UnitNumber.java

 /*
  * RHQ Management Platform
  * Copyright (C) 2005-2008 Red Hat, Inc.
  * All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License, version 2, as
  * published by the Free Software Foundation, and/or the GNU Lesser
  * General Public License, version 2.1, also as published by the Free
  * Software Foundation.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  * GNU General Public License and the GNU Lesser General Public License
  * for more details.
  *
  * You should have received a copy of the GNU General Public License
  * and the GNU Lesser General Public License along with this program;
  * if not, write to the Free Software Foundation, Inc.,
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
package org.rhq.core.clientapi.util.units;

import java.math.BigDecimal;

public class UnitNumber {
    private double value;
    private UnitsConstants units;
    private ScaleConstants scale;

    public UnitNumber(double value, UnitsConstants units) {
        this(value, units, ScaleConstants.SCALE_NONE);
    }

    public UnitNumber(double value, UnitsConstants units, ScaleConstants scale) {
        this.value = value;
        this.units = units;
        this.scale = scale;

        UnitsUtil.checkValidScaleForUnits(units, scale);
    }

    public double getValue() {
        return this.value;
    }

    public UnitsConstants getUnits() {
        return this.units;
    }

    public ScaleConstants getScale() {
        return this.scale;
    }

    public BigDecimal getBaseValue() {
        return UnitsFormat.getBaseValue(this.value, this.units, this.scale);
    }

    public BigDecimal getScaledValue(ScaleConstants targScale) {
        return UnitsFormat.getScaledValue(this.getBaseValue(), this.units, targScale);
    }

    public String toString() {
        return Double.toString(value);
    }
}