FloatScalarUtil.java
package org.djunits.value.vfloat.scalar;
import org.djunits.unit.AbsoluteTemperatureUnit;
import org.djunits.unit.AccelerationUnit;
import org.djunits.unit.AngleSolidUnit;
import org.djunits.unit.AngleUnit;
import org.djunits.unit.AreaUnit;
import org.djunits.unit.DensityUnit;
import org.djunits.unit.DimensionlessUnit;
import org.djunits.unit.DirectionUnit;
import org.djunits.unit.DurationUnit;
import org.djunits.unit.ElectricalChargeUnit;
import org.djunits.unit.ElectricalCurrentUnit;
import org.djunits.unit.ElectricalPotentialUnit;
import org.djunits.unit.ElectricalResistanceUnit;
import org.djunits.unit.EnergyUnit;
import org.djunits.unit.FlowMassUnit;
import org.djunits.unit.FlowVolumeUnit;
import org.djunits.unit.ForceUnit;
import org.djunits.unit.FrequencyUnit;
import org.djunits.unit.LengthUnit;
import org.djunits.unit.LinearDensityUnit;
import org.djunits.unit.MassUnit;
import org.djunits.unit.MoneyPerAreaUnit;
import org.djunits.unit.MoneyPerDurationUnit;
import org.djunits.unit.MoneyPerEnergyUnit;
import org.djunits.unit.MoneyPerLengthUnit;
import org.djunits.unit.MoneyPerMassUnit;
import org.djunits.unit.MoneyPerVolumeUnit;
import org.djunits.unit.MoneyUnit;
import org.djunits.unit.PositionUnit;
import org.djunits.unit.PowerUnit;
import org.djunits.unit.PressureUnit;
import org.djunits.unit.SpeedUnit;
import org.djunits.unit.TemperatureUnit;
import org.djunits.unit.TimeUnit;
import org.djunits.unit.TorqueUnit;
import org.djunits.unit.Unit;
import org.djunits.unit.UnitException;
import org.djunits.unit.VolumeUnit;
/**
* Class to instantiate any FloatScalar based on the provided unit.
* <p>
* Copyright (c) 2013-2017 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
* BSD-style license. See <a href="http://opentrafficsim.org/docs/current/license.html">OpenTrafficSim License</a>.
* </p>
* $LastChangedDate: 2015-07-24 02:58:59 +0200 (Fri, 24 Jul 2015) $, @version $Revision: 1147 $, by $Author: averbraeck $,
* initial version Aug 11, 2018 <br>
* @author <a href="http://www.tbm.tudelft.nl/averbraeck">Alexander Verbraeck</a>
* @author <a href="http://www.tudelft.nl/pknoppers">Peter Knoppers</a>
* @author <a href="http://www.transport.citg.tudelft.nl">Wouter Schakel</a>
*/
public final class FloatScalarUtil
{
/** */
private FloatScalarUtil()
{
// Utility class.
}
/**
* Instantiate the DoubleScalar based on its unit. Rigid check on types for the compiler.
