package scheduler.File; import scheduler.ScheduleDB.*; import java.util.Collection; /** * * This is used incase the admin does not want to save the change *s that they have made to the database. This way a admin * can revert back to a certain state or point in which the schedule was * generated This is also helpful if the teacher creates a schedule and then doesn't like it. * * @author * @version * **/ public class PreviousState { /** Default Constructor **/ public PreviousState() { } protected Collection data; }