Datasets:
ArXiv:
License:
File size: 1,091 Bytes
c574d3a |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 |
package weatherstationex;
import java.util.ArrayList;
/**
* Created by Administrator on 2017/6/14.
*/
public class WeatherData implements Subject
{
private ArrayList<Observer> observers;
private float temperature;
private float humidity;
private float pressure;
public WeatherData()
{
observers = new ArrayList<Observer>();
}
@Override
public void registerObserver(Observer observer)
{
observers.add(observer);
}
@Override
public void removeObserver(Observer observer)
{
observers.remove(observer);
}
@Override
public void notifyObservers()
{
for (Observer observer : observers)
{
observer.update(temperature,humidity,pressure);
}
}
public void measurementsChanged()
{
notifyObservers();
}
public void setMeassuremenst(float temperature,float humidity,float pressure)
{
this.temperature = temperature;
this.humidity = humidity;
this.pressure = pressure;
measurementsChanged();
}
}
|