Package com.ezylang.evalex.functions.datetime

Class DateTimeNowFunction

java.lang.Object

com.ezylang.evalex.functions.AbstractFunction

com.ezylang.evalex.functions.datetime.DateTimeNowFunction

All Implemented Interfaces:

FunctionIfc

public class DateTimeNowFunction
extends AbstractFunction

Produces a new DATE_TIME that represents the current date and time.

It is useful to calculate a value based on the current date and time. For example, if you know the start DATE_TIME of a running process, you might use the following expression to find the DURATION that represents the process age:

DT_NOW() - startDateTime

Author:

oswaldobapvicjr

Field Summary

Fields inherited from class com.ezylang.evalex.functions.AbstractFunction

MINUS_ONE

Constructor Summary

Constructors

Constructor	Description
DateTimeNowFunction()

Method Summary

Modifier and Type	Method	Description
EvaluationValue	evaluate(Expression expression, Token functionToken, EvaluationValue... parameterValues)	Performs the function logic and returns an evaluation result.

Methods inherited from class com.ezylang.evalex.functions.AbstractFunction

getFunctionParameterDefinitions, hasVarArgs, validatePreEvaluation

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.ezylang.evalex.functions.FunctionIfc

getCountOfNonVarArgParameters, isParameterLazy

Constructor Detail

DateTimeNowFunction

public DateTimeNowFunction()

Method Detail

evaluate

public EvaluationValue evaluate(Expression expression,
                                Token functionToken,
                                EvaluationValue... parameterValues)

Description copied from interface: FunctionIfc

Performs the function logic and returns an evaluation result.

Parameters:

expression - The expression, where this function is executed. Can be used to access the expression configuration.

functionToken - The function token from the parsed expression.

parameterValues - The parameter values.

Returns:

The evaluation result in form of a EvaluationValue.