/*
 * @author Robert Russell
 * @updated by VH
 * @ updated by Ben Hample, Greg Krywicki, Robert Russell (12/18/07)
 * @date 9/22/07
 * Class Employee contains employee's name (string) and age (int)
 * Class Employee provides the following methods:
 *      Class constructor (string, age)
 *      getAge
 *      getName
 *      setAge
 *      setName
 *      isOlder
 *      isYounger
 *      sameAge
 *      toString
 */

public class Employee  implements Comparable
{
    String name;
    int age;
     
    /** 
     * Creates a new instance of Employee
     * @param a String that represents the name of the Employee
     * @param an int that represents the Employee's age 
     **/
    public Employee(String name, int age)
    {
        this.name = name;
        this.age = age;
    }
    
    
    /**
     * @return an int, which the age of this Employee
     **/
    public int getAge()
    {
        return age;
    }
    
    /**
     *@return a String, which the name of this Employee
     **/
    public String getName()
    {
        return name;
    }
    
     /**
     *@return true if this employee is older than the 
     *             employee passed into the method   
     **/
 
    public Boolean isOlder(Employee e)
    {
        return (age > e.getAge());
    }
    
    
    /**
     *@return true if this employee is younger than the 
     *             employee passed into the method   
     **/
    public Boolean isYounger(Employee e)
    {
        return (age < e.getAge());
    }
    
    /**
     *@return true if this employee is same age as 
     *             the employee passed into the method   
     **/
    public Boolean sameAge(Employee e)
    {
        return (age == e.getAge());
    }
    
    /**
     *@return a String that displays the Employee's name and age
     **/
    public String toString()
    {
        String info = name.trim() + ", age " + age;
        return info;
    }

    public void setName(String name)
    {
        this.name = name;
    }
    
    /*
     * Purpose: Implementation of the compareTo method from the
     * Comparable interface in order to compare employee names
     * Pre: None
     * Post: None
     * In: An object of the type Employee
     * Out: If this employee's name is less than argument's name, return -1
     * If it greater, then return one. If they are equal, return 0.
     */
    public int compareTo(Object e) 
    {
        Employee emp = (Employee) e;
        if(this.getName().compareTo(emp.getName()) > 0)
        {
            return 1;
        }
        else if(this.getName().compareTo(emp.getName()) < 0)
        {
            return -1;
        }
        else
        {
            return 0;
        }
    }  
}