org.apache.lucene.analysis.shingle

Class ShingleMatrixFilter.OneDimensionalNonWeightedTokenSettingsCodec

java.lang.Object

org.apache.lucene.analysis.shingle.ShingleMatrixFilter.TokenSettingsCodec

org.apache.lucene.analysis.shingle.ShingleMatrixFilter.OneDimensionalNonWeightedTokenSettingsCodec

Enclosing class:

ShingleMatrixFilter

public static class ShingleMatrixFilter.OneDimensionalNonWeightedTokenSettingsCodec
extends ShingleMatrixFilter.TokenSettingsCodec

Using this codec makes a ShingleMatrixFilter act like ShingleFilter. It produces the most simple sort of shingles, ignoring token position increments, et c. It adds each token as a new column.

Constructor Summary

Constructors

Constructor and Description
ShingleMatrixFilter.OneDimensionalNonWeightedTokenSettingsCodec()

Method Summary

Methods

Modifier and Type	Method and Description
ShingleMatrixFilter.TokenPositioner	getTokenPositioner(Token token) Retrieves information on how a Token is to be inserted to a ShingleMatrixFilter.Matrix.
float	getWeight(Token token) Have this method return 1f in order to 'disable' weights.
void	setTokenPositioner(Token token, ShingleMatrixFilter.TokenPositioner tokenPositioner) Sets information on how a Token is to be inserted to a ShingleMatrixFilter.Matrix.
void	setWeight(Token token, float weight) Have this method do nothing in order to 'disable' weights.

Methods inherited from class java.lang.Object

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

Constructor Detail

ShingleMatrixFilter.OneDimensionalNonWeightedTokenSettingsCodec

public ShingleMatrixFilter.OneDimensionalNonWeightedTokenSettingsCodec()

Method Detail

getTokenPositioner

public ShingleMatrixFilter.TokenPositioner getTokenPositioner(Token token)
                                                       throws IOException

Description copied from class: ShingleMatrixFilter.TokenSettingsCodec

Retrieves information on how a Token is to be inserted to a ShingleMatrixFilter.Matrix.

Specified by:

getTokenPositioner in class ShingleMatrixFilter.TokenSettingsCodec

Returns:

ShingleMatrixFilter.TokenPositioner

Throws:

IOException

setTokenPositioner

public void setTokenPositioner(Token token,
                      ShingleMatrixFilter.TokenPositioner tokenPositioner)

Description copied from class: ShingleMatrixFilter.TokenSettingsCodec

Sets information on how a Token is to be inserted to a ShingleMatrixFilter.Matrix.

Specified by:

setTokenPositioner in class ShingleMatrixFilter.TokenSettingsCodec

getWeight

public float getWeight(Token token)

Description copied from class: ShingleMatrixFilter.TokenSettingsCodec

Have this method return 1f in order to 'disable' weights.

Specified by:

getWeight in class ShingleMatrixFilter.TokenSettingsCodec

Returns:

the weight of parameter token

setWeight

public void setWeight(Token token,
             float weight)

Description copied from class: ShingleMatrixFilter.TokenSettingsCodec

Have this method do nothing in order to 'disable' weights.

Specified by:

setWeight in class ShingleMatrixFilter.TokenSettingsCodec