public final class AlternateUnit<Q extends javax.measure.Quantity<Q>> extends AbstractUnit<Q>
This class represents units used in expressions to distinguish between quantities of a different nature but of the same dimensions.
name, ONE, SYMBOL_TO_UNIT
Constructor and Description |
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AlternateUnit(javax.measure.Unit<?> parentUnit,
String symbol)
Creates an alternate unit for the specified system unit identified by the specified name and symbol.
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Modifier and Type | Method and Description |
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boolean |
equals(Object obj) |
Map<? extends javax.measure.Unit<?>,Integer> |
getBaseUnits() |
javax.measure.Dimension |
getDimension() |
javax.measure.Unit<?> |
getParentUnit()
Returns the parent unit of this alternate unit, always a system unit and never an alternate unit.
|
String |
getSymbol() |
javax.measure.UnitConverter |
getSystemConverter()
Returns the converter from this unit to its unscaled
System Unit unit. |
int |
hashCode() |
AbstractUnit<Q> |
toSystemUnit()
Returns the unscaled
SI unit from which this unit is derived. |
alternate, annotate, asType, compareTo, divide, divide, divide, getActualType, getConverterTo, getConverterToAny, getName, getSystemUnit, inverse, isCompatible, isSystemUnit, multiply, multiply, multiply, parse, pow, root, setName, setSymbol, shift, toString, transform
public AlternateUnit(javax.measure.Unit<?> parentUnit, String symbol)
parent
- the system unit from which this alternate unit is derived.symbol
- the symbol for this alternate unit.IllegalArgumentException
- if the specified parent unit is not an system unit
public javax.measure.Unit<?> getParentUnit()
public javax.measure.Dimension getDimension()
getDimension
in interface javax.measure.Unit<Q extends javax.measure.Quantity<Q>>
getDimension
in class AbstractUnit<Q extends javax.measure.Quantity<Q>>
public javax.measure.UnitConverter getSystemConverter()
AbstractUnit
System Unit
unit.getSystemConverter
in class AbstractUnit<Q extends javax.measure.Quantity<Q>>
getConverterTo(this.toSystemUnit())
#toSI
public AbstractUnit<Q> toSystemUnit()
AbstractUnit
SI
unit from which this unit is derived.
They SI unit can be be used to identify a quantity given the unit. For example:[code] static boolean isAngularVelocity(AbstractUnit> unit) {
return unit.toSI().equals(RADIAN.divide(SECOND)); } assert(REVOLUTION.divide(MINUTE).isAngularVelocity()); // Returns true. [/code]toSystemUnit
in class AbstractUnit<Q extends javax.measure.Quantity<Q>>
public Map<? extends javax.measure.Unit<?>,Integer> getBaseUnits()
getBaseUnits
in interface javax.measure.Unit<Q extends javax.measure.Quantity<Q>>
getBaseUnits
in class AbstractUnit<Q extends javax.measure.Quantity<Q>>
public int hashCode()
hashCode
in class AbstractUnit<Q extends javax.measure.Quantity<Q>>
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