Package com.yahoo.searchlib.rankingexpression.transform

Class ConstantDereferencer

java.lang.Object

com.yahoo.searchlib.rankingexpression.transform.ExpressionTransformer<TransformContext>

com.yahoo.searchlib.rankingexpression.transform.ConstantDereferencer

public class ConstantDereferencer
extends ExpressionTransformer<TransformContext>

Replaces constant reference pseudofeatures which are scalars by their constant value

Author:

bratseth

Constructor Summary

Constructors

Constructor	Description
ConstantDereferencer()

Method Summary

Modifier and Type	Method	Description
ExpressionNode	transform(ExpressionNode node, TransformContext context)	Transforms an expression node and returns the transformed node

Methods inherited from class com.yahoo.searchlib.rankingexpression.transform.ExpressionTransformer

transform, transformChildren

Methods inherited from class java.lang.Object

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

Constructor Details

ConstantDereferencer

public ConstantDereferencer()

Method Details

transform

public ExpressionNode transform(ExpressionNode node,
 TransformContext context)

Description copied from class: ExpressionTransformer

Transforms an expression node and returns the transformed node

Specified by:

transform in class ExpressionTransformer<TransformContext>