org.terrier.terms
Class CropTerm

java.lang.Object
  org.terrier.terms.CropTerm

All Implemented Interfaces:

TermPipeline

public final class CropTerm
extends Object
implements TermPipeline

Reduces the size of terms passing through the term pipeline to the maximum allowed size for this indexing run. The crop term pipeline class has been provided as some term pipeline implementators (eg SnowballGermanStemmer) may actually lengthen words that did previously fit in the indexing.

Author:

Craig Macdonald

Field Summary

protected static int	maxLen Maximum length a term can be
protected TermPipeline	next The next object in the term pipeline

Constructor Summary

CropTerm(TermPipeline _next)
Creates a new CropTerm pipeline object, which can be used in the term pipeline

Method Summary

void	processTerm(String t) Reduces the term to the maximum allowed size for this indexing run
boolean	reset() Implements the default operation for all TermPipeline subclasses; By default do nothing.

Methods inherited from class java.lang.Object

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

Field Detail

maxLen

protected static final int maxLen

Maximum length a term can be

next

protected final TermPipeline next

The next object in the term pipeline

Constructor Detail

CropTerm

public CropTerm(TermPipeline _next)

Creates a new CropTerm pipeline object, which can be used in the term pipeline

Parameters:

_next - The next termpipeline object to pass the term onto.

Method Detail

processTerm

public void processTerm(String t)

Reduces the term to the maximum allowed size for this indexing run

Specified by:

processTerm in interface TermPipeline

Parameters:

t - String the term to check the length of.

reset

public boolean reset()

Implements the default operation for all TermPipeline subclasses; By default do nothing. This method should be overrided by any TermPipeline that want to implements doc/query oriented lifecycle.

Specified by:

reset in interface TermPipeline

Returns:

return how the reset has gone