Package org.apache.poi.ss.formula.atp

Class Switch

java.lang.Object

org.apache.poi.ss.formula.atp.Switch

All Implemented Interfaces:

FreeRefFunction

public final class Switch
extends Object
implements FreeRefFunction

Implementation of 'Analysis Toolpak' Excel function SWITCH()

The SWITCH function evaluates one value (called the expression) against a list of values, and returns the result corresponding to the first matching value. If there is no match, an optional default value may be returned.

Syntax
SWITCHSWITCH(expression, value1, result1, [default or value2, result2],…[default or value3, result3])

Field Summary

Fields

Modifier and Type	Field	Description
static final FreeRefFunction	instance

Method Summary

Modifier and Type	Method	Description
ValueEval	evaluate(ValueEval[] args, OperationEvaluationContext ec)

Methods inherited from class java.lang.Object

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

Field Details

instance

public static final FreeRefFunction instance

Method Details

evaluate

public ValueEval evaluate(ValueEval[] args,
 OperationEvaluationContext ec)

Specified by:

evaluate in interface FreeRefFunction

Parameters:

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

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

Returns:

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