Class Counta

java.lang.Object
org.apache.poi.ss.formula.functions.Counta
All Implemented Interfaces:
Function

public final class Counta extends Object implements Function
Counts the number of cells that contain data within the list of arguments. Excel Syntax COUNTA(value1,value2,...) Value1, value2, ... are 1 to 30 arguments representing the values or ranges to be counted.
Author:
Josh Micich
  • Constructor Details

    • Counta

      public Counta()
  • Method Details

    • evaluate

      public ValueEval evaluate(ValueEval[] args, int srcCellRow, int srcCellCol)
      Specified by:
      evaluate in interface Function
      Parameters:
      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 evaluation
      srcCellCol - 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.
    • subtotalInstance

      public static Counta subtotalInstance()