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

Class Countif

java.lang.Object

org.apache.poi.ss.formula.functions.Fixed2ArgFunction

org.apache.poi.ss.formula.functions.Countif

All Implemented Interfaces:

ArrayFunction, Function, Function2Arg

public final class Countif
extends Fixed2ArgFunction
implements ArrayFunction

Implementation for the function COUNTIF

Syntax: COUNTIF ( range, criteria )

Parameter descriptions

range	is the range of cells to be counted based on the criteria
criteria	is used to determine which cells to count

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	Countif.ErrorMatcher
static final class	Countif.StringMatcher

Constructor Summary

Constructors

Constructor	Description
Countif()

Method Summary

Modifier and Type	Method	Description
ValueEval	evaluate(int srcRowIndex, int srcColumnIndex, ValueEval arg0, ValueEval arg1)	see Function.evaluate(ValueEval[], int, int)
ValueEval	evaluateArray(ValueEval[] args, int srcRowIndex, int srcColumnIndex)	Evaluated in array context (the result feeds an array-mode function such as SUMPRODUCT, or the cell is part of an array formula): a multi-cell range as criteria means one count per criterion.

Methods inherited from class org.apache.poi.ss.formula.functions.Fixed2ArgFunction

evaluate

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.poi.ss.formula.functions.ArrayFunction

evaluateOneArrayArg, evaluateTwoArrayArgs

Constructor Details

Countif

public Countif()

Method Details

evaluate

public ValueEval evaluate(int srcRowIndex,
 int srcColumnIndex,
 ValueEval arg0,
 ValueEval arg1)

Description copied from interface: Function2Arg

see Function.evaluate(ValueEval[], int, int)

Specified by:

evaluate in interface Function2Arg

evaluateArray

public ValueEval evaluateArray(ValueEval[] args,
 int srcRowIndex,
 int srcColumnIndex)

Evaluated in array context (the result feeds an array-mode function such as SUMPRODUCT, or the cell is part of an array formula): a multi-cell range as criteria means one count per criterion.

Specified by:

evaluateArray in interface ArrayFunction

Parameters:

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

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

srcColumnIndex - 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.

Since:

6.0.0