForSnitch

public boolean isLatencyForSnitch()

Specified by:

isLatencyForSnitch in interface IAsyncCallback<T>

Returns:

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

getResponseCount

public int getResponseCount()

await

public void await()
           throws WriteTimeoutException

Throws:

WriteTimeoutException