Listenable (Armeria 0.92.0 API reference)

All Known Subinterfaces:

EndpointGroup, ListenableHealthChecker

All Known Implementing Classes:

AbstractListenable, DnsAddressEndpointGroup, DnsServiceEndpointGroup, DnsTextEndpointGroup, DynamicEndpointGroup, Endpoint, HealthCheckedEndpointGroup, PropertiesEndpointGroup, SettableHealthChecker, StaticEndpointGroup
```
public interface Listenable<T>
```
An interface that accepts item change listeners.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`addListener(Consumer<? super T> listener)`	Adds a `Consumer` that will be invoked when a `Listenable` changes its value.
`void`	`removeListener(Consumer<?> listener)`	Remove a listener.

- Method Detail
  - addListener
```
void addListener(Consumer<? super T> listener)
```
    Adds a Consumer that will be invoked when a Listenable changes its value.
  - removeListener
```
void removeListener(Consumer<?> listener)
```
    Remove a listener.