org.dromara.mica.mqtt.codec.message.builder

Class MqttTopicSubscription

java.lang.Object

org.dromara.mica.mqtt.codec.message.builder.MqttTopicSubscription

public final class MqttTopicSubscription
extends Object

Contains a topic name and Qos Level. This is part of the MqttSubscribePayload

Author:

netty

Constructor Summary

Constructors

Constructor and Description
MqttTopicSubscription(String topicFilter)
MqttTopicSubscription(String topicFilter, MqttQoS qualityOfService)
MqttTopicSubscription(String topicFilter, MqttSubscriptionOption option)

Method Summary

Modifier and Type	Method and Description
MqttSubscriptionOption	option()
MqttQoS	qualityOfService()
void	setTopicFilter(String topicFilter) Rewrite topic filter.
String	topicFilter()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

MqttTopicSubscription

public MqttTopicSubscription(String topicFilter)

MqttTopicSubscription

public MqttTopicSubscription(String topicFilter,
                             MqttQoS qualityOfService)

MqttTopicSubscription

public MqttTopicSubscription(String topicFilter,
                             MqttSubscriptionOption option)

Method Detail

topicFilter

public String topicFilter()

setTopicFilter

public void setTopicFilter(String topicFilter)

Rewrite topic filter. Many IoT devices do not support reconfiguration or upgrade, so it is hard to change their subscribed topics. To resolve this issue, MQTT server may offer topic rewrite capability.

Parameters:

topicFilter - Topic to rewrite to

qualityOfService

public MqttQoS qualityOfService()

option

public MqttSubscriptionOption option()

toString

public String toString()

Overrides:

toString in class Object