Class MqttTopicSubscription

java.lang.Object

io.netty.handler.codec.mqtt.MqttTopicSubscription

public final class MqttTopicSubscription
extends java.lang.Object

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

Field Summary

Fields

Modifier and Type	Field	Description
private final MqttSubscriptionOption	option
private java.lang.String	topicFilter

Constructor Summary

Constructors

Constructor	Description
MqttTopicSubscription(java.lang.String topicFilter, MqttQoS qualityOfService)
MqttTopicSubscription(java.lang.String topicFilter, MqttSubscriptionOption option)

Method Summary

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

Methods inherited from class java.lang.Object

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

Field Details

topicFilter

private java.lang.String topicFilter

option

private final MqttSubscriptionOption option

Constructor Details

MqttTopicSubscription

public MqttTopicSubscription(java.lang.String topicFilter,
 MqttQoS qualityOfService)

MqttTopicSubscription

public MqttTopicSubscription(java.lang.String topicFilter,
 MqttSubscriptionOption option)

Method Details

topicName

@Deprecated
public java.lang.String topicName()

Deprecated.

use topicFilter

topicFilter

public java.lang.String topicFilter()

setTopicFilter

public void setTopicFilter(java.lang.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 java.lang.String toString()

Overrides:

toString in class java.lang.Object