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 java.math.MathContext	MATH_CONTEXT A math context with precision = 15 + MAX_SCALE, with RoundingMode.HALF_UP
static int	MAX_SCALE
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 int	hashCode(java.math.BigDecimal bd1)
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	max(java.math.BigDecimal bd1, java.math.BigDecimal bd2)
static java.math.BigDecimal	min(java.math.BigDecimal bd1, java.math.BigDecimal bd2)
static java.math.BigDecimal	round(java.math.BigDecimal number, int scale) Rounds the given number to the given scale
static java.math.BigDecimal	toBigDecimal(java.lang.String intPart, java.lang.String decimalPart) Converts the given integer part and decimal part to a BigDecimal value.
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_SCALE

public static final int MAX_SCALE

MATH_CONTEXT

public static final java.math.MathContext MATH_CONTEXT

A math context with precision = 15 + MAX_SCALE, with RoundingMode.HALF_UP

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)

hashCode

public static int hashCode(java.math.BigDecimal bd1)

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

max

public static java.math.BigDecimal max(java.math.BigDecimal bd1,
                                       java.math.BigDecimal bd2)

min

public static java.math.BigDecimal min(java.math.BigDecimal bd1,
                                       java.math.BigDecimal bd2)

round

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

Rounds the given number to the given scale

toBigDecimal

public static java.math.BigDecimal toBigDecimal(java.lang.String intPart,
                                                java.lang.String decimalPart)

Converts the given integer part and decimal part to a BigDecimal value. If either is null, returns null.

zeroWhenNull

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

Returns zero when the given BigDecimal is null