Class TransformedUnit<Q extends Quantity>

  • All Implemented Interfaces:

    public final class TransformedUnit<Q extends Quantity>extends DerivedUnit<Q>

    This class represents the units derived from other units using converters.

    Examples of transformed units:

             CELSIUS = KELVIN.add(273.15);         FOOT = METER.multiply(0.3048);         MILLISECOND = MILLI(SECOND);      

    Transformed units have no label. But like any other units, they may have labels attached to them:

             UnitFormat.getStandardInstance().label(FOOT, "ft");     
    or aliases:
             UnitFormat.getStandardInstance().alias(CENTI(METER)), "centimeter");         UnitFormat.getStandardInstance().alias(CENTI(METER)), "centimetre");     

    See Also:, Unit.times(double), Unit.transform(UnitConverter), UnitFormat, Serialized Form
    • Method Detail

      • getParentUnit

        public Unit<Q> getParentUnit()
        Returns the parent unit for this unit. The parent unit is the untransformed unit from which this unit is derived.
        the untransformed unit from which this unit is derived.
      • toParentUnit

        public UnitConverter toParentUnit()
        Returns the converter to the parent unit.
        the converter to the parent unit.
      • equals

        public boolean equals(Object that)
        Indicates if this transformed unit is considered equals to the specified object (both are transformed units with equal parent unit and equal converter to parent unit).
        Specified by:
        equals in class Unit<Q extends Quantity>
        that - the object to compare for equality.
        true if this and that are considered equals; falseotherwise.
      • hashCode

        public int hashCode()
        Description copied from class: Unit
        Returns the hash code for this unit.
        Specified by:
        hashCode in class Unit<Q extends Quantity>
        this unit hashcode value.
      • getStandardUnit

        public Unit<? super Q> getStandardUnit()
        Description copied from class: Unit
        Returns the base unit, alternate unit or product of base units and alternate units this unit is derived from. The standard unit identifies the "type" of quantity for which this unit is employed. For example:
            boolean isAngularVelocity(Unit<?> u) {       return u.getStandardUnit().equals(RADIAN.divide(SECOND));    }    assert(REVOLUTION.divide(MINUTE).isAngularVelocity());   

        Note: Having the same system unit is not sufficient to ensure that a converter exists between the two units (e.g. \xc2\xb0C/m and K/m).

        Specified by:
        getStandardUnit in class Unit<Q extends Quantity>
        the system unit this unit is derived from.
      • toStandardUnit

        public UnitConverter toStandardUnit()
        Description copied from class: Unit
        Returns the converter from this unit to its system unit.
        Specified by:
        toStandardUnit in class Unit<Q extends Quantity>

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