private void btnVisitor1_Click(object sender, EventArgs e)
{
txtResult.Text = "VISITOR Pattern #1" + Environment.NewLine;
txtResult.Text += "Some of the result is written to Output window" + Environment.NewLine;
Element objectStructure =
new Element(
new Element(
new ElementWithLink(
new Element(
new Element(
new ElementWithLink(
new Element(null),
new Element(
null)))),
new Element(
new Element(
new Element(null))))));
txtResult.Text += "Count the elements:" + Environment.NewLine;
CountVisitor visitor = new CountVisitor();
visitor.CountElements(objectStructure);
txtResult.Text += "Number of Elements are: " + visitor.Count + Environment.NewLine;
}
public void CountNumberOfElementsInObjectStructure()
{
var sut = new CountVisitor();
var objectStructure =
new Element(
new Element(
new ElementWithLink(
new Element(new Element(new ElementWithLink(new Element(null), new Element(null)))),
new Element(new Element(new Element(null))))));
sut.CountElements(objectStructure);
Assert.That(sut.Count, Is.EqualTo(9), "elements");
}
public static void Run()
{
// Set up the object structure
Element objectStructure = new Element(new Element(new ElementWithLink(new Element(new Element(
new ElementWithLink(new Element(null), new Element(null)))), new Element(new Element(new Element(null))))));
Console.WriteLine("Count the Elements");
CountVisitor visitor = new CountVisitor();
visitor.CountElements(objectStructure);
Console.WriteLine("Number of Elements is: " + visitor.Count);
Console.WriteLine();
Console.WriteLine("******************************************");
Console.WriteLine();
}
static void Demo()
{
// Set up the object structure
Element objectStructure =
new Element(
new Element(
new ElementWithLink(
new Element(
new Element(
new ElementWithLink(
new Element(null),
new Element(
null)))),
new Element(
new Element(
new Element(null))))));
Console.WriteLine("Count the Elements");
CountVisitor visitor = new CountVisitor();
visitor.CountElements(objectStructure);
Console.WriteLine("Number of Elements is: " + visitor.Count);
}
