Package com.yahoo.search.grouping.request

Class DateFunction

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.DateFunction

All Implemented Interfaces:

Iterable<GroupingExpression>

public class DateFunction
extends FunctionNode

This class represents a timestamp-formatter function in a GroupingExpression. It evaluates to a string on the form "YYYY-MM-DD" of the result of the argument.

Author:

Simon Thoresen Hult, bratseth

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
DateFunction	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 Detail

DateFunction

public DateFunction(GroupingExpression exp)

Constructs a new instance of this class.

Parameters:

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

Method Detail

copy

public DateFunction copy()

Description copied from class: GroupingExpression

Returns a deep copy of this

Specified by:

copy in class GroupingExpression