Package com.hivemq.client.mqtt.lifecycle

Interface MqttClientDisconnectedListener

All Known Subinterfaces:

MqttClientAutoReconnect

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 MqttClientDisconnectedListener

Listener which is notified when a client is disconnected (with or without a Disconnect message) or the connection fails.

Since:

1.1

Method Summary

Modifier and Type	Method	Description
void	onDisconnected(@NotNull MqttClientDisconnectedContext context)	Listener method which is notified in the following cases: A client was disconnected (with or without a Disconnect message, by the server, client or user) or the connection failed.

Method Details

onDisconnected

void onDisconnected(@NotNull
 @NotNull MqttClientDisconnectedContext context)

Listener method which is notified in the following cases:

• A client was disconnected (with or without a Disconnect message, by the server, client or user) or the connection failed. The client state will still be CONNECTED and the MqttClientConnectionConfig will still be present.
• A connect attempt by the user failed. The client state will still be CONNECTING.
• A reconnect attempt by the client failed. The client state will still be CONNECTING_RECONNECT.

The client state will be updated after all MqttClientDisconnectedListeners are called to

• DISCONNECTED or
• DISCONNECTED_RECONNECT if the client is instructed to reconnect.

This method must not block. If you want to reconnect you have to use the supplied MqttClientDisconnectedContext.getReconnector().

Parameters:

context - provides context about the client that is now disconnected, the cause for disconnection and allows reconnecting.