KafkaStreamsContainer.StateChangeWatcher (Azkarra Streams 0.7.0 API)

Enclosing class:

KafkaStreamsContainer
```
public static interface KafkaStreamsContainer.StateChangeWatcher
```
Watch a KafkaStreams instance for KafkaStreams.State change. By default, a KafkaStreamsContainer.StateChangeWatcher is one time called, i.e. once it is triggered, it has to re-register itself to watch for further changes.

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`default boolean`	`accept(State newState)`	Should this watcher be called for the given `State`.
`void`	`onChange(StateChangeEvent event)`	Called when state changes.

- Method Detail
  - accept
```
default boolean accept(State newState)
```
    Should this watcher be called for the given State.
    
    Parameters:
    
    newState - the new state of the KafkaStreams instance.
    
    Returns:
    
    true if this watcher must be called, false otherwise.
  - onChange
```
void onChange(StateChangeEvent event)
```
    Called when state changes. This method should not be blocking.
    
    Parameters:
    
    event - the StateChangeEvent