edu.iu.dsc.tws.examples.ml.svm.streamer

Class InputDataStreamer

java.lang.Object

edu.iu.dsc.tws.api.compute.nodes.BaseNode

edu.iu.dsc.tws.api.compute.nodes.BaseSource

edu.iu.dsc.tws.examples.ml.svm.streamer.InputDataStreamer

All Implemented Interfaces:

Closable, Receptor, INode, ISource, java.io.Serializable

public class InputDataStreamer
extends BaseSource
implements Receptor

See Also:

Serialized Form

Field Summary

Fields inherited from class edu.iu.dsc.tws.api.compute.nodes.BaseNode

config, context

Constructor Summary

Constructors

Constructor and Description
InputDataStreamer(int features, OperationMode operationMode)
InputDataStreamer(OperationMode operationMode)
InputDataStreamer(OperationMode operationMode, boolean isDummy, BinaryBatchModel binaryBatchModel)

Method Summary

Modifier and Type	Method and Description
void	add(java.lang.String name, DataObject<?> data) This method is called when the data is available
void	dummyDataStreamer() This method is used to deal with dummy data based data stream generation Here data points are generated using a Gaussian Distribution and labels are assigned +1 or -1 randomly for a given data point.
void	execute() Execute without an incoming message
void	getData()
java.lang.Object	getDataPointsByDataObject(int taskIndex, DataObject<?> datapointsDataObject)
java.lang.Object	getDataPointsByTaskIndex(int taskIndex)
java.lang.Object	getWeightVectorByTaskIndex(int taskIndex)
void	prepare(Config cfg, TaskContext ctx) Prepare the task to be executed
void	realDataStreamer() This method is used to retrieve real data from Data Source Task

Methods inherited from class edu.iu.dsc.tws.api.compute.nodes.BaseNode

close, reset

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.modifiers.Receptor

add, getReceivableNames

Constructor Detail

InputDataStreamer

public InputDataStreamer(OperationMode operationMode)

InputDataStreamer

public InputDataStreamer(int features,
                         OperationMode operationMode)

InputDataStreamer

public InputDataStreamer(OperationMode operationMode,
                         boolean isDummy,
                         BinaryBatchModel binaryBatchModel)

Method Detail

execute

public void execute()

Description copied from interface: ISource

Execute without an incoming message

Specified by:

execute in interface ISource

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

Overrides:

prepare in class BaseNode

Parameters:

cfg - the configuration

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

dummyDataStreamer

public void dummyDataStreamer()
                       throws InputDataFormatException

This method is used to deal with dummy data based data stream generation Here data points are generated using a Gaussian Distribution and labels are assigned +1 or -1 randomly for a given data point.

Throws:

InputDataFormatException

realDataStreamer

public void realDataStreamer()

This method is used to retrieve real data from Data Source Task

add

public void add(java.lang.String name,
                DataObject<?> data)

Description copied from interface: Receptor

This method is called when the data is available

Specified by:

add in interface Receptor

Parameters:

name - name of the input

data - input data

getDataPointsByTaskIndex

public java.lang.Object getDataPointsByTaskIndex(int taskIndex)

getWeightVectorByTaskIndex

public java.lang.Object getWeightVectorByTaskIndex(int taskIndex)

getDataPointsByDataObject

public java.lang.Object getDataPointsByDataObject(int taskIndex,
                                                  DataObject<?> datapointsDataObject)

getData

public void getData()