Changeable (Helidon 1.4.12 API)

Type Parameters:

T - a type of source

All Known Subinterfaces:

ConfigSource, OverrideSource, Source<T>

All Known Implementing Classes:

AbstractConfigSource, AbstractOverrideSource, AbstractParsableConfigSource, AbstractSource, EtcdConfigSource, GitConfigSource
```
public interface Changeable<T>
```
Interface used to mark changeable source.

- Method Summary
  
  All Methods Instance Methods Abstract Methods Deprecated Methods
  Modifier and Type Method Description
  
  Flow.Publisher<Optional<T>> changes()
  Deprecated.

- Method Detail
  - changes
```
@Deprecated
Flow.Publisher<Optional<T>> changes()
```
    Deprecated.
    
    Returns a Flow.Publisher to which the caller can subscribe in order to receive change notifications.
    Method Flow.Subscriber.onError(Throwable) is called in case of error listening on config source data. Method Flow.Subscriber.onComplete() is never called.
    
    Returns:
    
    a publisher of events. Never returns null