// 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;

}

}