public class ODFCartUserPreferencesObserver extends Object implements Observer, Serviceable
AbstractProgram
or a Course
on content deletion for all users' preferences.Modifier and Type | Field and Description |
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private ODFCartUserPreferencesStorage |
_odfUserPrefStorage |
MAX_PRIORITY, MIN_PRIORITY
Constructor and Description |
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ODFCartUserPreferencesObserver() |
Modifier and Type | Method and Description |
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int |
getPriority(Event event)
Retrieves the priority to observe this event.
This can be used to process a supported event before others observers. |
void |
observe(Event event,
Map<String,Object> transientVars)
Observes an event.
|
void |
service(ServiceManager smanager) |
boolean |
supports(Event event)
Checks if the event is supported.
|
private ODFCartUserPreferencesStorage _odfUserPrefStorage
public ODFCartUserPreferencesObserver()
public void service(ServiceManager smanager) throws ServiceException
service
in interface Serviceable
ServiceException
public boolean supports(Event event)
Observer
public int getPriority(Event event)
Observer
getPriority
in interface Observer
event
- the event.public void observe(Event event, Map<String,Object> transientVars) throws Exception
Observer
observe
in interface Observer
event
- the event.transientVars
- transientVars passed from one Observer to another when processing a single Event.
This may allow optimizations between observers.Exception
- if an error occurs.
All exceptions will be logged but not propagated, as the observation mechanism should never fail.