Package org.apache.sysds.runtime.controlprogram.federated

Class FederatedWorkerHandler

java.lang.Object

io.netty.channel.ChannelHandlerAdapter

io.netty.channel.ChannelInboundHandlerAdapter

org.apache.sysds.runtime.controlprogram.federated.FederatedWorkerHandler

All Implemented Interfaces:

io.netty.channel.ChannelHandler, io.netty.channel.ChannelInboundHandler

public class FederatedWorkerHandler
extends io.netty.channel.ChannelInboundHandlerAdapter

Note: federated worker handler created for every command; and concurrent parfor threads at coordinator need separate execution contexts at the federated sites too

Nested Class Summary

Nested classes/interfaces inherited from interface io.netty.channel.ChannelHandler

io.netty.channel.ChannelHandler.Sharable

Constructor Summary

Constructors

Constructor	Description
FederatedWorkerHandler(FederatedLookupTable flt, FederatedReadCache frc, FederatedWorkloadAnalyzer fan)	Create a Federated Worker Handler.
FederatedWorkerHandler(FederatedLookupTable flt, FederatedReadCache frc, FederatedWorkloadAnalyzer fan, Timing timing)

Method Summary

Modifier and Type	Method	Description
void	channelRead(io.netty.channel.ChannelHandlerContext ctx, Object msg)
void	exceptionCaught(io.netty.channel.ChannelHandlerContext ctx, Throwable cause)

Methods inherited from class io.netty.channel.ChannelInboundHandlerAdapter

channelActive, channelInactive, channelReadComplete, channelRegistered, channelUnregistered, channelWritabilityChanged, userEventTriggered

Methods inherited from class io.netty.channel.ChannelHandlerAdapter

handlerAdded, handlerRemoved, isSharable

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.netty.channel.ChannelHandler

handlerAdded, handlerRemoved

Constructor Details

FederatedWorkerHandler

public FederatedWorkerHandler(FederatedLookupTable flt,
 FederatedReadCache frc,
 FederatedWorkloadAnalyzer fan)

Create a Federated Worker Handler. Note: federated worker handler created for every command; and concurrent parfor threads at coordinator need separate execution contexts at the federated sites too

Parameters:

flt - The Federated Lookup Table of the current Federated Worker.

frc - Read cache shared by all worker handlers.

fan - A Workload analyzer object (should be null if not used).

FederatedWorkerHandler

public FederatedWorkerHandler(FederatedLookupTable flt,
 FederatedReadCache frc,
 FederatedWorkloadAnalyzer fan,
 Timing timing)

Method Details

channelRead

public void channelRead(io.netty.channel.ChannelHandlerContext ctx,
 Object msg)

Specified by:

channelRead in interface io.netty.channel.ChannelInboundHandler

Overrides:

channelRead in class io.netty.channel.ChannelInboundHandlerAdapter

exceptionCaught

public void exceptionCaught(io.netty.channel.ChannelHandlerContext ctx,
 Throwable cause)

Specified by:

exceptionCaught in interface io.netty.channel.ChannelHandler

Specified by:

exceptionCaught in interface io.netty.channel.ChannelInboundHandler

Overrides:

exceptionCaught in class io.netty.channel.ChannelInboundHandlerAdapter