public LoadTimeLine(
String conceptName, List<LoadPeriod> loadPeriods, String type, TimeLineRole<?> role) {
Validate.notEmpty(conceptName);
Validate.notNull(loadPeriods);
this.loadPeriods = LoadPeriod.sort(loadPeriods);
this.conceptName = conceptName;
this.timeLineRole = role;
this.type = type;
this.children = Collections.unmodifiableList(new ArrayList<LoadTimeLine>());
}
public LoadTimeLine(LoadTimeLine main, List<LoadTimeLine> children) {
Validate.notEmpty(main.getConceptName());
Validate.notNull(main.getLoadPeriods());
this.loadPeriods = LoadPeriod.sort(main.getLoadPeriods());
this.conceptName = main.getConceptName();
this.timeLineRole = main.getRole();
this.type = main.getType();
Validate.notNull(children);
this.children = Collections.unmodifiableList(new ArrayList<>(children));
}