org.apache.poi.hssf.record.formula.functions
Class Countif

java.lang.Object
  extended by org.apache.poi.hssf.record.formula.functions.Countif
All Implemented Interfaces:
Function

public final class Countif
extends java.lang.Object
implements Function

Implementation for the function COUNTIF

Syntax: COUNTIF ( range, criteria )

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

Author:
Josh Micich

Constructor Summary
Countif()
           
 
Method Summary
 ValueEval evaluate(ValueEval[] args, int srcRowIndex, short srcColumnIndex)
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

Countif

public Countif()
Method Detail

evaluate

public ValueEval evaluate(ValueEval[] args,
                          int srcRowIndex,
                          short srcColumnIndex)
Specified by:
evaluate in interface Function
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.


Copyright 2009 The Apache Software Foundation or its licensors, as applicable.