Package weka.filters

Class SimpleFilter

java.lang.Object

weka.filters.Filter

weka.filters.SimpleFilter

All Implemented Interfaces:

Serializable, CapabilitiesHandler, CapabilitiesIgnorer, CommandlineRunnable, OptionHandler, RevisionHandler

Direct Known Subclasses:

SimpleBatchFilter, SimpleStreamFilter

public abstract class SimpleFilter
extends Filter

This filter contains common behavior of the SimpleBatchFilter and the SimpleStreamFilter.

Version:

$Revision: 11247 $

Author:

FracPete (fracpete at waikato dot ac dot nz)

See Also:

• SimpleBatchFilter
• SimpleStreamFilter
• Serialized Form

Constructor Summary

Constructors

Constructor	Description
SimpleFilter()

Method Summary

Modifier and Type	Method	Description
abstract String	globalInfo()	Returns a string describing this filter.
boolean	setInputFormat(Instances instanceInfo)	Sets the format of the input instances.

Methods inherited from class weka.filters.Filter

batchFilterFile, batchFinished, debugTipText, doNotCheckCapabilitiesTipText, filterFile, getCapabilities, getCapabilities, getCopyOfInputFormat, getDebug, getDoNotCheckCapabilities, getOptions, getOutputFormat, getRevision, input, isFirstBatchDone, isNewBatch, isOutputFormatDefined, listOptions, main, makeCopies, makeCopy, mayRemoveInstanceAfterFirstBatchDone, numPendingOutput, output, outputPeek, postExecution, preExecution, run, runFilter, setDebug, setDoNotCheckCapabilities, setOptions, toString, useFilter, wekaStaticWrapper

Methods inherited from class java.lang.Object

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

Constructor Details

SimpleFilter

public SimpleFilter()

Method Details

globalInfo

public abstract String globalInfo()

Returns a string describing this filter.

Returns:

a description of the filter suitable for displaying in the explorer/experimenter gui

setInputFormat

public boolean setInputFormat(Instances instanceInfo)
                       throws Exception

Sets the format of the input instances. Also resets the state of the filter (this reset doesn't affect the options).

Overrides:

setInputFormat in class Filter

Parameters:

instanceInfo - an Instances object containing the input instance structure (any instances contained in the object are ignored - only the structure is required).

Returns:

true if the outputFormat may be collected immediately

Throws:

Exception - if the inputFormat can't be set successfully

See Also:

• reset()