meka.experiment.datasetproviders

Interface DatasetProvider

All Superinterfaces:

Iterator<weka.core.Instances>, LogSupporter, weka.core.OptionHandler, Serializable

All Known Implementing Classes:

AbstractDatasetProvider, LocalDatasetProvider, MultiDatasetProvider

public interface DatasetProvider
extends weka.core.OptionHandler, Iterator<weka.core.Instances>, Serializable, LogSupporter

Interface for classes that provide datasets for the experiment.

Version:

$Revision$

Author:

FracPete (fracpete at waikato dot ac dot nz)

Method Summary

Modifier and Type	Method and Description
String	finish() Gets called after the experiment finishes.
boolean	hasNext() Returns whether another dataset is available.
String	initialize() Initializes the provider to start providing datasets from scratch.
weka.core.Instances	next() Returns the next dataset.

Methods inherited from interface weka.core.OptionHandler

getOptions, listOptions, setOptions

Methods inherited from interface java.util.Iterator

forEachRemaining, remove

Methods inherited from interface meka.events.LogSupporter

addLogListener, log, removeLogListener

Method Detail

initialize

String initialize()

Initializes the provider to start providing datasets from scratch.

Returns:

null if successfully initialized, otherwise error message

hasNext

boolean hasNext()

Returns whether another dataset is available.

Specified by:

hasNext in interface Iterator<weka.core.Instances>

Returns:

true if another dataset is available

next

weka.core.Instances next()

Returns the next dataset.

Specified by:

next in interface Iterator<weka.core.Instances>

Returns:

the next dataset

finish

String finish()

Gets called after the experiment finishes.

Returns:

null if successfully finished, otherwise error message