/** notify all observers */
public void notifyObservers(ObserverType type, Object... object) {
List<ActionObserver> tempOnceused = Collections.emptyList();
lock.lock();
try {
if (onceUsedObservers.size() > 0) {
tempOnceused = new ArrayList<ActionObserver>();
Iterator<ActionObserver> iterator = onceUsedObservers.iterator();
while (iterator.hasNext()) {
ActionObserver observer = iterator.next();
if (observer.getObserverType().matchesObserver(type)) {
if (observer.tryUse()) {
tempOnceused.add(observer);
iterator.remove();
}
}
}
}
} finally {
lock.unlock();
}
// notify outside of lock
for (ActionObserver observer : tempOnceused) {
notifyAction(type, observer, object);
}
if (observers.size() > 0) {
for (ActionObserver observer : observers) {
if (observer.getObserverType().matchesObserver(type)) {
notifyAction(type, observer, object);
}
}
}
}
/**
* Once used observer add to observerController. If observer notify will be removed.
*
* @param observer
*/
public void attach(ActionObserver observer) {
observer.makeOneTimeUse();
lock.lock();
try {
onceUsedObservers.add(observer);
} finally {
lock.unlock();
}
}
private void notifyAction(ObserverType type, ActionObserver observer, Object... object) {
switch (type) {
case ATTACK:
observer.attack((Creature) object[0]);
break;
case ATTACKED:
observer.attacked((Creature) object[0]);
break;
case DEATH:
observer.died((Creature) object[0]);
break;
case EQUIP:
observer.equip((Item) object[0], (Player) object[1]);
break;
case UNEQUIP:
observer.unequip((Item) object[0], (Player) object[1]);
break;
case MOVE:
observer.moved();
break;
case SKILLUSE:
observer.skilluse((Skill) object[0]);
break;
case DOT_ATTACKED:
observer.dotattacked((Creature) object[0], (Effect) object[1]);
break;
case ITEMUSE:
observer.itemused((Item) object[0]);
break;
case NPCDIALOGREQUEST:
observer.npcdialogrequested((Npc) object[0]);
break;
case ABNORMALSETTED:
observer.abnormalsetted((AbnormalState) object[0]);
break;
case SUMMONRELEASE:
observer.summonrelease();
break;
}
}