// references/OceanReading.java
// (c)2017 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.
// Cloning a composed object
package references;

public class OceanReading implements Cloneable {
 private DepthReading depth;
 private TemperatureReading temperature;
 public
 OceanReading(double tdata, double ddata) {
 temperature = new TemperatureReading(tdata);
 depth = new DepthReading(ddata);
 }
 @Override
 public OceanReading clone() {
 OceanReading or = null;
 try {
 or = (OceanReading)super.clone();
 } catch(CloneNotSupportedException e) {
 throw new RuntimeException(e);
 }
 // Must clone references:
 or.depth = (DepthReading)or.depth.clone();
 or.temperature =
 (TemperatureReading)or.temperature.clone();
 return or;
 }
 public TemperatureReading getTemperatureReading() {
 return temperature;
 }
 public void
 setTemperatureReading(TemperatureReading tr) {
 temperature = tr;
 }
 public DepthReading getDepthReading() {
 return depth;
 }
 public void setDepthReading(DepthReading dr) {
 this.depth = dr;
 }
 @Override
 public String toString() {
 return "temperature: " + temperature +
 ", depth: " + depth;
 }
}