Package org.apache.poi.ss.formula.functions

Class NotImplementedFunction

java.lang.Object

org.apache.poi.ss.formula.functions.NotImplementedFunction

All Implemented Interfaces:

Function

public final class NotImplementedFunction
extends Object
implements Function

This is the default implementation of a Function class. The default behaviour is to raise a POI internal error (NotImplementedFunctionException). This error should alert the user that the formula contained a function that is not yet implemented.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	NotImplementedFunction()
	NotImplementedFunction(String name)

Method Summary

Modifier and Type	Method	Description
ValueEval	evaluate(ValueEval[] operands, int srcRow, int srcCol)
String	getFunctionName()

Methods inherited from class java.lang.Object

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

Constructor Detail

NotImplementedFunction

protected NotImplementedFunction()

NotImplementedFunction

public NotImplementedFunction(String name)

Method Detail

evaluate

public ValueEval evaluate(ValueEval[] operands,
                          int srcRow,
                          int srcCol)

Specified by:

evaluate in interface Function

Parameters:

operands - the evaluated function arguments. Empty values are represented with BlankEval or MissingArgEval, never null.

srcRow - row index of the cell containing the formula under evaluation

srcCol - column index of the cell containing the formula under evaluation

Returns:

The evaluated result, possibly an ErrorEval, never null. Note - Excel uses the error code #NUM! instead of IEEE NaN, so when numeric functions evaluate to Double.NaN be sure to translate the result to ErrorEval.NUM_ERROR.

getFunctionName

public String getFunctionName()