MessageListener (Yamcs :: Yamcs Client 5.4.2 API)

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@FunctionalInterface
public interface MessageListener<T extends com.google.protobuf.Message>
```
A listener for handling data messages received from a WebSocket call.

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`default void`	`onError(Throwable t)`	Called when an exception claused the call to abort.
`void`	`onMessage(T message)`	Called when a single data message is received.

- Method Detail
  - onMessage
```
void onMessage(T message)
```
    Called when a single data message is received. Implementations should return quickly.
  - onError
```
default void onError(Throwable t)
```
    Called when an exception claused the call to abort.