public final class Count extends java.lang.Object implements Function
Constructor and Description |
---|
Count() |
Modifier and Type | Method and Description |
---|---|
ValueEval |
evaluate(ValueEval[] args,
int srcCellRow,
int srcCellCol) |
static Count |
subtotalIgnoreHiddenInstance() |
static Count |
subtotalInstance()
Create an instance of Count to use in
Subtotal
If there are other subtotals within argument refs (or nested subtotals),
these nested subtotals are ignored to avoid double counting. |
public ValueEval evaluate(ValueEval[] args, int srcCellRow, int srcCellCol)
evaluate
in interface Function
args
- the evaluated function arguments. Empty values are represented with
BlankEval
or MissingArgEval
, never null
.srcCellRow
- row index of the cell containing the formula under evaluationsrcCellCol
- column index of the cell containing the formula under evaluationErrorEval
, 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
.public static Count subtotalInstance()
Subtotal
If there are other subtotals within argument refs (or nested subtotals), these nested subtotals are ignored to avoid double counting.
Subtotal
public static Count subtotalIgnoreHiddenInstance()
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