Package com.yahoo.search.querytransform

Class VespaLowercasingSearcher

java.lang.Object

com.yahoo.component.AbstractComponent

com.yahoo.component.chain.ChainedComponent

com.yahoo.processing.Processor

com.yahoo.search.Searcher

com.yahoo.search.querytransform.LowercasingSearcher

com.yahoo.search.querytransform.VespaLowercasingSearcher

All Implemented Interfaces:

com.yahoo.component.chain.model.Chainable, com.yahoo.component.Component, com.yahoo.component.Deconstructable, Comparable<com.yahoo.component.Component>

public class VespaLowercasingSearcher
extends LowercasingSearcher

Transform terms in query tree to lower case based on Vespa index settings.

Author:

Steinar Knutsen

Field Summary

Fields

Modifier and Type	Field	Description
static final String	LOWERCASING

Fields inherited from class com.yahoo.component.AbstractComponent

isDeconstructable

Constructor Summary

Constructors

Constructor	Description
VespaLowercasingSearcher(LowercasingConfig cfg)

Method Summary

Modifier and Type	Method	Description
boolean	shouldLowercase(WordItem word, IndexFacts.Session indexFacts)	Override this to control whether a given term should be lowercased.
boolean	shouldLowercase(String commonPath, WordItem word, IndexFacts.Session indexFacts)

Methods inherited from class com.yahoo.search.querytransform.LowercasingSearcher

search

Methods inherited from class com.yahoo.search.Searcher

ensureFilled, fill, getLogger, process, toString

Methods inherited from class com.yahoo.component.chain.ChainedComponent

getDependencies, initDependencies

Methods inherited from class com.yahoo.component.AbstractComponent

clone, compareTo, deconstruct, getClassName, getId, getIdString, hasInitializedId, initId, isDeconstructable, setIsDeconstructable

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.yahoo.component.chain.model.Chainable

getAnnotatedDependencies

Field Details

LOWERCASING

public static final String LOWERCASING

See Also:

• Constant Field Values

Constructor Details

VespaLowercasingSearcher

public VespaLowercasingSearcher(LowercasingConfig cfg)

Method Details

shouldLowercase

public boolean shouldLowercase(WordItem word,
 IndexFacts.Session indexFacts)

Description copied from class: LowercasingSearcher

Override this to control whether a given term should be lowercased.

Specified by:

shouldLowercase in class LowercasingSearcher

Parameters:

word - a WordItem or subclass thereof which is a candidate for lowercasing

Returns:

whether to convert the term to lower case

shouldLowercase

public boolean shouldLowercase(String commonPath,
 WordItem word,
 IndexFacts.Session indexFacts)

Specified by:

shouldLowercase in class LowercasingSearcher