* @param value float; the value
* @param unit U; the unit in which the value is expressed
* @return an instantiated DoubleScalar with the value expressed in the unit
* @param <U> the unit
* @param <S> the return type
*/
public static <U extends Unit<U>, S extends AbstractFloatScalar<U, S>> S instantiate(final float value, final U unit)
{
return instantiateAnonymous(value, unit);
}
/**
* Instantiate the DoubleScalar based on its unit. Loose check for types on the compiler. This allows the unit to be
* specified as a Unit<?> type.<br>
* <b>Note</b> that it is possible to make mistakes with anonymous units. The following <u>does</u> compile:
*
* <pre>
* MoneyPerLengthUnit mlu = new MoneyPerLengthUnit(MoneyUnit.USD, LengthUnit.METER, "$/m", "$/m");
*
* MoneyPerArea mpa = DoubleScalarUtil.instantiateAnonymous(10.0, mlu);
* </pre>
*
* @param value float; the value
* @param unit Unit<?>; the unit in which the value is expressed
* @return an instantiated DoubleScalar with the value expressed in the unit
* @param <S> the return type
*/
@SuppressWarnings({"unchecked", "checkstyle:needbraces"})
public static <S extends AbstractFloatScalar<?, S>> S instantiateAnonymous(final float value, final Unit<?> unit)
{
if (unit instanceof DimensionlessUnit)
return (S) new FloatDimensionless(value, (DimensionlessUnit) unit);
else if (unit instanceof AccelerationUnit)
return (S) new FloatAcceleration(value, (AccelerationUnit) unit);
else if (unit instanceof AngleSolidUnit)
return (S) new FloatAngleSolid(value, (AngleSolidUnit) unit);
else if (unit instanceof AngleUnit)
return (S) new FloatAngle(value, (AngleUnit) unit);
else if (unit instanceof DirectionUnit)
return (S) new FloatDirection(value, (DirectionUnit) unit);
else if (unit instanceof AreaUnit)
return (S) new FloatArea(value, (AreaUnit) unit);
else if (unit instanceof DensityUnit)
return (S) new FloatDensity(value, (DensityUnit) unit);
else if (unit instanceof ElectricalChargeUnit)
return (S) new FloatElectricalCharge(value, (ElectricalChargeUnit) unit);
else if (unit instanceof ElectricalCurrentUnit)
return (S) new FloatElectricalCurrent(value, (ElectricalCurrentUnit) unit);
else if (unit instanceof ElectricalPotentialUnit)
return (S) new FloatElectricalPotential(value, (ElectricalPotentialUnit) unit);
else if (unit instanceof ElectricalResistanceUnit)
return (S) new FloatElectricalResistance(value, (ElectricalResistanceUnit) unit);
else if (unit instanceof EnergyUnit)
return (S) new FloatEnergy(value, (EnergyUnit) unit);
else if (unit instanceof FlowMassUnit)
return (S) new FloatFlowMass(value, (FlowMassUnit) unit);
else if (unit instanceof FlowVolumeUnit)
return (S) new FloatFlowVolume(value, (FlowVolumeUnit) unit);
else if (unit instanceof ForceUnit)
return (S) new FloatForce(value, (ForceUnit) unit);
else if (unit instanceof FrequencyUnit)
return (S) new FloatFrequency(value, (FrequencyUnit) unit);
else if (unit instanceof LengthUnit)
return (S) new FloatLength(value, (LengthUnit) unit);
else if (unit instanceof PositionUnit)
return (S) new FloatPosition(value, (PositionUnit) unit);
else if (unit instanceof LinearDensityUnit)
return (S) new FloatLinearDensity(value, (LinearDensityUnit) unit);
else if (unit instanceof MassUnit)
return (S) new FloatMass(value, (MassUnit) unit);
else if (unit instanceof PowerUnit)
return (S) new FloatPower(value, (PowerUnit) unit);
else if (unit instanceof PressureUnit)
return (S) new FloatPressure(value, (PressureUnit) unit);
else if (unit instanceof SpeedUnit)
return (S) new FloatSpeed(value, (SpeedUnit) unit);
else if (unit instanceof TemperatureUnit)
return (S) new FloatTemperature(value, (TemperatureUnit) unit);
else if (unit instanceof AbsoluteTemperatureUnit)
return (S) new FloatAbsoluteTemperature(value, (AbsoluteTemperatureUnit) unit);
else if (unit instanceof DurationUnit)
return (S) new FloatDuration(value, (DurationUnit) unit);
else if (unit instanceof TimeUnit)
return (S) new FloatTime(value, (TimeUnit) unit);
else if (unit instanceof TorqueUnit)
return (S) new FloatTorque(value, (TorqueUnit) unit);
else if (unit instanceof VolumeUnit)
return (S) new FloatVolume(value, (VolumeUnit) unit);
else if (unit instanceof MoneyUnit)
return (S) new FloatMoney(value, (MoneyUnit) unit);
else if (unit instanceof MoneyPerAreaUnit)
return (S) new FloatMoneyPerArea(value, (MoneyPerAreaUnit) unit);
else if (unit instanceof MoneyPerEnergyUnit)
return (S) new FloatMoneyPerEnergy(value, (MoneyPerEnergyUnit) unit);
else if (unit instanceof MoneyPerLengthUnit)
return (S) new FloatMoneyPerLength(value, (MoneyPerLengthUnit) unit);
else if (unit instanceof MoneyPerMassUnit)
return (S) new FloatMoneyPerMass(value, (MoneyPerMassUnit) unit);
else if (unit instanceof MoneyPerDurationUnit)
return (S) new FloatMoneyPerDuration(value, (MoneyPerDurationUnit) unit);
else if (unit instanceof MoneyPerVolumeUnit)
return (S) new FloatMoneyPerVolume(value, (MoneyPerVolumeUnit) unit);
else
throw new RuntimeException(new UnitException("Cannot instantiate AbstractScalar of unit " + unit.toString()));
}
/**
* Instantiate the DoubleScalar based on its unit.
