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public interface ObservableEntity
"Observer" design pattern modify to feet our needs. Observable object notify update events to registred Observers.
Method Summary | |
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void |
addObserver(ModelObserver o)
Add a new observer. |
void |
removeObserver(ModelObserver o)
Remove an observer. |
Method Detail |
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void addObserver(ModelObserver o)
o
- the observer to be added.void removeObserver(ModelObserver o)
o
- the observer to be removed.
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