static void Main()
{
// Zufallszahlengenerator erstelltn
RandomNumberGenerator numberGenerator = new RandomNumberGenerator(250);
// Beobachter erstellen
BaseObserver baseObserver = new BaseObserver(numberGenerator, 10);
StatisticsObserver statisticsObserver = new StatisticsObserver(numberGenerator, 20);
RangeObserver rangeObserver = new RangeObserver(numberGenerator, 5, 200, 300);
QuickTippObserver quickTippObserver = new QuickTippObserver(numberGenerator);
// Nummerngenerierung starten
numberGenerator.StartNumberGeneration();
// Resultat ausgeben
Console.WriteLine("\n--------------------RESULT-----------------------");
Console.ForegroundColor = ConsoleColor.DarkGreen;
Console.WriteLine(statisticsObserver.ToString());
Console.WriteLine(rangeObserver.ToString());
Console.WriteLine(quickTippObserver.ToString());
Console.ForegroundColor = ConsoleColor.White;
Console.WriteLine("-------------------------------------------------\n");
Console.Write("Bitte drücken Sie Enter ...");
Console.ReadLine();
}
private void ObserverForm_Load(object sender, System.EventArgs e)
{
_subject = new Subject();
_subject.SetElementColor(Color.Red);
graphics = panel2.CreateGraphics();
int x = 100;
Assembly assembly = Assembly.GetExecutingAssembly();
var types = assembly.GetTypes().Where(t => t.BaseType != null && t.BaseType.Equals(typeof(BaseObserver)) && !t.IsAbstract);
int y = 20;
foreach (var type in types)
{
var descrAttr = Attribute.GetCustomAttributes(type, typeof(DescriptionAttribute)).FirstOrDefault();
string text = (descrAttr as DescriptionAttribute).Description;
CheckBox btn = new CheckBox();
btn.Text = text;
btn.Location = new Point(20, y);
btn.Size = new Size(100, 20);
var location = new Point(x, panel2.Height / 2);
var rect = new Rectangle(location, new Size(sideLength, sideLength));
BaseObserver graphicElement = Activator.CreateInstance(type, graphics, rect, _subject) as BaseObserver;
btn.Tag = graphicElement;
btn.CheckedChanged -= btn_CheckedChanged;
btn.CheckedChanged += btn_CheckedChanged;
groupBox1.Controls.Add(btn);
y += 20;
x += 100;
}
}
public void NumberGenerator_ExplicitCallOfAttachASecondTime_ShouldThrowInvalidOperationException()
{
//Arrange
RandomNumberGenerator numberGenerator = new RandomNumberGenerator();
BaseObserver baseObserver = new BaseObserver(numberGenerator, 5);
//Act
numberGenerator.NextNumberHandlerChanged += baseObserver.OnNextNumber;
//Assert
Assert.Fail("InvalidOperationException was expected!");
}
public void NumberGenerator_DetachCalledTwiceWithIdenticalObserver_ShouldThrowInvalidOperationException()
{
//Arrange
RandomNumberGenerator numberGenerator = new RandomNumberGenerator();
BaseObserver baseObserver = new BaseObserver(numberGenerator, 5);
//Act
numberGenerator.NextNumberHandlerChanged -= baseObserver.OnNextNumber;
numberGenerator.NextNumberHandlerChanged -= baseObserver.OnNextNumber;
//Assert
Assert.Fail("NullReferenceException was expected!");
}
public void NumberGenerator_DetachCalledTwiceWithIdenticalObserver_ShouldThrowInvalidOperationException()
{
//Arrange
RandomNumberGenerator numberGenerator = new RandomNumberGenerator();
BaseObserver baseObserver = new BaseObserver(numberGenerator, 5);
//Act
numberGenerator.Detach(baseObserver);
numberGenerator.Detach(baseObserver);
//Assert
Assert.Fail("InvalidOperationException was expected!");
}
//管理するオブジェクトの追加
public void AddObserver(BaseObserver oo)
{
if (oo == null)
{
return;
}
if (baseObserver.Contains(oo))
{
return;
}
baseObserver.Add(oo);
oo.Enter(gameObject);
}
//管理するオブジェクトの削除
public void RemoveObserver(BaseObserver oo)
{
if (oo == null)
{
return;
}
if (!baseObserver.Contains(oo))
{
return;
}
baseObserver.Remove(oo);
oo.Exit(gameObject);
}
static void Main()
{
// Zufallszahlengenerator erstelltn
RandomNumberGenerator numberGenerator = new RandomNumberGenerator(250);
// Beobachter erstellen
BaseObserver baseObserver = new BaseObserver(numberGenerator, 10);
StatisticsObserver statisticsObserver = new StatisticsObserver(numberGenerator, 20);
RangeObserver rangeObserver = new RangeObserver(numberGenerator, 5, 200, 300);
