public void remove(Task t) {
if (StringUtils.isEmpty(t.getReferenceId())) {
return;
}
long count = refCounts.decrement(t.getReferenceId(), 1);
if (count < 1) {
firstTasks.remove(t.getReferenceId());
lastTasks.remove(t.getReferenceId());
}
}
public void add(Task t) {
if (StringUtils.isEmpty(t.getReferenceId())) {
return;
}
refCounts.increment(t.getReferenceId(), 1);
TaskOrderInfo newTask = new TaskOrderInfo(t, orderCount.incrementAndGet());
TaskOrderInfo firstTask = firstTasks.get(t.getReferenceId());
if (newTask.isBefore(firstTask)) {
firstTasks.put(t.getReferenceId(), newTask);
}
TaskOrderInfo lastTask = lastTasks.get(t.getReferenceId());
if (newTask.isAfter(lastTask)) {
lastTasks.put(t.getReferenceId(), newTask);
}
}
public void removeRef(String referenceId) {
lastTasks.remove(referenceId);
firstTasks.remove(referenceId);
refCounts.remove(referenceId);
}