static void Main(string[] args)
{
Console.WriteLine("Composite Pattern");
#region Mathematics department
//2 lecturers work in Mathematics department
Employee mathTeacher1 = new Employee()
{
Name = "M. Joy",
Dept = "Mathematic",
Designation = "Lecturer"
};
Employee mathTeacher2 = new Employee()
{
Name = "M. Roony",
Dept = "Mathematic",
Designation = "Lecturer"
};
//the college has a Head of Department in Mathematics
CompositeEmployee hodMathematic = new CompositeEmployee()
{
Name = "Mrs. S.Das",
Dept = "Maths",
Designation = "HOD-Maths"
};
//lecturers of mathematics directly reports to HOD-Maths
hodMathematic.AddEmployee(mathTeacher1);
hodMathematic.AddEmployee(mathTeacher2);
#endregion
#region Computer Science departments
//3 lecturers work in Computer Science department
Employee csTeacher1 = new Employee()
{
Name = "C. Sam",
Dept = "Computer Science",
Designation = "Lecturer"
};
Employee csTeacher2 = new Employee()
{
Name = "C. Jones",
Dept = "Computer Science",
Designation = "Lecturer"
};
Employee csTeacher3 = new Employee()
{
Name = "C. Marium",
Dept = "Computer Science",
Designation = "Lecturer"
};
//the college has a Head of Department in Computer Science
CompositeEmployee hodComputerScience = new CompositeEmployee()
{
Name = "Mr. V.Sarcar",
Dept = "Computer Science",
Designation = "HOD-CS"
};
//lecturers of Computer Science directly report to HOD-CS
hodComputerScience.AddEmployee(csTeacher1);
hodComputerScience.AddEmployee(csTeacher2);
hodComputerScience.AddEmployee(csTeacher3);
#endregion
#region Top level management
//the collage also has a Principal
CompositeEmployee principal = new CompositeEmployee()
{
Name = "Dr. S.Som",
Dept = "Planning-Supervising-Managing",
Designation = "Principal"
};
//hods of Maths and CS directly report to Principal
principal.AddEmployee(hodMathematic);
principal.AddEmployee(hodComputerScience);
#endregion
//printing the leaf-nodes and branches in the same way
//in each case we are calling DisplayDetails() method
Console.WriteLine("Details of a Principal object is as follows:");
//prints the complete structure
principal.DisplayDetails();
Console.WriteLine("Details of a HOD object is as follows:");
//print details of Computer Science department
hodComputerScience.DisplayDetails();
//leaf node
Console.WriteLine("Details of an individual employee (leaf node) is as follows:");
mathTeacher1.DisplayDetails();
//suppose, one Computer Science lecturer (C. Jones) is leaving now from the organization
hodComputerScience.RemoveEmployee(csTeacher2);
Console.WriteLine("After the resignation of C. Jones, the organization has the following members:");
principal.DisplayDetails();
Console.Read();
}
static void Main(string[] args)
{
Console.WriteLine("***Composite Pattern Demo. ***");
#region Mathematics department
//2 lecturers work in Mathematics department
Employee mathTeacher1 = new Employee {
Name = "M.Joy", Dept = "Mathematic", Designation = "Lecturer"
};
Employee mathTeacher2 = new Employee {
Name = "M.Roony", Dept = "Mathematics", Designation = "Lecturer"
};
//The college has a Head of Department in Mathematics
CompositeEmployee hodMaths = new CompositeEmployee {
Name = "Mrs.S.Das", Dept = "Maths", Designation = "HOD-Maths"
};
//Lecturers of Mathematics directly reports to HOD-Maths
hodMaths.AddEmployee(mathTeacher1);
hodMaths.AddEmployee(mathTeacher2);
#endregion
#region Computer Science department
//3 lecturers work in Computer Sc. department
Employee cseTeacher1 = new Employee {
Name = "C.Sam", Dept = "Computer Science", Designation = "Lecturer"
};
Employee cseTeacher2 = new Employee {
Name = "C.Jones", Dept = "Computer Science.", Designation = "Lecturer"
};
Employee cseTeacher3 = new Employee {
Name = "C.Marium", Dept = "Computer Science", Designation = "Lecturer"
};
//The college has a Head of Department in Computer science
CompositeEmployee hodCompSc = new CompositeEmployee {
Name = "Mr. V.Sarcar", Dept = "Computer Sc.", Designation = "HOD-Computer Sc."
};
//Lecturers of Computer Sc. directly reports to HOD-CSE
hodCompSc.AddEmployee(cseTeacher1);
hodCompSc.AddEmployee(cseTeacher2);
hodCompSc.AddEmployee(cseTeacher3);
#endregion
#region Top level management
//The college also has a Principal
CompositeEmployee principal = new CompositeEmployee {
Name = "Dr.S.Som", Dept = "Planning-Supervising-Managing", Designation = "Principal"
};
//Head of Departments's of Maths and Computer Science directly reports to Principal.
principal.AddEmployee(hodMaths);
principal.AddEmployee(hodCompSc);
#endregion
/*
* Printing the leaf-nodes and branches in the same way.
* i.e. in each case, we are calling DisplayDetails() method.
*/
Console.WriteLine("\nDetails of a Principal object is as follows:");
//Prints the complete structure
principal.DisplayDetails();
Console.WriteLine("\nDetails of a HOD object is as follows:");
//Prints the details of Computer Science department
hodCompSc.DisplayDetails();
//Leaf node
Console.WriteLine("\nDetails of an individual employee(leaf node) is as follows:");
mathTeacher1.DisplayDetails();
/*
* Suppose, one Computer Science lecturer(C.Jones)
* is leaving now from the organization.
*/
hodCompSc.RemoveEmployee(cseTeacher2);
Console.WriteLine("\nAfter the resignation of C.Jones, the organization has the following members:");
principal.DisplayDetails();
//Wait for user
Console.ReadKey();
}