DurationUnit.java
package org.djunits.unit;
import org.djunits.quantity.Quantity;
import org.djunits.unit.scale.IdentityScale;
import org.djunits.unit.si.SIPrefixes;
import org.djunits.unit.unitsystem.UnitSystem;
/**
* Standard duration units.
* <p>
* Copyright (c) 2015-2024 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
* BSD-style license. See <a href="https://djunits.org/docs/license.html">DJUNITS License</a>
* </p>
* @author <a href="https://www.tudelft.nl/averbraeck">Alexander Verbraeck</a>
*/
public class DurationUnit extends Unit<DurationUnit>
{
/** */
private static final long serialVersionUID = 20140607L;
/** The base, with "s" as the SI signature. */
public static final Quantity<DurationUnit> BASE = new Quantity<>("Duration", "s");
/** The SI unit for duration is second. */
public static final DurationUnit SI = new DurationUnit().build(
new Unit.Builder<DurationUnit>().setQuantity(BASE).setId("s").setName("second").setUnitSystem(UnitSystem.SI_BASE)
.setSiPrefixes(SIPrefixes.UNIT, 1.0).setScale(IdentityScale.SCALE).setAdditionalAbbreviations("sec"));
/** second. */
public static final DurationUnit SECOND = SI;
/** microsecond. */
public static final DurationUnit MICROSECOND =
SI.deriveLinear(1.0E-6, "mus", "microsecond", UnitSystem.SI_DERIVED, "\u03BCs", "mus", "\u03BCsec", "musec");
/** millisecond. */
public static final DurationUnit MILLISECOND =
SI.deriveLinear(1.0E-3, "ms", "millisecond", UnitSystem.SI_DERIVED, "ms", "ms", "msec");
/** minute. */
public static final DurationUnit MINUTE = SI.deriveLinear(60.0, "min", "minute", UnitSystem.SI_ACCEPTED, "min", "min");
/** hour. */
public static final DurationUnit HOUR =
MINUTE.deriveLinear(60.0, "h", "hour", UnitSystem.SI_ACCEPTED, "h", "h", new String[] {"hr", "hour"});
/** day. */
public static final DurationUnit DAY = HOUR.deriveLinear(24.0, "day", "day", UnitSystem.SI_ACCEPTED, "day", "day");
/** week. */
public static final DurationUnit WEEK =
DAY.deriveLinear(7.0, "wk", "week", UnitSystem.OTHER, "wk", "wk", new String[] {"week"});
}