SyntheticObserver (Jakarta Context Dependency Injection API)

Type Parameters:

T - the observed event type of the synthetic observer
```
public interface SyntheticObserver<T>
```
The event notification function for a synthetic observer defined by SyntheticObserverBuilder. CDI container will create an instance of the event notification function every time when it needs to notify the synthetic observer. Implementations must be public classes with a public zero-parameter constructor; they must not be beans.

Since:

4.0

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  void observe(EventContext<T> event, Parameters params)
  Consumes an event.

- Method Detail
  - observe
```
void observe(EventContext<T> event,
             Parameters params)
      throws java.lang.Exception
```
    Consumes an event. The EventContext provides access to the event payload, as well as the EventMetadata.
    The parameter map contains the same values that were passed to the SyntheticObserverBuilder that defined the synthetic observer.
    
    Parameters:
    
    event - the event context, never null
    
    params - the parameter map, never null
    
    Throws:
    
    java.lang.Exception - checked exception will be wrapped and rethrown as an ObserverException