// sets the working start day of every activity to the earliest start day
public void resetActivityStartDays() {
Iterator<Activity> it = activities.iterator();
while (it.hasNext()) {
Activity a = it.next();
a.setStartDay(a.getTimeMin());
}
}
public Calendar calculateEndDate() {
Activity end = this.getActivityByName("END");
if (end != null) {
end.setStartDay(maxActivityDuration());
this.length = end.getStartDay();
this.endDate = projectCalendar.calculateEndDate(startDate, this.length);
return this.endDate;
}
return null;
}