/// <summary>Initializes a new instance of the <see cref="WeatherStationEventArgs"/> class.</summary>
/// <param name="currentData">The current data.</param>
/// <param name="previousData">The previous data.</param>
/// <exception cref="ArgumentNullException">Thrown when currentData or previousData is null.</exception>
public WeatherStationEventArgs(WeatherData currentData, WeatherData previousData)
{
this.CurrentData = currentData ?? throw new ArgumentNullException(nameof(currentData));
this.PreviousData = previousData ?? throw new ArgumentNullException(nameof(previousData));
}
/// <summary>Initializes a new instance of the <see cref="WeatherStation"/> class.</summary>
public WeatherStation()
{
this.observers = new List <IObserver>();
this.currentData = new WeatherData();
this.previousData = new WeatherData();
}