QuickTippObserver quickTippObserver = new QuickTippObserver(numberGenerator);
// Nummerngenerierung starten
// Resultat ausgeben
throw new NotImplementedException();
}
void btn_CheckedChanged(object sender, EventArgs e)
{
CheckBox box = sender as CheckBox;
BaseObserver graphicElement = box.Tag as BaseObserver;
if (box.Checked)
{
_subject.RegistrerObserver(graphicElement);
}
else
{
_subject.UnRegistrerObserver(graphicElement);
}
Draw();
}
public void NumberGenerator_CallDetach_ShouldWork()
{
//Arrange
RandomNumberGenerator numberGenerator = new RandomNumberGenerator();
BaseObserver baseObserver = new BaseObserver(numberGenerator, 5);
//Act
try
{
numberGenerator.NextNumberHandlerChanged -= baseObserver.OnNextNumber;
}
catch (Exception ex)
{
//Assert
Assert.Fail("Expected no exception, but got: " + ex.Message);
}
}
static void Main()
{
// Zufallszahlengenerator erstelltn
RandomNumberGenerator numberGenerator = new RandomNumberGenerator(250);
// Beobachter erstellen
BaseObserver baseObserver = new BaseObserver(numberGenerator, 10);
StatisticsObserver statisticsObserver = new StatisticsObserver(numberGenerator, 20);
RangeObserver rangeObserver = new RangeObserver(numberGenerator, 5, 200, 300);
QuickTippObserver quickTippObserver = new QuickTippObserver(numberGenerator);
// Nummerngenerierung starten
// Resultat ausgeben
numberGenerator.StartNumberGeneration();
Console.WriteLine(statisticsObserver.ToString());
}
static void Main()
{
// Zufallszahlengenerator erstelltn
RandomNumberGenerator numberGenerator = new RandomNumberGenerator(250);
// Beobachter erstellen
BaseObserver baseObserver = new BaseObserver(numberGenerator, 10);
StatisticsObserver statisticsObserver = new StatisticsObserver(numberGenerator, 20);
RangeObserver rangeObserver = new RangeObserver(numberGenerator, 5, 200, 300);
QuickTippObserver quickTippObserver = new QuickTippObserver(numberGenerator);
Console.WriteLine("----------Result------------");
Console.WriteLine($"{statisticsObserver.GetType().Name}: Received {statisticsObserver.CountOfNumbersReceived} numbers => Min='{statisticsObserver.Min}', Max='{statisticsObserver.Max}', Sum='{statisticsObserver.Sum}', Avg='{statisticsObserver.Avg}'.");
Console.WriteLine($"{rangeObserver.GetType().Name}: Received {rangeObserver.CountOfNumbersReceived} numbers => There were '{rangeObserver.NumbersInRange}' numbers between '{rangeObserver.LowerRange}' and '{rangeObserver.UpperRange}'.");
Console.WriteLine($"{quickTippObserver.GetType().Name}: Received {quickTippObserver.CountOfNumbersReceived} numbers => Quick-Tipp is {quickTippObserver.ToString()}.");
Console.WriteLine("Drücken Sie eine beliebige Taste . . .");
Console.ReadKey();;
}
static void Main()
{
// Zufallszahlengenerator erstelltn
RandomNumberGenerator numberGenerator = new RandomNumberGenerator(250);
// Beobachter erstellen
BaseObserver baseObserver = new BaseObserver(numberGenerator, 10);
StatisticsObserver statisticsObserver = new StatisticsObserver(numberGenerator, 20);
RangeObserver rangeObserver = new RangeObserver(numberGenerator, 5, 200, 300);
QuickTippObserver quickTippObserver = new QuickTippObserver(numberGenerator);
// Nummerngenerierung starten
numberGenerator.StartNumberGeneration();
// Resultat ausgeben
Console.WriteLine("\n\n------------------------------------------- RESULT ---------------------------------------------\n");
Console.WriteLine(statisticsObserver.PrintResult());
Console.WriteLine(rangeObserver.PrintResult());
Console.WriteLine(quickTippObserver.PrintResult());
Console.WriteLine("\n--------------------------------------------------------------------------------------------------");
Console.WriteLine("Drücken Sie eine beliebige Taste...");
Console.ReadKey();
//Console.WriteLine($" >> {statisticsObserver.GetType().Name+":",-20} Received {statisticsObserver.CountOfNumbersReceived:D5} numbers ===> Min='{statisticsObserver.Min}', Max='{statisticsObserver.Max}', Sum='{statisticsObserver.Sum}', Avg='{statisticsObserver.Avg}'.");
