Package org.eclipse.hono.adapter.mqtt

Class PendingPubAcks

java.lang.Object

org.eclipse.hono.adapter.mqtt.PendingPubAcks

public final class PendingPubAcks
extends Object

A class that handles PUBACKs for a particular MQTT endpoint.

Constructor Summary

Constructors

Constructor	Description
PendingPubAcks(io.vertx.core.Vertx vertx)	Creates a new PendingPubAcks instance.

Method Summary

Modifier and Type	Method	Description
void	add(Integer msgId, io.vertx.core.Handler<Integer> onAckHandler, io.vertx.core.Handler<Void> onAckTimeoutHandler, long waitingForAckTimeout)	Registers handlers to be invoked when the published message with the given id is either acknowledged or a timeout occurs.
void	handlePubAck(Integer msgId)	Invoked when a device sends an MQTT PUBACK packet.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PendingPubAcks

public PendingPubAcks(io.vertx.core.Vertx vertx)

Creates a new PendingPubAcks instance.

Parameters:

vertx - The Vert.x instance to execute timers with.

Throws:

NullPointerException - if vertx is null.

Method Detail

handlePubAck

public void handlePubAck(Integer msgId)

Invoked when a device sends an MQTT PUBACK packet.

Parameters:

msgId - The message/packet id of the message published with QoS 1.

Throws:

NullPointerException - if msgId is null.

add

public void add(Integer msgId,
                io.vertx.core.Handler<Integer> onAckHandler,
                io.vertx.core.Handler<Void> onAckTimeoutHandler,
                long waitingForAckTimeout)

Registers handlers to be invoked when the published message with the given id is either acknowledged or a timeout occurs.

Parameters:

msgId - The id of the message that has been published.

onAckHandler - Handler to invoke when the device has acknowledged the message.

onAckTimeoutHandler - Handler to invoke when there is a timeout waiting for the acknowledgement from the device.

waitingForAckTimeout - The timeout to wait for the acknowledgement from the device.

Throws:

NullPointerException - if any of the parameters is null.