ConnectionListener (NATS.IO Java API)

```
public interface ConnectionListener
```
Applications can use a ConnectionListener to track the status of a Connection. The listener is configured in the Options at creation time.

Nested Class Summary

Nested Classes
Modifier and Type Interface Description

static class ConnectionListener.Events

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`connectionEvent(Connection conn, ConnectionListener.Events type)`	Connection related events that occur asynchronously in the client code are sent to a ConnectionListener via a single method.

- Method Detail
  - connectionEvent
```
void connectionEvent(Connection conn,
                     ConnectionListener.Events type)
```
    Connection related events that occur asynchronously in the client code are sent to a ConnectionListener via a single method. The ConnectionListener can use the event type to decide what to do about the problem.
    
    Parameters:
    
    conn - the connection associated with the error
    
    type - the type of event that has occurred