org.cyclos.utils

Class BigDecimalHelper

java.lang.Object

org.cyclos.utils.BigDecimalHelper

public class BigDecimalHelper
extends java.lang.Object

Helper class for handling BigDecimals.

Author:

luis, jefferson, rinke

Field Summary

Fields

Modifier and Type	Field and Description
static int	MAX_PRECISION
static int	MAX_SCALE
static int	MAX_UI_PERCENTAGE_SCALE All percentages are shown using two separated boxes: one for the integer part and other for the decimal part, but they are stored as a unique value in the range [0..1] (divided by 100) then the supported scale for those values is MAX_SCALE - 2 This constant can be used only in the client side by a page showing a PercentageField
static java.math.BigDecimal	ONE_HUNDRED

Constructor Summary

Constructors

Constructor and Description
BigDecimalHelper()

Method Summary

Modifier and Type	Method and Description
static boolean	areEquals(java.math.BigDecimal bd1, java.math.BigDecimal bd2)
static int	compareTo(java.math.BigDecimal bd1, java.math.BigDecimal bd2)
static boolean	isNegative(java.math.BigDecimal number) Returns whether the given number is a negative, non-zero number, given a precision delta
static boolean	isNegativeOrZero(java.math.BigDecimal number) Returns whether the given number is a negative or zero number, given a precision delta
static boolean	isPositive(java.math.BigDecimal number) Returns whether the given number is a positive, non-zero number, given a precision delta
static boolean	isPositiveOrZero(java.math.BigDecimal number) Returns whether the given number is a positive or zero number, given a precision delta
static boolean	isZero(java.math.BigDecimal number) Returns whether the given number is a negative, non-zero number, given a precision delta
static java.math.BigDecimal	round(java.math.BigDecimal number, int scale) Rounds the given number to the given scale
static java.math.BigDecimal	zeroWhenNull(java.math.BigDecimal bigDecimal) Returns zero when the given BigDecimal is null

Methods inherited from class java.lang.Object

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

Field Detail

ONE_HUNDRED

public static final java.math.BigDecimal ONE_HUNDRED

MAX_PRECISION

public static final int MAX_PRECISION

MAX_SCALE

public static final int MAX_SCALE

MAX_UI_PERCENTAGE_SCALE

public static final int MAX_UI_PERCENTAGE_SCALE

All percentages are shown using two separated boxes: one for the integer part and other for the decimal part, but they are stored as a unique value in the range [0..1] (divided by 100) then the supported scale for those values is MAX_SCALE - 2 This constant can be used only in the client side by a page showing a PercentageField

Constructor Detail

BigDecimalHelper

public BigDecimalHelper()

Method Detail

areEquals

public static boolean areEquals(java.math.BigDecimal bd1,
                                java.math.BigDecimal bd2)

compareTo

public static int compareTo(java.math.BigDecimal bd1,
                            java.math.BigDecimal bd2)

isNegative

public static boolean isNegative(java.math.BigDecimal number)

Returns whether the given number is a negative, non-zero number, given a precision delta

isNegativeOrZero

public static boolean isNegativeOrZero(java.math.BigDecimal number)

Returns whether the given number is a negative or zero number, given a precision delta

isPositive

public static boolean isPositive(java.math.BigDecimal number)

Returns whether the given number is a positive, non-zero number, given a precision delta

isPositiveOrZero

public static boolean isPositiveOrZero(java.math.BigDecimal number)

Returns whether the given number is a positive or zero number, given a precision delta

isZero

public static boolean isZero(java.math.BigDecimal number)

Returns whether the given number is a negative, non-zero number, given a precision delta

round

public static java.math.BigDecimal round(java.math.BigDecimal number,
                                         int scale)

Rounds the given number to the given scale

zeroWhenNull

public static java.math.BigDecimal zeroWhenNull(java.math.BigDecimal bigDecimal)

Returns zero when the given BigDecimal is null