com.exalead.search.query.linguistic

Class ApproximateHandler

java.lang.Object

com.exalead.search.query.linguistic.ApproximateHandler

All Implemented Interfaces:

LinguisticExpanderResource.Handler

public class ApproximateHandler
extends java.lang.Object
implements LinguisticExpanderResource.Handler

Implement approximate expansion for the LinguisticExpander. This handler performs Damereau-Levensteihn distance based approximation, from the words of the corpus Produces forms with formName=normalized,source=$PROCESSOR_NAME

Internal details

The post-processor queries the dictionary for approximate forms from the corpus.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ApproximateHandler.PostProcessor

Field Summary

Fields

Modifier and Type	Field and Description
protected static org.apache.log4j.Logger	logger

Constructor Summary

Constructors

Constructor and Description
ApproximateHandler(PatternsExpansionConfig config)

Method Summary

Modifier and Type	Method and Description
LinguisticExpanderResource.PostProcessorFactory	buildPostProcessorFactory()
java.util.List<SemanticProcessor>	buildSemanticProcessor()
void	release()

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected static final org.apache.log4j.Logger logger

Constructor Detail

ApproximateHandler

public ApproximateHandler(PatternsExpansionConfig config)

Method Detail

buildSemanticProcessor

public java.util.List<SemanticProcessor> buildSemanticProcessor()

Specified by:

buildSemanticProcessor in interface LinguisticExpanderResource.Handler

Returns:

a set of SemanticProcessor to annotate the TokenizedNode

buildPostProcessorFactory

public LinguisticExpanderResource.PostProcessorFactory buildPostProcessorFactory()

Specified by:

buildPostProcessorFactory in interface LinguisticExpanderResource.Handler

Returns:

a factory of PostProcessor

release

public void release()

Specified by:

release in interface LinguisticExpanderResource.Handler