org.ojalgo.type
Class TypeUtils

java.lang.Object
  org.ojalgo.type.TypeUtils

public abstract class TypeUtils
extends Object

Field Summary

static NumberContext	EQUALS_NUMBER_CONTEXT The default NumberContext used with various Object.equals(Object) implementations.
static long	HOURS_PER_CENTURY
static long	MILLIS_PER_HOUR
static SimpleDateFormat	SQL_DATE_FORMAT
static SimpleDateFormat	SQL_TIME_FORMAT
static SimpleDateFormat	SQL_TIMESTAMP_FORMAT

Method Summary

static String	format(String aMessagePattern, Object... someArgs) Compatible with slf4j.
static GregorianCalendar	getHundredYearsAgo()
static BigDecimal	getImpliedAmount(QuantityPriceAmountStructure aQuantityPriceAmount)
static BigDecimal	getImpliedPrice(QuantityPriceAmountStructure aQuantityPriceAmount)
static BigDecimal	getImpliedQuantity(QuantityPriceAmountStructure aQuantityPriceAmount)
static GregorianCalendar	getThousandYearsAgo()
static GregorianCalendar	getThousandYearsFromNow()
static boolean	isZero(double aVal)
static boolean	isZero(double aVal, double aTolerance)
static Date	makeSqlDate(long aTimeInMillis)
static Time	makeSqlTime(long aTimeInMillis)
static Timestamp	makeSqlTimestamp(long aTimeInMillis)
static BigDecimal	toBigDecimal(Number aNumber) If the input Number is a BigDecimal it is passed through unaltered.
static BigDecimal	toBigDecimal(Number aNumber, NumberContext aContext)
static ComplexNumber	toComplexNumber(Number aNumber)
static String	toHexString(Color aColor) The way colours are specified in html pages.
static RationalNumber	toRationalNumber(Number aNumber)

Methods inherited from class java.lang.Object

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

Field Detail

EQUALS_NUMBER_CONTEXT

public static final NumberContext EQUALS_NUMBER_CONTEXT

The default NumberContext used with various Object.equals(Object) implementations.

HOURS_PER_CENTURY

public static final long HOURS_PER_CENTURY

See Also:

Constant Field Values

MILLIS_PER_HOUR

public static final long MILLIS_PER_HOUR

See Also:

Constant Field Values

SQL_DATE_FORMAT

public static final SimpleDateFormat SQL_DATE_FORMAT

SQL_TIME_FORMAT

public static final SimpleDateFormat SQL_TIME_FORMAT

SQL_TIMESTAMP_FORMAT

public static final SimpleDateFormat SQL_TIMESTAMP_FORMAT

Method Detail

format

public static String format(String aMessagePattern,
                            Object... someArgs)

Compatible with slf4j. {} in the message pattern will be replaced by the arguments.

getHundredYearsAgo

public static final GregorianCalendar getHundredYearsAgo()

getImpliedAmount

public static BigDecimal getImpliedAmount(QuantityPriceAmountStructure aQuantityPriceAmount)

getImpliedPrice

public static BigDecimal getImpliedPrice(QuantityPriceAmountStructure aQuantityPriceAmount)

getImpliedQuantity

public static BigDecimal getImpliedQuantity(QuantityPriceAmountStructure aQuantityPriceAmount)

getThousandYearsAgo

public static final GregorianCalendar getThousandYearsAgo()

getThousandYearsFromNow

public static final GregorianCalendar getThousandYearsFromNow()

isZero

public static boolean isZero(double aVal)

isZero

public static boolean isZero(double aVal,
                             double aTolerance)

makeSqlDate

public static Date makeSqlDate(long aTimeInMillis)

makeSqlTime

public static Time makeSqlTime(long aTimeInMillis)

makeSqlTimestamp

public static Timestamp makeSqlTimestamp(long aTimeInMillis)

toBigDecimal

public static BigDecimal toBigDecimal(Number aNumber)

If the input Number is a BigDecimal it is passed through unaltered. Otherwise an equivalent BigDecimal is created.

Parameters:

aNumber - Any Number

Returns:

A corresponding BigDecimal

toBigDecimal

public static BigDecimal toBigDecimal(Number aNumber,
                                      NumberContext aContext)

toComplexNumber

public static ComplexNumber toComplexNumber(Number aNumber)

toHexString

public static String toHexString(Color aColor)

The way colours are specified in html pages.

toRationalNumber

public static RationalNumber toRationalNumber(Number aNumber)