Top Description Fields Constructors Methods
org.apache.poi.ss.formula.atp

public final Class IfNa

extends Object
implements FreeRefFunction
Class Inheritance
All Implemented Interfaces
org.apache.poi.ss.formula.functions.FreeRefFunction
Imports
org.apache.poi.ss.formula.OperationEvaluationContext, org.apache.poi.ss.formula.eval.ErrorEval, .EvaluationException, .OperandResolver, .ValueEval, org.apache.poi.ss.formula.functions.FreeRefFunction
Implementation of 'Analysis Toolpak' the Excel function IFNA() Syntax:
IFNA(test_value, default_value)

test_value The value to be tested
default_value The value to be tested

Returns default_value if test_value is '#N/A', test_value otherwise.

Field Summary

Modifier and TypeField and Description
public static final FreeRefFunction
instance

Constructor Summary

AccessConstructor and Description
private
IfNa()

Method Summary

Modifier and TypeMethod and Description
public ValueEval
evaluate(ValueEval[]
the pre-evaluated arguments for this function. args is never null, nor are any of its elements.
args, OperationEvaluationContext
primarily used to identify the source cell containing the formula being evaluated. may also be used to dynamically create reference evals.
ec)

Implements org.apache.poi.ss.formula.functions.FreeRefFunction.evaluate.

Inherited from java.lang.Object:
cloneequalsfinalizegetClasshashCodenotifynotifyAlltoStringwaitwaitwait

Field Detail

instanceback to summary
public static final FreeRefFunction instance

Constructor Detail

IfNaback to summary
private IfNa()

Method Detail

evaluateback to summary
public ValueEval evaluate(ValueEval[] args, OperationEvaluationContext ec)

Implements org.apache.poi.ss.formula.functions.FreeRefFunction.evaluate.

Parameters
args:ValueEval[]

Doc from org.apache.poi.ss.formula.functions.FreeRefFunction.evaluate.

the pre-evaluated arguments for this function. args is never null, nor are any of its elements.

ec:OperationEvaluationContext

Doc from org.apache.poi.ss.formula.functions.FreeRefFunction.evaluate.

primarily used to identify the source cell containing the formula being evaluated. may also be used to dynamically create reference evals.

Returns:ValueEval

Doc from org.apache.poi.ss.formula.functions.FreeRefFunction.evaluate.

never null. Possibly an instance of ErrorEval in the case of a specified Excel error (Exceptions are never thrown to represent Excel errors).