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public interface Observer
Root Observer interface.
Method Summary | |
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void |
addedTo(Object observable)
Acknowledge the request to add this Observer from Object's set of observers was successful. |
void |
addFailed(Object observable,
Throwable w)
Notify that the attempt to add to the specified observer failed. |
void |
deletedFrom(Object observable)
Acknowledge the request to delete this Observer from Object's set of observers was successful (or that the Observer was spontaneously deleted, e.g., due to a task exit). |
Method Detail |
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void addedTo(Object observable)
void addFailed(Object observable, Throwable w)
void deletedFrom(Object observable)
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