Package com.yahoo.search.grouping.request

Class NegFunction

java.lang.Object

com.yahoo.search.grouping.request.GroupingNode

com.yahoo.search.grouping.request.GroupingExpression

com.yahoo.search.grouping.request.FunctionNode

com.yahoo.search.grouping.request.NegFunction

All Implemented Interfaces:

Iterable<GroupingExpression>

public class NegFunction
extends FunctionNode

This class represents a negate-function in a GroupingExpression. It evaluates to a number that equals the negative of the results of the argument.

Author:

Simon Thoresen Hult, bratseth

Constructor Summary

Constructors

Constructor	Description
NegFunction(GroupingExpression exp)	Constructs a new instance of this class.

Method Summary

Modifier and Type	Method	Description
NegFunction	copy()	Returns a deep copy of this

Methods inherited from class com.yahoo.search.grouping.request.FunctionNode

args, asList, asList, asList, getArg, getNumArgs, iterator, resolveLevel, visit

Methods inherited from class com.yahoo.search.grouping.request.GroupingExpression

asImage, asString, getLevel, getLevelOrNull, setLabel

Methods inherited from class com.yahoo.search.grouping.request.GroupingNode

getImage, getLabel, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Details

NegFunction

public NegFunction(GroupingExpression exp)

Constructs a new instance of this class.

Parameters:

exp - The expression to evaluate, must evaluate to a number.

Method Details

copy

public NegFunction copy()

Description copied from class: GroupingExpression

Returns a deep copy of this

Specified by:

copy in class GroupingExpression