public void start() throws TaskException {
if (getChildCount() > 0)
throw new TaskException("If a task has subtasks you can only report on subtasks");
if (currentPeriod == null || currentPeriod.getEndTime() < System.currentTimeMillis()) {
currentPeriod = new Period();
currentPeriod.setTask(this);
addPeriod(currentPeriod);
ApplicationEventDispatcher.fireEvent(new TaskStartedEvent(this));
}
}
public void removePeriod(Period aPeriod) {
aPeriod.setTask(null);
periods.remove(aPeriod);
if (aPeriod == currentPeriod) currentPeriod = null;
}
public void addPeriod(Period aPeriod) throws TaskException {
if (getChildCount() > 0)
throw new TaskException("If a task has subtasks you can only report on subtasks");
periods.add(aPeriod);
aPeriod.setTask(this);
}
