org.apache.cassandra.service
Class QuorumResponseHandler<T>

java.lang.Object
  org.apache.cassandra.service.QuorumResponseHandler<T>

All Implemented Interfaces:

IAsyncCallback, IMessageCallback

Direct Known Subclasses:

DatacenterQuorumResponseHandler

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

Field Summary

protected int	blockfor
protected SimpleCondition	condition
protected static org.slf4j.Logger	logger
protected IResponseResolver<T>	resolver

Constructor Summary

QuorumResponseHandler(IResponseResolver<T> resolver, ConsistencyLevel consistencyLevel, java.lang.String table)
Constructor when response count has to be calculated and blocked for.

Method Summary

void	assureSufficientLiveNodes(java.util.Collection<java.net.InetAddress> endpoints)
int	determineBlockFor(ConsistencyLevel consistencyLevel, java.lang.String table)
T	get()
void	response(Message message)

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

condition

protected final SimpleCondition condition

resolver

protected final IResponseResolver<T> resolver

blockfor

protected final int blockfor

Constructor Detail

QuorumResponseHandler

public QuorumResponseHandler(IResponseResolver<T> resolver,
                             ConsistencyLevel consistencyLevel,
                             java.lang.String table)

Constructor when response count has to be calculated and blocked for.

Method Detail

get

public T get()
      throws java.util.concurrent.TimeoutException,
             DigestMismatchException,
             java.io.IOException

Throws:

java.util.concurrent.TimeoutException

DigestMismatchException

java.io.IOException

response

public void response(Message message)

Specified by:

response in interface IAsyncCallback

Parameters:

message - response received.

determineBlockFor

public int determineBlockFor(ConsistencyLevel consistencyLevel,
                             java.lang.String table)

assureSufficientLiveNodes

public void assureSufficientLiveNodes(java.util.Collection<java.net.InetAddress> endpoints)
                               throws UnavailableException

Throws:

UnavailableException