tec.units.ri.quantity.QuantityRange Maven / Gradle / Ivy
Show all versions of unit-ri Show documentation
/*
* Units of Measurement Reference Implementation
* Copyright (c) 2005-2016, Jean-Marie Dautelle, Werner Keil, V2COM.
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions
* and the following disclaimer in the documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of JSR-363 nor the names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package tec.units.ri.quantity;
import javax.measure.Quantity;
import tec.units.ri.spi.Range;
/**
* A Quantity Range is a pair of {@link Quantity} items that represent a range of values.
*
* Range limits MUST be presented in the same scale and have the same unit as measured data values.
* Subclasses of Range should be immutable.
*
* @param
* The value of the range.
*
* @author Werner Keil
* @version 0.2, December 17, 2014
* @see SensorML: QuantityRange
*/
public class QuantityRange> extends Range> {
private Quantity res;
protected QuantityRange(Quantity min, Quantity max, Quantity resolution) {
super(min, max);
this.res = resolution;
}
protected QuantityRange(Quantity min, Quantity max) {
super(min, max);
}
/**
* Returns an {@code QuantityRange} with the specified values.
*
* @param minimum
* The minimum value for the measurement range.
* @param maximum
* The maximum value for the measurement range.
* @param resolution
* The resolution of the measurement range.
* @return an {@code MeasurementRange} with the given values
*/
@SuppressWarnings({ "rawtypes", "unchecked" })
public static QuantityRange of(Quantity minimum, Quantity maximum, Quantity resolution) {
return new QuantityRange(minimum, maximum, resolution);
}
/**
* Returns the resolution of the measurement range. The value is the same as that given as the constructor parameter for the largest value.
*
* @return resolution of the range, the value is the same as that given as the constructor parameter for the resolution
*/
public Quantity getResolution() {
return res;
}
/*
* (non-Javadoc)
*
* @see tec.units.ri.util.Range#contains()
*/
@Override
public boolean contains(Quantity q) {
if (q != null && q.getValue() != null) {
// TODO use hasMinimum() and hasMaximum() to avoid null of the
// range, too
if (q.getValue().doubleValue() >= getMinimum().getValue().doubleValue() && q.getValue().doubleValue() <= getMaximum().getValue().doubleValue()) {
return true;
}
}
return false;
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#equals()
*/
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj instanceof QuantityRange) {
@SuppressWarnings("unchecked")
final QuantityRange other = (QuantityRange) obj;
return getMinimum() == other.getMinimum() || (getMinimum() != null && getMinimum().equals(other.getMinimum()))
&& getMaximum() == other.getMaximum() || (getMaximum() != null && getMaximum().equals(other.getMaximum()))
&& getResolution() == other.getResolution() || (getResolution() != null && getResolution().equals(other.getResolution()));
}
return false;
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#toString()
*/
@Override
public String toString() {
final StringBuilder sb = new StringBuilder().append("min= ").append(getMinimum()).append(", max= ").append(getMaximum());
if (res != null) {
sb.append(", res= ").append(getResolution());
}
return sb.toString();
}
}