org.jeospace.measure
Class TimeUnit

java.lang.Object
  org.jeospace.measure.TimeUnit

public class TimeUnit

extends java.lang.Object

Constant object identifiers of periods of time.

For reference see:
http://ts.nist.gov/ts/htdocs/230/235/h4402/appenc.pdf
which contains values and conversion factors for many non-SI forms of measurement.

http://www.unc.edu/~rowlett/units/index.html
which contains values and anecdotal information on many forms of measurement

Version:

$Revision: 1.1.1.1 $

Author:

Rex Melton

Field Summary

static TimeUnit	CALENDAR_YEAR Constant time period, one calendar year.
static TimeUnit	HOUR Constant time period, one hour.
static TimeUnit	JULIAN_YEAR Constant time period, one Julian year.
static TimeUnit	LEAP_YEAR Constant time period, one leap calendar year.
static TimeUnit	LUNAR_MONTH Constant time period, one lunar month.
static TimeUnit	MILLISECOND Constant time period, one millisecond.
long	milliseconds The length of the time period in milliseconds.
static TimeUnit	MINUTE Constant time period, one minute.
java.lang.String	name The common name of the time period.
static TimeUnit	SECOND Constant time period, one second.
double	seconds The length of the time period in seconds.
static TimeUnit	SIDEREAL_DAY Constant time period, one sidereal day.
static TimeUnit	SIDEREAL_YEAR Constant time period, one sidereal year.
static TimeUnit	SOLAR_DAY Constant time period, one solar / Julian day.
static TimeUnit	SOLAR_YEAR Constant time period, one solar year.
java.lang.String	symbol The symbol of the time period
static TimeUnit	TROPICAL_YEAR Constant time period, one tropical year.

Constructor Summary

protected

TimeUnit(java.lang.String name, java.lang.String symbol, long milliseconds, double seconds) Protected Constructor

Method Summary

static TimeUnit[]	getTimeUnits() Return an array of the defined TimeUnit objects
java.lang.String	toString() Return the name of the time period.

Methods inherited from class java.lang.Object

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

Field Detail

MILLISECOND

public static final TimeUnit MILLISECOND

Constant time period, one millisecond.

SECOND

public static final TimeUnit SECOND

Constant time period, one second.

MINUTE

public static final TimeUnit MINUTE

Constant time period, one minute.

HOUR

public static final TimeUnit HOUR

Constant time period, one hour.

SOLAR_DAY

public static final TimeUnit SOLAR_DAY

Constant time period, one solar / Julian day.

SIDEREAL_DAY

public static final TimeUnit SIDEREAL_DAY

Constant time period, one sidereal day.

LUNAR_MONTH

public static final TimeUnit LUNAR_MONTH

Constant time period, one lunar month.

JULIAN_YEAR

public static final TimeUnit JULIAN_YEAR

Constant time period, one Julian year.

SOLAR_YEAR

public static final TimeUnit SOLAR_YEAR

Constant time period, one solar year.

SIDEREAL_YEAR

public static final TimeUnit SIDEREAL_YEAR

Constant time period, one sidereal year.

TROPICAL_YEAR

public static final TimeUnit TROPICAL_YEAR

Constant time period, one tropical year.

CALENDAR_YEAR

public static final TimeUnit CALENDAR_YEAR

Constant time period, one calendar year. Note: This period is for the common year.

LEAP_YEAR

public static final TimeUnit LEAP_YEAR

Constant time period, one leap calendar year.

name

public final java.lang.String name

The common name of the time period.

symbol

public final java.lang.String symbol

The symbol of the time period

milliseconds

public final long milliseconds

The length of the time period in milliseconds.

seconds

public final double seconds

The length of the time period in seconds.

Constructor Detail

TimeUnit

protected TimeUnit(java.lang.String name,
                   java.lang.String symbol,
                   long milliseconds,
                   double seconds)

Protected Constructor

Parameters:

name - the name of the time period.

symbol - the symbol of the time period.

milliseconds - the duration of the time period in milliseconds.

seconds - the duration of the time period in seconds.

Method Detail

getTimeUnits

public static TimeUnit[] getTimeUnits()

Return an array of the defined TimeUnit objects

Returns:

the array of the defined TimeUnit objects

toString

public java.lang.String toString()

Return the name of the time period.

Returns:

the name of the time period.