moa.tasks

Class CacheShuffledStream

java.lang.Object

moa.AbstractMOAObject

moa.options.AbstractOptionHandler

moa.tasks.AbstractTask

moa.tasks.CacheShuffledStream

All Implemented Interfaces:

Serializable, MOAObject, OptionHandler, Task

public class CacheShuffledStream
extends AbstractTask

Task for storing and shuffling examples in memory.

Version:

$Revision: 7 $

Author:

Richard Kirkby (rkirkby@cs.waikato.ac.nz)

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
IntOption	maximumCacheSizeOption
IntOption	shuffleRandomSeedOption
ClassOption	streamOption

Fields inherited from class moa.options.AbstractOptionHandler

classOptionNamesToPreparedObjects, options

Constructor Summary

Constructors

Constructor and Description
CacheShuffledStream()

Method Summary

Methods

Modifier and Type	Method and Description
protected Object	doTaskImpl(TaskMonitor monitor, ObjectRepository repository) This method performs this task.
String	getPurposeString() Gets the purpose of this object
Class<?>	getTaskResultType() Gets the result type of this task.

Methods inherited from class moa.tasks.AbstractTask

doTask, doTask, getDescription, getTaskName, prepareForUseImpl

Methods inherited from class moa.options.AbstractOptionHandler

copy, discoverOptionsViaReflection, getCLICreationString, getOptions, getPreparedClassOption, getPreparedClassOption, prepareClassOptions, prepareForUse, prepareForUse

Methods inherited from class moa.AbstractMOAObject

copy, measureByteSize, measureByteSize, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface moa.MOAObject

copy, measureByteSize

Field Detail

streamOption

public ClassOption streamOption

maximumCacheSizeOption

public IntOption maximumCacheSizeOption

shuffleRandomSeedOption

public IntOption shuffleRandomSeedOption

Constructor Detail

CacheShuffledStream

public CacheShuffledStream()

Method Detail

getPurposeString

public String getPurposeString()

Description copied from interface: OptionHandler

Gets the purpose of this object

Specified by:

getPurposeString in interface OptionHandler

Overrides:

getPurposeString in class AbstractOptionHandler

Returns:

the string with the purpose of this object

doTaskImpl

protected Object doTaskImpl(TaskMonitor monitor,
                ObjectRepository repository)

Description copied from class: AbstractTask

This method performs this task. AbstractTask implements doTask so all its extensions only need to implement doTaskImpl.

Specified by:

doTaskImpl in class AbstractTask

Parameters:

monitor - the TaskMonitor to use

repository - the ObjectRepository to use

Returns:

an object with the result of this task

getTaskResultType

public Class<?> getTaskResultType()

Description copied from interface: Task

Gets the result type of this task. Tasks can return LearningCurve, LearningEvaluation, Classifier, String, Instances..

Returns:

a class object of the result of this task