com.communote.common.util

Class NumberHelper

java.lang.Object

com.communote.common.util.NumberHelper

public final class NumberHelper
extends Object

Helper class for numbers

Author:

Communote GmbH - http://www.communote.com/

Method Summary

Modifier and Type	Method and Description
static boolean	equals(Number n1, Number n2) Compare the two numbers and taking care of null values
static long[]	getRangeOfNumber(long number, long rangeSize) Returns an array containing the start and the end of the range the provided number is in.

Methods inherited from class java.lang.Object

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

Method Detail

equals

public static boolean equals(Number n1,
                             Number n2)

Compare the two numbers and taking care of null values

Parameters:

n1 - number one

n2 - number two

Returns:

if the number are equals

getRangeOfNumber

public static long[] getRangeOfNumber(long number,
                                      long rangeSize)

Returns an array containing the start and the end of the range the provided number is in. All ranges have a size of rangeSize and the first starts with 0.

Parameters:

number - the number whose range is searched

rangeSize - the size of the ranges

Returns:

an array whose first member is the start of the range and the 2nd is the end