Package com.yahoo.searchlib.treenet.rule

Class ComparisonCondition

java.lang.Object

com.yahoo.searchlib.treenet.rule.TreeNode

com.yahoo.searchlib.treenet.rule.Condition

com.yahoo.searchlib.treenet.rule.ComparisonCondition

public class ComparisonCondition
extends Condition

Represents a condition which comparing two values

Author:

Simon Thoresen Hult

Constructor Summary

Constructors

Constructor	Description
ComparisonCondition(java.lang.String lhs, double rhs, java.lang.String ift, java.lang.String iff)	Constructs a new instance of this class.

Method Summary

Modifier and Type	Method	Description
java.lang.String	conditionToRankingExpression()	Returns the ranking expression string for the condition part of this condition, i.e the ...
double	getConstant()	Returns the constant to compare the feature with.

Methods inherited from class com.yahoo.searchlib.treenet.rule.Condition

getFalseLabel, getLeftValue, getTrueLabel, toRankingExpression

Methods inherited from class com.yahoo.searchlib.treenet.rule.TreeNode

getParent, setParent

Methods inherited from class java.lang.Object

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

Constructor Detail

ComparisonCondition

public ComparisonCondition(java.lang.String lhs,
                           double rhs,
                           java.lang.String ift,
                           java.lang.String iff)

Constructs a new instance of this class.

Parameters:

lhs - The name of the feature to compare to a constant.

rhs - The constant to compare the feature with.

ift - The label to jump to if left < right.

iff - The label to jump to if left >= right;

Method Detail

getConstant

public double getConstant()

Returns the constant to compare the feature with.

Returns:

The constant.

conditionToRankingExpression

public java.lang.String conditionToRankingExpression()

Description copied from class: Condition

Returns the ranking expression string for the condition part of this condition, i.e the ... part of

     if(leftValue ..., trueExpression, falseExpression)
 

Specified by:

conditionToRankingExpression in class Condition