Package org.carrot2.text.preprocessing.filter

Class StopLabelFilter

java.lang.Object

org.carrot2.attrs.AttrComposite

org.carrot2.text.preprocessing.filter.SingleLabelFilterBase

org.carrot2.text.preprocessing.filter.StopLabelFilter

All Implemented Interfaces:

AcceptingVisitor, LabelFilter

public class StopLabelFilter
extends SingleLabelFilterBase

Accepts labels that are not declared as stop labels in the stoplabels.<lang> files.

Field Summary

Fields inherited from class org.carrot2.attrs.AttrComposite

attributes

Constructor Summary

Constructors

Constructor	Description
StopLabelFilter()

Method Summary

Modifier and Type	Method	Description
boolean	acceptPhrase(PreprocessingContext context, int phraseIndex)	Should return true if the phrase located at phraseIndex is to be accepted, false otherwise.
boolean	acceptWord(PreprocessingContext context, int wordIndex)	Should return true if the word located at wordIndex is to be accepted, false otherwise.
void	filter(PreprocessingContext context, boolean[] acceptedStems, boolean[] acceptedPhrases)	Called to perform label filtering.

Methods inherited from class org.carrot2.attrs.AttrComposite

accept

Methods inherited from class java.lang.Object

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

Constructor Detail

StopLabelFilter

public StopLabelFilter()

Method Detail

filter

public void filter(PreprocessingContext context,
                   boolean[] acceptedStems,
                   boolean[] acceptedPhrases)

Description copied from interface: LabelFilter

Called to perform label filtering.

Specified by:

filter in interface LabelFilter

Overrides:

filter in class SingleLabelFilterBase

Parameters:

context - contains words and phrases to be filtered

acceptedStems - the filter should set to false those elements that correspond to the stems to be filtered out

acceptedPhrases - the filter should set to false those elements that correspond to the phrases to be filtered out

acceptPhrase

public boolean acceptPhrase(PreprocessingContext context,
                            int phraseIndex)

Description copied from class: SingleLabelFilterBase

Should return true if the phrase located at phraseIndex is to be accepted, false otherwise.

Specified by:

acceptPhrase in class SingleLabelFilterBase

Parameters:

context - provides access to all information about the phrase

phraseIndex - index of the phrase for which decision is to be made

acceptWord

public boolean acceptWord(PreprocessingContext context,
                          int wordIndex)

Description copied from class: SingleLabelFilterBase

Should return true if the word located at wordIndex is to be accepted, false otherwise.

Specified by:

acceptWord in class SingleLabelFilterBase

Parameters:

context - provides access to all information about the word

wordIndex - index of the word for which decision is to be made