Package org.djunits.unit.unitsystem

Class UnitSystem

java.lang.Object

org.djunits.unit.unitsystem.UnitSystem

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

AU, CGS, Imperial, MTS, Other, SI

public abstract class UnitSystem
extends Object
implements Serializable

Systems of Units such as SI, including SI-derived; cgs (centimeter-gram-second).

Copyright (c) 2015-2023 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved.
BSD-style license. See DJUNITS License

Author:

Alexander Verbraeck

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static AU	AU	AU: Atomic Unit system.
static CGS	CGS	CGS: centimeter-gram-second system.
static CGS_EMU	CGS_EMU	CGS_EMU: centimeter-gram-second system, electromagnetic units.
static CGS_ESU	CGS_ESU	CGS_ESU: centimeter-gram-second system, electrostatic units.
static Imperial	IMPERIAL	Imperial system.
static MTS	MTS	MTS: meter-tonne-second system.
static Other	OTHER	Other (or no) system.
static SIAccepted	SI_ACCEPTED	SI units, accepted for use in addition to SI.
static SIBase	SI_BASE	SI base units: temperature, time, length, mass, luminous intensity, amount of substance and electric current.
static SIDerived	SI_DERIVED	SI derived units, by combining SI-base elements (and quantifiers such as milli or kilo).
static USCustomary	US_CUSTOMARY	US additions to the Imperial system.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	UnitSystem(String abbreviationKey, String nameKey)	Construct a new UnitSystem.

Method Summary

Modifier and Type	Method	Description
String	getAbbreviation()	Retrieve the abbreviation of this UnitSystem.
String	getAbbreviationKey()	Retrieve the abbreviation key of this UnitSystem.
String	getName()	Retrieve the name of this UnitSystem.
String	getNameKey()	Retrieve the name key of this UnitSystem.
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

CGS

public static final CGS CGS

CGS: centimeter-gram-second system.

CGS_ESU

public static final CGS_ESU CGS_ESU

CGS_ESU: centimeter-gram-second system, electrostatic units.

CGS_EMU

public static final CGS_EMU CGS_EMU

CGS_EMU: centimeter-gram-second system, electromagnetic units.

IMPERIAL

public static final Imperial IMPERIAL

Imperial system.

MTS

public static final MTS MTS

MTS: meter-tonne-second system.

OTHER

public static final Other OTHER

Other (or no) system.

SI_ACCEPTED

public static final SIAccepted SI_ACCEPTED

SI units, accepted for use in addition to SI.

SI_BASE

public static final SIBase SI_BASE

SI base units: temperature, time, length, mass, luminous intensity, amount of substance and electric current.

SI_DERIVED

public static final SIDerived SI_DERIVED

SI derived units, by combining SI-base elements (and quantifiers such as milli or kilo).

US_CUSTOMARY

public static final USCustomary US_CUSTOMARY

US additions to the Imperial system.

AU

public static final AU AU

AU: Atomic Unit system.

Constructor Detail

UnitSystem

protected UnitSystem(String abbreviationKey,
                     String nameKey)

Construct a new UnitSystem.

Parameters:

abbreviationKey - String; the abbreviation of the unit system, such as cgs

nameKey - String; the name of the unit system, such as centimeter-gram-second

Method Detail

getName

public final String getName()

Retrieve the name of this UnitSystem.

Returns:

String; the name of this UnitSystem, e.g. centimeter-gram-second

getNameKey

public final String getNameKey()

Retrieve the name key of this UnitSystem.

Returns:

String; the name key of this UnitSystem, e.g. CGS.centimeter-gram-second

getAbbreviation

public final String getAbbreviation()

Retrieve the abbreviation of this UnitSystem.

Returns:

String; the abbreviation of this UnitSystem, e.g., CGS.cgs

getAbbreviationKey

public final String getAbbreviationKey()

Retrieve the abbreviation key of this UnitSystem.

Returns:

String; the abbreviation key of this UnitSystem, e.g. cgs

toString

public String toString()

Overrides:

toString in class Object