Package com.yahoo.search.grouping.request

Class ReverseFunction

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.ReverseFunction

All Implemented Interfaces:

Iterable<GroupingExpression>

public class ReverseFunction
extends FunctionNode

This class represents a reverse-function in a GroupingExpression. It evaluates to a list that equals the list result of the argument, sorted in descending order.

Author:

baldersheim, bratseth

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
ReverseFunction	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

ReverseFunction

public ReverseFunction(GroupingExpression exp)

Constructs a new instance of this class.

Parameters:

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

Method Details

copy

public ReverseFunction copy()

Description copied from class: GroupingExpression

Returns a deep copy of this

Specified by:

copy in class GroupingExpression