edu.iu.dsc.tws.comms.dfw.io.reduce

Class ReduceStreamingFinalReceiver

java.lang.Object

edu.iu.dsc.tws.comms.dfw.io.SourceReceiver

edu.iu.dsc.tws.comms.dfw.io.reduce.ReduceStreamingReceiver

edu.iu.dsc.tws.comms.dfw.io.reduce.ReduceStreamingFinalReceiver

All Implemented Interfaces:

MessageReceiver

public class ReduceStreamingFinalReceiver
extends ReduceStreamingReceiver

Field Summary

Fields inherited from class edu.iu.dsc.tws.comms.dfw.io.reduce.ReduceStreamingReceiver

reduceFunction

Fields inherited from class edu.iu.dsc.tws.comms.dfw.io.SourceReceiver

barriers, destination, isSyncSent, messages, operation, sendPendingMax, sourcesOfTarget, syncReceived, syncState, targetStates, workerId

Constructor Summary

Constructors

Constructor and Description
ReduceStreamingFinalReceiver(ReduceFunction function, SingularReceiver receiver)

Method Summary

Modifier and Type	Method and Description
boolean	handleMessage(int source, java.lang.Object message, int flags, int dest)
void	init(Config cfg, DataFlowOperation op, java.util.Map<java.lang.Integer,java.util.List<java.lang.Integer>> expectedIds) Initialize the message receiver with tasks from which messages are expected For each sub edge in graph, for each path, gives the expected task ids
protected void	onSyncEvent(int target, byte[] value) This method is called when there is a sync event on the operation
protected boolean	sendSyncForward(int target) Handle the sync

Methods inherited from class edu.iu.dsc.tws.comms.dfw.io.reduce.ReduceStreamingReceiver

aggregate, isAllEmpty, isFilledToSend, sendToTarget

Methods inherited from class edu.iu.dsc.tws.comms.dfw.io.SourceReceiver

allQueuesEmpty, allSyncsPresent, clean, isComplete, onFinish, onMessage, progress

Methods inherited from class java.lang.Object

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

Methods inherited from interface edu.iu.dsc.tws.api.comms.messaging.MessageReceiver

close, onMessage

Constructor Detail

ReduceStreamingFinalReceiver

public ReduceStreamingFinalReceiver(ReduceFunction function,
                                    SingularReceiver receiver)

Method Detail

init

public void init(Config cfg,
                 DataFlowOperation op,
                 java.util.Map<java.lang.Integer,java.util.List<java.lang.Integer>> expectedIds)

Description copied from interface: MessageReceiver

Initialize the message receiver with tasks from which messages are expected For each sub edge in graph, for each path, gives the expected task ids

target -> source tasks

Specified by:

init in interface MessageReceiver

Overrides:

init in class ReduceStreamingReceiver

expectedIds - expected task ids

handleMessage

public boolean handleMessage(int source,
                             java.lang.Object message,
                             int flags,
                             int dest)

Specified by:

handleMessage in class ReduceStreamingReceiver

sendSyncForward

protected boolean sendSyncForward(int target)

Description copied from class: SourceReceiver

Handle the sync

Overrides:

sendSyncForward in class ReduceStreamingReceiver

Parameters:

target - target

Returns:

the needFurtherProgress

onSyncEvent

protected void onSyncEvent(int target,
                           byte[] value)

Description copied from class: SourceReceiver

This method is called when there is a sync event on the operation

Overrides:

onSyncEvent in class ReduceStreamingReceiver

Parameters:

target - the target to which the sync event belong

value - the byte value, can be null