ConnectionListener (Yamcs :: Yamcs Client 5.4.1 API)

All Superinterfaces:

EventListener
```
public interface ConnectionListener
extends EventListener
```
A connection listener interface for clients connecting to Yamcs.

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`void`	`connected()`	Called after a successful connection to Yamcs has been established.
`void`	`connecting()`	Called right before the initial connection to Yamcs is being made.
`void`	`connectionFailed(ClientException exception)`	Called when the initial connection to Yamcs has failed, e.g. the maximum number of retry attempts has exceeded.
`void`	`disconnected()`	Called when the connection to Yamcs is closed.
`default void`	`log(String message)`	Used to log messages.

- Method Detail
  - connecting
```
void connecting()
```
    Called right before the initial connection to Yamcs is being made.
  - connected
```
void connected()
```
    Called after a successful connection to Yamcs has been established.
  - connectionFailed
```
void connectionFailed(ClientException exception)
```
    Called when the initial connection to Yamcs has failed, e.g. the maximum number of retry attempts has exceeded.
    
    Parameters:
    
    exception - Optional cause of the connection failure, may be null.
  - disconnected
```
void disconnected()
```
    Called when the connection to Yamcs is closed.
  - log
```
default void log(String message)
```
    Used to log messages.
    
    Parameters:
    
    message - the messages to be logged