Package gnu.math

Class Duration

java.lang.Object

java.lang.Number

gnu.math.Numeric

gnu.math.Quantity

gnu.math.Duration

All Implemented Interfaces:

Externalizable, Serializable

public class Duration
extends Quantity
implements Externalizable

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
Unit	unit

Fields inherited from class gnu.math.Numeric

CEILING, FLOOR, NONNEG_MOD, ROUND, TRUNCATE

Constructor Summary

Constructors

Constructor	Description
Duration()

Method Summary

Modifier and Type	Method	Description
static Duration	add(Duration x, Duration y, int k)
Numeric	add(Object y, int k)	Return this + k * obj.
static int	compare(Duration x, Duration y)
int	compare(Object obj)	Return an integer for which of this or obj is larger.
static double	div(Duration dur1, Duration dur2)
Numeric	div(Object y)
static boolean	equals(Duration x, Duration y)	Compare for equality.
boolean	equals(Object obj)	Compare for equality.
int	getDays()
int	getHours()
int	getMinutes()
int	getMonths()
long	getNanoSeconds()
int	getNanoSecondsOnly()
int	getSecondsOnly()
long	getTotalMinutes()
int	getTotalMonths()
long	getTotalSeconds()
int	getYears()	The number of years in the canonical representation.
int	hashCode()
boolean	isExact()
boolean	isZero()
static Duration	make(int months, long seconds, int nanos, Unit unit)
static Duration	makeMinutes(int minutes)
static Duration	makeMonths(int months)
Numeric	mul(Object y)
Numeric	mulReversed(Numeric x)
Complex	number()
static Duration	parse(String str, Unit unit)
static Duration	parseDayTimeDuration(String str)
static Duration	parseDuration(String str)
static Duration	parseYearMonthDuration(String str)
void	readExternal(ObjectInput in)
static Duration	times(Duration x, double y)
String	toString()
Unit	unit()
static Duration	valueOf(String str, Unit unit)	Parse a duration lexical value as specified by XML Schama.
void	writeExternal(ObjectOutput out)

Methods inherited from class gnu.math.Quantity

abs, add, addReversed, compare, compareReversed, dimensions, divide, divReversed, doubleImagValue, doubleJmagValue, doubleKmagValue, doubleValue, im, imValue, jm, jmValue, km, kmValue, make, make, make, neg, re, reValue, times, toString

Methods inherited from class gnu.math.Numeric

add, asNumericOrNull, div_inv, floatValue, geq, grt, intValue, longValue, mul_ident, power, sub, toExact, toInexact

Methods inherited from class java.lang.Number

byteValue, shortValue

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

unit

public Unit unit

Constructor Details

Duration

public Duration()

Method Details

make

public static Duration make(int months,
 long seconds,
 int nanos,
 Unit unit)

makeMonths

public static Duration makeMonths(int months)

makeMinutes

public static Duration makeMinutes(int minutes)

parse

public static Duration parse(String str,
 Unit unit)

parseDuration

public static Duration parseDuration(String str)

parseYearMonthDuration

public static Duration parseYearMonthDuration(String str)

parseDayTimeDuration

public static Duration parseDayTimeDuration(String str)

valueOf

public static Duration valueOf(String str,
 Unit unit)

Parse a duration lexical value as specified by XML Schama. Return null if invalid syntax.

add

public Numeric add(Object y,
 int k)

Description copied from class: Numeric

Return this + k * obj.

Overrides:

add in class Quantity

mul

public Numeric mul(Object y)

Overrides:

mul in class Quantity

mulReversed

public Numeric mulReversed(Numeric x)

Overrides:

mulReversed in class Quantity

div

public static double div(Duration dur1,
 Duration dur2)

div

public Numeric div(Object y)

Overrides:

div in class Quantity

add

public static Duration add(Duration x,
 Duration y,
 int k)

times

public static Duration times(Duration x,
 double y)

compare

public static int compare(Duration x,
 Duration y)

compare

public int compare(Object obj)

Description copied from class: Numeric

Return an integer for which of this or obj is larger. Return 1 if this>obj; 0 if this==obj; -1 if this<obj; -2 if this!=obj otherwise (for example if either is NaN); -3 if not comparable (incompatible types).

Overrides:

compare in class Quantity

toString

public String toString()

Overrides:

toString in class Numeric

getYears

public int getYears()

The number of years in the canonical representation.

getMonths

public int getMonths()

getDays

public int getDays()

getHours

public int getHours()

getMinutes

public int getMinutes()

getSecondsOnly

public int getSecondsOnly()

getNanoSecondsOnly

public int getNanoSecondsOnly()

getTotalMonths

public int getTotalMonths()

getTotalSeconds

public long getTotalSeconds()

getTotalMinutes

public long getTotalMinutes()

getNanoSeconds

public long getNanoSeconds()

isZero

public boolean isZero()

Specified by:

isZero in class Numeric

isExact

public boolean isExact()

Specified by:

isExact in class Numeric

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

ClassNotFoundException

unit

public Unit unit()

Overrides:

unit in class Quantity

number

public Complex number()

Specified by:

number in class Quantity

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public static boolean equals(Duration x,
 Duration y)

Compare for equality. Ignores unit.

equals

public boolean equals(Object obj)

Compare for equality. Ignores unit.

Overrides:

equals in class Numeric