Package org.apache.storm.messaging

Class DeserializingConnectionCallback

java.lang.Object

org.apache.storm.messaging.DeserializingConnectionCallback

All Implemented Interfaces:

IConnectionCallback, IMetric

public class DeserializingConnectionCallback
extends Object
implements IConnectionCallback, IMetric

A class that is called when a TaskMessage arrives.

Constructor Summary

Constructors

Constructor	Description
DeserializingConnectionCallback(Map<String,Object> conf, GeneralTopologyContext context, WorkerState.ILocalTransferCallback callback)

Method Summary

Modifier and Type	Method	Description
Object	getValueAndReset()	Returns serialized byte count traffic metrics.
void	recv(List<TaskMessage> batch)	A batch of new messages have arrived to be processed.
protected void	updateMetrics(int sourceTaskId, TaskMessage message)	Update serialized byte counts for each message.

Methods inherited from class java.lang.Object

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

Constructor Details

DeserializingConnectionCallback

public DeserializingConnectionCallback(Map<String,Object> conf,
 GeneralTopologyContext context,
 WorkerState.ILocalTransferCallback callback)

Method Details

recv

public void recv(List<TaskMessage> batch)

Description copied from interface: IConnectionCallback

A batch of new messages have arrived to be processed.

Specified by:

recv in interface IConnectionCallback

Parameters:

batch - the messages to be processed

getValueAndReset

public Object getValueAndReset()

Returns serialized byte count traffic metrics.

Specified by:

getValueAndReset in interface IMetric

Returns:

Map of metric counts, or null if disabled

updateMetrics

protected void updateMetrics(int sourceTaskId,
 TaskMessage message)

Update serialized byte counts for each message.

Parameters:

sourceTaskId - source task

message - serialized message