extended appliance class

extendedappliance.java

public abstract class ExtendedAppliance implements Appliance {

	protected Double  demand;
	protected String  name;
	protected Integer id;
	protected boolean turnedOn = false;
	
	public Double demandUsedFor(Long seconds) {
		if (turnedOn)
			return (demand * (seconds / (3600)));
		else
			return 0.0;
	}
	
	public void turnOff() {
		turnedOn = false;
	}

	public void turnOn() {
		turnedOn = true;
	}
	
	public boolean isTurnedOn() {
		return turnedOn;
	}
	
	public Double getDemand() {
		return demand;
	}

	public String getName() {
		return name;
	}

	public Integer getId() {
		return id;
	}
}