public interface SingleInstanceService
| Modifier and Type | Method and Description | 
|---|---|
| void | addSingleInstanceListener(SingleInstanceListener listener)Adds the specified SingleInstanceListener to the notification list. | 
| void | removeSingleInstanceListener(SingleInstanceListener listener)Removes the specified SingleInstanceListener from the notification list. | 
void addSingleInstanceListener(SingleInstanceListener listener)
listener - the single instance listener to be added. No action is
        performed if it is null.void removeSingleInstanceListener(SingleInstanceListener listener)
listener - the single instance listener to be removed. No action is
        performed if it is null or not in the notification list.