edu.iu.dsc.tws.examples.connectors

Class KafkaExample.KSink

java.lang.Object

edu.iu.dsc.tws.examples.connectors.KafkaExample.KSink

All Implemented Interfaces:

ICompute, INode, CheckpointableTask, java.io.Serializable

Enclosing class:

KafkaExample

public static class KafkaExample.KSink
extends java.lang.Object
implements ICompute, CheckpointableTask

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
KSink()

Method Summary

Modifier and Type	Method and Description
boolean	execute(IMessage content) Execute with an incoming message
void	initSnapshot(Snapshot snapshot) This method could be used to predefine packers
void	prepare(Config cfg, TaskContext ctx) Prepare the task to be executed
void	restoreSnapshot(Snapshot snapshot) This method will be called when task is initializing
void	takeSnapshot(Snapshot snapshot) Snapshot should be updated in this method with new values

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.compute.nodes.ICompute

endExecute

Methods inherited from interface edu.iu.dsc.tws.checkpointing.task.CheckpointableTask

onCheckpointPropagated, onSnapshotPersisted

Constructor Detail

KSink

public KSink()

Method Detail

execute

public boolean execute(IMessage content)

Description copied from interface: ICompute

Execute with an incoming message

Specified by:

execute in interface ICompute

prepare

public void prepare(Config cfg,
                    TaskContext ctx)

Description copied from interface: INode

Prepare the task to be executed

Specified by:

prepare in interface INode

Parameters:

cfg - the configuration

ctx - the task context, this has runtime information about the task

restoreSnapshot

public void restoreSnapshot(Snapshot snapshot)

Description copied from interface: CheckpointableTask

This method will be called when task is initializing

Specified by:

restoreSnapshot in interface CheckpointableTask

takeSnapshot

public void takeSnapshot(Snapshot snapshot)

Description copied from interface: CheckpointableTask

Snapshot should be updated in this method with new values

Specified by:

takeSnapshot in interface CheckpointableTask

initSnapshot

public void initSnapshot(Snapshot snapshot)

Description copied from interface: CheckpointableTask

This method could be used to predefine packers

Specified by:

initSnapshot in interface CheckpointableTask