//Console.WriteLine($" >> {rangeObserver.GetType().Name+":",-20} Received {rangeObserver.CountOfNumbersReceived:D5} numbers ===> There were '{rangeObserver.NumbersInRange}' numbers between '{rangeObserver.LowerRange}' and '{rangeObserver.UpperRange}'");
//Console.WriteLine($" >> {quickTippObserver.GetType().Name+":",-20} Received {quickTippObserver.CountOfNumbersReceived:D5} numbers ===> Quick-Tip is {quickTippObserver.QuickTippNumbers[0]}, {quickTippObserver.QuickTippNumbers[1]}, {quickTippObserver.QuickTippNumbers[2]}, {quickTippObserver.QuickTippNumbers[3]}, {quickTippObserver.QuickTippNumbers[4]}, {quickTippObserver.QuickTippNumbers[5]}.");
//Console.ReadKey();
// Resultat ausgeben
}
static void Main()
{
// Zufallszahlengenerator erstelltn
RandomNumberGenerator numberGenerator = new RandomNumberGenerator(250);
// Beobachter erstellen
BaseObserver baseObserver = new BaseObserver(numberGenerator, 10);
StatisticsObserver statisticsObserver = new StatisticsObserver(numberGenerator, 20);
RangeObserver rangeObserver = new RangeObserver(numberGenerator, 5, 200, 300);
QuickTippObserver quickTippObserver = new QuickTippObserver(numberGenerator);
// Nummerngenerierung starten
numberGenerator.StartNumberGeneration();
// Resultat ausgeben
Console.WriteLine("------------------------------------------------------ RESULT --------------------------------------------------------\n");
Console.WriteLine($"{statisticsObserver.GetType().Name}: Received {statisticsObserver.CountOfNumbersReceived} numbers => Min='{statisticsObserver.Min}', Max='{statisticsObserver.Max}', Sum='{statisticsObserver.Sum}', Avg='{statisticsObserver.Avg}'.");
Console.WriteLine($"{rangeObserver.GetType().Name}: Received {rangeObserver.CountOfNumbersReceived} numbers => There were '{rangeObserver.NumbersInRange}' numbers between '{rangeObserver.LowerRange}' and '{rangeObserver.UpperRange}'.");
Console.WriteLine($"{quickTippObserver.GetType().Name}: Received {quickTippObserver.CountOfNumbersReceived} numbers => Quick-Tipp is {quickTippObserver.ConvertTippToString()}.");
Console.WriteLine("------------------------------------------------------------------------------------------------------------------------\n");
Console.WriteLine("Press any key...");
Console.ReadKey();
}
static void Main()
{
// Zufallszahlengenerator erstelltn
RandomNumberGenerator numberGenerator = new RandomNumberGenerator(250);
// Beobachter erstellen
BaseObserver baseObserver = new BaseObserver(numberGenerator, 10);
StatisticsObserver statisticsObserver = new StatisticsObserver(numberGenerator, 20);
RangeObserver rangeObserver = new RangeObserver(numberGenerator, 5, 200, 300);
QuickTippObserver quickTippObserver = new QuickTippObserver(numberGenerator);
// Nummerngenerierung starten
numberGenerator.StartNumberGeneration();
int[] tipps = quickTippObserver.QuickTippNumbers.OrderBy(_ => _).ToArray();
// Resultat ausgeben
Console.WriteLine("--------------------------------------- Result -----------------------------------------------");
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine($"{nameof(StatisticsObserver)}: Recevied {statisticsObserver.CountOfNumbersReceived:D5} numbers ===> {nameof(statisticsObserver.Min)}: '{statisticsObserver.Min}', {nameof(statisticsObserver.Max)}: '{statisticsObserver.Max}', {nameof(statisticsObserver.Sum)}: '{statisticsObserver.Sum}', {nameof(statisticsObserver.Avg)}: '{statisticsObserver.Avg}'");
Console.WriteLine($"{nameof(RangeObserver)}: Recevied {rangeObserver.CountOfNumbersReceived:D5} numbers ===> There were '{rangeObserver.NumbersInRange}' numbers between '{rangeObserver.LowerRange}' and '{rangeObserver.UpperRange}'.");
Console.WriteLine($"{nameof(QuickTippObserver)}: Recevied {quickTippObserver.CountOfNumbersReceived:D5} numbers ===> Quick-Tipp is {tipps[0]} {tipps[1]} {tipps[2]} {tipps[3]} {tipps[4]} {tipps[5]}.");
Console.ResetColor();
}
static void Main()
{
// Zufallszahlengenerator erstelltn
RandomNumberGenerator numberGenerator = new RandomNumberGenerator(250);
// Beobachter erstellen
