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public interface ItemObservable
Simple observable interface for items.
Method Summary | |
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void |
addObserver(ItemObserver observer)
Attach observer to the object. |
void |
deleteObserver(ItemObserver observer)
Detach observer. |
void |
notifyObservers(Constants.ItemEvents event)
Notify all attached observers. |
Method Detail |
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void addObserver(ItemObserver observer)
observer
- an observer to attachvoid deleteObserver(ItemObserver observer)
observer
- to removevoid notifyObservers(Constants.ItemEvents event)
event
- type of event to notify all registered observers
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