OnOverflow (MicroProfile Reactive Streams Messaging Implementation 2.0.2 API)

@Retention(RUNTIME)
@Target({METHOD,CONSTRUCTOR,FIELD,PARAMETER})
public @interface OnOverflow

Allows configuring the back pressure policy on injected Emitter:

 {
     @code
     @Channel("channel")
     @OnOverflow(value = OnOverflow.Strategy.BUFFER, bufferSize = 256)
     Emitter<String> emitter;
 }

When not used, a OnOverflow.Strategy.BUFFER strategy is used with a buffer limited to 128 elements.

- Required Element Summary
  
  Required Elements
  Modifier and Type Required Element Description
  
  OnOverflow.Strategy value
- Optional Element Summary
  
  Optional Elements
  Modifier and Type Optional Element Description
  
  long bufferSize

- Element Detail
  - value
```
OnOverflow.Strategy value
```
    Returns:
    
    the name of the strategy to be used on overflow.
- - bufferSize
```
long bufferSize
```
    Returns:
    
    the size of the buffer when OnOverflow.Strategy.BUFFER is used. If not set and if the OnOverflow.Strategy.BUFFER strategy is used, the buffer size will be defaulted to the value of the config property mp.messaging.emitter.defult-buffer-size.
    
    Default:
    
    0L