BaseObserver baseObserver = new BaseObserver(numberGenerator, 10);
StatisticsObserver statisticsObserver = new StatisticsObserver(numberGenerator, 20);
RangeObserver rangeObserver = new RangeObserver(numberGenerator, 5, 200, 300);
QuickTippObserver quickTippObserver = new QuickTippObserver(numberGenerator);
numberGenerator.StartNumberGeneration();
// Nummerngenerierung starten
// Resultat ausgeben
Console.WriteLine("----------Result------------");
Console.WriteLine(statisticsObserver.GetInfo());
Console.WriteLine(rangeObserver.GetInfo());
Console.WriteLine(quickTippObserver.GetInfo());
Console.WriteLine("----------------------------");
Console.WriteLine("Drücken Sie eine beliebige Taste . . .");
Console.ReadKey();
}
static void Main()
{
// Zufallszahlengenerator erstelltn
RandomNumberGenerator numberGenerator = new RandomNumberGenerator(250);
// Beobachter erstellen
BaseObserver baseObserver = new BaseObserver(numberGenerator, 10);
StatisticsObserver statisticsObserver = new StatisticsObserver(numberGenerator, 20);
RangeObserver rangeObserver = new RangeObserver(numberGenerator, 5, 200, 300);
QuickTippObserver quickTippObserver = new QuickTippObserver(numberGenerator);
// Nummerngenerierung starten
numberGenerator.StartNumberGeneration();
// Resultat ausgeben
Console.WriteLine("\n-------------------------------Result-------------------------------");
Console.WriteLine($" >> {statisticsObserver.GetType().Name}: Recieved {statisticsObserver.CountOfNumbersReceived} numbers " +
$"==> Min = '{statisticsObserver.Min}', Max = '{statisticsObserver.Max}', Sum = '{statisticsObserver.Sum}' Avg = '{statisticsObserver.Avg}'.");
Console.WriteLine(rangeObserver.ToString());
Console.WriteLine(quickTippObserver.ToString());
Console.WriteLine("--------------------------------------------------------------------");
Console.ReadKey();
}
public void RegistrerObserver(BaseObserver observer)
{
observerList.Add(observer);
}
public void Detached(BaseObserver baseObserver)
{
_observers.Remove(baseObserver);
}
private void button1_Click(object sender, EventArgs e)
{
bool errorCheck = Validation();
if (errorCheck)
{
return;
}
else
{
string classname = comboBox1.Items[comboBox1.SelectedIndex].ToString();
string name = textBox1.Text;
string author = textBox2.Text;
string publisher = textBox3.Text;
DateTime publishDate = monthCalendar1.SelectionStart;
int stock = 0;
if (textBox5.Enabled)
{
stock = Int16.Parse(textBox5.Text);
}
string type = "";
if (textBox6.Enabled)
{
type = textBox6.Text;
}
bool isDigital = false;
switch (classname)
{
case "Book":
BookObject newBook = new BookObject(name, author, publisher, publishDate, stock);
returnItem = new BookObserver(newBook);
break;
case "E-Book":
EBookObject newEBook = new EBookObject(name, author, publisher, publishDate);
returnItem = new EBookObserver(newEBook);
break;
case "Video (Physical)":
case "Video (Digital)":
if (classname.Contains("Digital"))
{
isDigital = true;
}
VideoObject newVideo = new VideoObject(name, type, author, publishDate, publisher, isDigital, stock);
returnItem = new VideoObserver(newVideo);
break;
case "Audio (Physical)":
case "Audio (Digital)":
if (classname.Contains("Digital"))
{
isDigital = true;
}
AudioObject newAudio = new AudioObject(name, type, author, publishDate, publisher, isDigital, stock);
returnItem = new AudioObserver(newAudio);
break;
default:
break;
}
this.DialogResult = DialogResult.OK;
this.Close();
return;
}
}
public void addMaterial(BaseObserver newMaterial)
{
materialList.Add(newMaterial);
}
public void Dettached(BaseObserver observer) => observers.Remove(observer);
public void Attached(BaseObserver observer) => observers.Add(observer);
public void UnRegistrerObserver(BaseObserver observer)
{
observerList.Remove(observer);
}
public void Attached(BaseObserver baseObserver)
{
_observers.Add(baseObserver);
}
// Remove a certain observer
public void Detach(BaseObserver observer)
{
observers.Remove(observer);
}
// Add a new observer
public void Attach(BaseObserver observer)
{
observers.Add(observer);
}
