Package com.yahoo.searchlib.rankingexpression.transform

Class Simplifier

java.lang.Object

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

com.yahoo.searchlib.rankingexpression.transform.Simplifier

public class Simplifier
extends ExpressionTransformer<TransformContext>

Performs simple algebraic simplification of expressions

Author:

bratseth

Constructor Summary

Constructors

Constructor	Description
Simplifier()

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

Simplifier

public Simplifier()

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>