001/*
002 * JScience - Java(TM) Tools and Libraries for the Advancement of Sciences.
003 * Copyright (C) 2006 - JScience (http://jscience.org/)
004 * All rights reserved.
005 * 
006 * Permission to use, copy, modify, and distribute this software is
007 * freely granted, provided that this notice is preserved.
008 */
009package javax.measure.quantity;
010
011import javax.measure.unit.ProductUnit;
012import javax.measure.unit.SI;
013import javax.measure.unit.Unit;
014
015/**
016 * This interface represents a mass per unit volume of a substance under
017 * specified conditions of pressure and temperature. The system unit for
018 * this quantity is "kg/m³" (kilogram per cubic meter).
019 * 
020 * @author  <a href="mailto:jean-marie@dautelle.com">Jean-Marie Dautelle</a>
021 * @version 1.0, January 14, 2006
022 */
023public interface VolumetricDensity extends Quantity {
024
025    /**
026     * Holds the SI unit (Système International d'Unités) for this quantity.
027     */
028    public final static Unit<VolumetricDensity> UNIT = new ProductUnit<VolumetricDensity>(
029            SI.KILOGRAM.divide(SI.METRE.pow(3)));
030}