* @param si float; the value in SI units
* @param displayUnit U; the unit in which the value is expressed
* @return an instantiated DoubleScalar with the value expressed in the unit
* @param <U> the unit
* @param <S> the return type
*/
public static <U extends Unit<U>, S extends AbstractFloatScalar<U, S>> S instantiateSI(final float si, final U displayUnit)
{
return instantiateAnonymousSI(si, displayUnit);
}
/**
* Instantiate the DoubleScalar based on its unit. Loose check for types on the compiler. This allows the unit to be
* specified as a Unit<?> type.<br>
* <b>Note</b> that it is possible to make mistakes with anonymous units. The following <u>does</u> compile:
*
* <pre>
* MoneyPerLengthUnit mlu = new MoneyPerLengthUnit(MoneyUnit.USD, LengthUnit.METER, "$/m", "$/m");
*
* MoneyPerArea mpa = DoubleScalarUtil.instantiateAnonymousSI(10.0, mlu);
* </pre>
*
* @param si float; the value in SI units
* @param displayUnit Unit<?>; the unit in which the value is expressed
* @return an instantiated DoubleScalar with the value expressed in the unit
* @param <S> the return type
*/
@SuppressWarnings({"unchecked", "checkstyle:needbraces", "cast", "rawtypes"})
public static <S extends AbstractFloatScalar<?, S>> S instantiateAnonymousSI(final float si, final Unit<?> displayUnit)
{
S value;
if (displayUnit instanceof MoneyPerAreaUnit)
value = (S) new FloatMoneyPerArea(si / ((MoneyPerAreaUnit) displayUnit).getScaleFactor(),
(MoneyPerAreaUnit) displayUnit);
else if (displayUnit instanceof MoneyPerEnergyUnit)
value = (S) new FloatMoneyPerEnergy(si / ((MoneyPerEnergyUnit) displayUnit).getScaleFactor(),
(MoneyPerEnergyUnit) displayUnit);
else if (displayUnit instanceof MoneyPerLengthUnit)
value = (S) new FloatMoneyPerLength(si / ((MoneyPerLengthUnit) displayUnit).getScaleFactor(),
(MoneyPerLengthUnit) displayUnit);
else if (displayUnit instanceof MoneyPerMassUnit)
value = (S) new FloatMoneyPerMass(si / ((MoneyPerMassUnit) displayUnit).getScaleFactor(),
(MoneyPerMassUnit) displayUnit);
else if (displayUnit instanceof MoneyPerDurationUnit)
value = (S) new FloatMoneyPerDuration(si / ((MoneyPerDurationUnit) displayUnit).getScaleFactor(),
(MoneyPerDurationUnit) displayUnit);
else if (displayUnit instanceof MoneyPerVolumeUnit)
value = (S) new FloatMoneyPerVolume(si / ((MoneyPerVolumeUnit) displayUnit).getScaleFactor(),
(MoneyPerVolumeUnit) displayUnit);
else
value = (S) instantiateAnonymous(si, displayUnit.getStandardUnit());
((AbstractFloatScalar) value).setDisplayUnit((Unit) displayUnit);
return value;
}
}