Apache POI - Common 5.3.0 · org.apache.poi.ss.formula.atp.YearFrac

Implementation of Excel 'Analysis ToolPak' function YEARFRAC()
Returns the fraction of the year spanned by two dates.

Syntax
YEARFRAC(startDate, endDate, basis)

The basis optionally specifies the behaviour of YEARFRAC as follows:

Field Summary

Modifier and Type	Field and Description
public static final FreeRefFunction	instance

Access	Constructor and Description
private	YearFrac()

Modifier and Type	Method 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.
private static double	evaluateDateArg(ValueEval arg, int srcCellRow, int srcCellCol)
private static int	evaluateIntArg(ValueEval arg, int srcCellRow, int srcCellCol)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

instance	back to summary
public static final FreeRefFunction instance

YearFrac	back to summary
private YearFrac()

evaluate back to summary

evaluate	back 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). Annotations @Override

Parameters

args:ValueEval[]

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

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

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

Annotations

evaluateDateArg	back to summary
private static double evaluateDateArg(ValueEval arg, int srcCellRow, int srcCellCol) throws EvaluationException

evaluateIntArg	back to summary
private static int evaluateIntArg(ValueEval arg, int srcCellRow, int srcCellCol) throws EvaluationException