|Modifier and Type||Method and Description|
Adds an observer to the set of observers for this object, provided that it is not the same as some observer already in the set.
Deletes an observer from the set of observers of this object.
void addConnectorEventHandler(ConnectorEventHandler handler)
handler- an observer to be added.
NullPointerException- if the parameter o is null.
void deleteConnectorEventHandler(ConnectorEventHandler handler)
nullto this method will have no effect.
handler- the observer to be deleted.
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