Uses of Interface
com.hivemq.spi.callback.Callback

Packages that use Callback

Package	Description
com.hivemq.spi.callback
com.hivemq.spi.callback.cluster
com.hivemq.spi.callback.events
com.hivemq.spi.callback.events.broker
com.hivemq.spi.callback.lowlevel
com.hivemq.spi.callback.registry
com.hivemq.spi.callback.schedule
com.hivemq.spi.callback.security
com.hivemq.spi.callback.webui

Uses of Callback in com.hivemq.spi.callback

Subinterfaces of Callback in com.hivemq.spi.callback

Modifier and Type	Interface and Description
interface	AsynchronousCallback A callback which gets executed asynchronously.
interface	SynchronousCallback A callback which execution is synchronized.

Uses of Callback in com.hivemq.spi.callback.cluster

Subinterfaces of Callback in com.hivemq.spi.callback.cluster

Modifier and Type	Interface and Description
interface	ClusterDiscoveryCallback This callback is meant to regularly discover the addresses of all available HiveMQ cluster nodes.

Uses of Callback in com.hivemq.spi.callback.events

Subinterfaces of Callback in com.hivemq.spi.callback.events

Modifier and Type	Interface and Description
interface	BeforePublishSendCallback Gets called just before a PUBLISH message is sent to a client.
interface	OnConnectCallback This callback is called when a CONNECT MQTT message arrives.
interface	OnDisconnectCallback This callback gets called when a client disconnects gracefully with a DISCONNECT message or when disconnects abruptly by closing the TCP connection .
interface	OnPublishReceivedCallback Gets called when a PUBLISH MQTT message arrives.
interface	OnPublishSend Gets called when an outgoing PUBLISH message event occurs.
interface	OnSessionReadyCallback This callback gets called once the MQTT Session is ready for a client.
interface	OnSubscribeCallback Gets called when a SUBSCRIBE message arrives When a subscription was invalid it's possible to throw a InvalidSubscriptionException.
interface	OnTopicSubscriptionCallback This callback returns the SubackReturnCode for a Topic and a ClientData.
interface	OnUnsubscribeCallback A callback which gets called when an UNSUBSCRIBE MQTT message arrives.

Uses of Callback in com.hivemq.spi.callback.events.broker

Subinterfaces of Callback in com.hivemq.spi.callback.events.broker

Modifier and Type	Interface and Description
interface	OnBrokerReady *This callback gets called once the broker is started, after network interfaces are bound and after a possible cluster join was executed.
interface	OnBrokerStart This callback gets called when the broker starts but before network interfaces are bound and before other bootstrapping actions take place.
interface	OnBrokerStop This callback gets executed when the broker shuts down.

Uses of Callback in com.hivemq.spi.callback.lowlevel

Subinterfaces of Callback in com.hivemq.spi.callback.lowlevel

Modifier and Type	Interface and Description
interface	OnConnackSend The OnConnackSend Callback gets called when the broker sent a CONNACK message to a client
interface	OnPingCallback The OnPingCallback which gets called after a client sent a PINGREQ message
interface	OnPubackReceived This callback gets called after a PUBACK message was received from a client
interface	OnPubackSend The OnPubackSend callback gets called after HiveMQ sent a PUBACK message to a client
interface	OnPubcompReceived The OnPubcompReceived Callback gets called after HiveMQ receives a PUBCOMP message from a client.
interface	OnPubcompSend The OnPubcompSend callback gets executed after a PUBCOMP message was sent by HiveMQ to a client.
interface	OnPubrecReceived The OnPubrecReceived Callback gets called after HiveMQ receives a PUBREC message from a client.
interface	OnPubrecSend The OnPubrecSend callback gets executed after a PUBREC message was sent by HiveMQ to a client.
interface	OnPubrelReceived The OnPubrelReceived Callback gets called after HiveMQ receives a PUBREL message from a client.
interface	OnPubrelSend The OnPubrelSend callback gets executed after a PUBREL message was sent by HiveMQ to a client.
interface	OnSubackSend The OnSubackSend callback gets called after HiveMQ sends a SUBACK message to a client.
interface	OnUnsubackSend The OnUnsubackSend callback gets called after HiveMQ sends a UNSUBACK message to a client.

Uses of Callback in com.hivemq.spi.callback.registry

Methods in com.hivemq.spi.callback.registry with type parameters of type Callback

Modifier and Type	Method and Description
<T extends Callback> List<T>	CallbackRegistry.getCallbacks(Class<T> callbackClass) Returns a list of all available callbacks for a specific callback class.
<T extends Callback> boolean	CallbackRegistry.isCallbackAvailable(Class<T> callbackClass) Returns true if a callbacks for the specific callback class is registered, false otherwise.

Methods in com.hivemq.spi.callback.registry that return types with arguments of type Callback

Modifier and Type	Method and Description
Set<Callback>	CallbackRegistry.getAllCallbacks() Returns a set of all available callbacks in the Callback Registry
Set<Class<? extends Callback>>	CallbackRegistry.getAllRegisteredCallbackClasses() Returns a set of all callback interfaces for which callbacks are available.

Methods in com.hivemq.spi.callback.registry with parameters of type Callback

Modifier and Type	Method and Description
void	CallbackRegistry.addCallback(Callback callback) Makes a callback available to HiveMQ.
void	CallbackRegistry.addCallbacks(Callback... callbacks) Makes one or more callbacks available to HiveMQ.
void	CallbackRegistry.removeCallback(Callback callback) Removes a callback from the Callback Registry

Method parameters in com.hivemq.spi.callback.registry with type arguments of type Callback

Modifier and Type	Method and Description
void	CallbackRegistry.removeAllCallbacks(Class<? extends Callback> callbackClass) Remove all callbacks for a specific callback class

Uses of Callback in com.hivemq.spi.callback.schedule

Subinterfaces of Callback in com.hivemq.spi.callback.schedule

Modifier and Type	Interface and Description
interface	ScheduledCallback This callback gets called periodically based on the value provided in the ScheduledCallback.cronExpression() method.

Uses of Callback in com.hivemq.spi.callback.security

Subinterfaces of Callback in com.hivemq.spi.callback.security

Modifier and Type	Interface and Description
interface	AfterLoginCallback The methods of this callback get called when a login attempt was made.
interface	OnAuthenticationCallback This callback gets called when a CONNECT message arrives and is meant to perform the authentication of a client.
interface	OnAuthorizationCallback This callback returns a list of MqttTopicPermissions.
interface	OnInsufficientPermissionDisconnect This callback gets executed after a client was disconnected due to insufficient permissions.
interface	RestrictionsAfterLoginCallback This callback gets executed after a CONNECT message arrived and the client was authenticated successfully.

Uses of Callback in com.hivemq.spi.callback.webui

Subinterfaces of Callback in com.hivemq.spi.callback.webui

Modifier and Type	Interface and Description
interface	WebUIAuthenticationCallback This callback is called, when a web ui user is trying to log in.