org.zkoss.pivot
Class Calculators

java.lang.Object
  org.zkoss.pivot.Calculators

public class Calculators
extends java.lang.Object

Built-in Calculators

Author:

simonpai

Field Summary

static Calculator	AVERAGE Calculates the arithmetic average of data.
static Calculator	COUNT Returns the count of data.
static Calculator	MAX Calculates the maximum of data.
static Calculator	MIN Calculates the minimum of data.
static Calculator	SUM Returns the arithmetic sum of data.

Constructor Summary

Calculators()

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

SUM

public static final Calculator SUM

Returns the arithmetic sum of data. Non numeric values are omitted. Returns 0 if no numeric values are present in data array.

COUNT

public static final Calculator COUNT

Returns the count of data.

MAX

public static final Calculator MAX

Calculates the maximum of data. Non numeric values are omitted. Returns null if no numeric values are present in data array.

MIN

public static final Calculator MIN

Calculates the minimum of data. Non numeric values are omitted. Returns null if no numeric values are present in data array.

AVERAGE

public static final Calculator AVERAGE

Calculates the arithmetic average of data. Non numeric values are omitted. Returns null if no numeric values are present in data array.

Constructor Detail

Calculators

public Calculators()