Package com.yahoo.search.grouping.request

Class ToDoubleFunction

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.ToDoubleFunction

All Implemented Interfaces:

Iterable<GroupingExpression>

public class ToDoubleFunction
extends FunctionNode

This class represents a todouble-function in a GroupingExpression. It converts the result of the argument to a double. If the argument can not be converted, this function returns 0.

Author:

baldersheim, bratseth

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
ToDoubleFunction	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

ToDoubleFunction

public ToDoubleFunction(GroupingExpression exp)

Constructs a new instance of this class.

Parameters:

exp - The expression to evaluate.

Method Details

copy

public ToDoubleFunction copy()

Description copied from class: GroupingExpression

Returns a deep copy of this

Specified by:

copy in class GroupingExpression