Department.java

package org.softlang.company.model;

import java.util.LinkedList;
import java.util.List;

/**
 * A department has a name, a manager, employees, and subdepartments.
 */
public class Department {
    
    private String name;
    private Employee manager;
    private List<Department> subdepts = new LinkedList<Department>();
    private List<Employee> employees = new LinkedList<Employee>();

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public Employee getManager() {
        return manager;
    }

    public void setManager(Employee manager) {
        this.manager = manager;
    }

    public List<Department> getSubdepts() {
        return subdepts;
    }

    public List<Employee> getEmployees() {
        return employees;
    }

    /**
     * Compute total, sequentially
     */
    public double total() {
        double total = 0;
        total += getManager().getSalary();
        for (Department s : getSubdepts()) {
            total += s.total();
        }
        for (Employee e : getEmployees()) {
            total += e.getSalary();
        }
        return total;
    }

    /**
     * Perform cut, sequentially
     */
     public void cut() {
        getManager().cut();
        for (Department s : getSubdepts()) {
            s.cut();
        }
        for (Employee e : getEmployees()) {
            e.cut();
        }
    }

}