Package com.yahoo.search.grouping.request

Class SizeFunction

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.SizeFunction

All Implemented Interfaces:

Iterable<GroupingExpression>

public class SizeFunction
extends FunctionNode

This class represents a size-function in a GroupingExpression. It evaluates to a number that equals the number of elements in the result of the argument (e.g. the number of elements in an array).

Author:

Simon Thoresen Hult, bratseth

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
SizeFunction	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

SizeFunction

public SizeFunction(GroupingExpression exp)

Constructs a new instance of this class.

Parameters:

exp - The expression to evaluate.

Method Details

copy

public SizeFunction copy()

Description copied from class: GroupingExpression

Returns a deep copy of this

Specified by:

copy in class GroupingExpression