net.dreamlu.iot.mqtt.core.client

类 MqttClient

java.lang.Object

net.dreamlu.iot.mqtt.core.client.MqttClient

public final class MqttClient
extends Object

mqtt 客户端

作者:

L.cm

方法概要

限定符和类型	方法和说明
static MqttClientCreator	create()
boolean	disconnect() 断开 mqtt 连接
org.tio.client.ClientChannelContext	getContext() 获取 ClientChannelContext
Boolean	publish(String topic, ByteBuffer payload) 发布消息
Boolean	publish(String topic, ByteBuffer payload, boolean retain) 发布消息
Boolean	publish(String topic, ByteBuffer payload, MqttQoS qos) 发布消息
Boolean	publish(String topic, ByteBuffer payload, MqttQoS qos, boolean retain) 发布消息
MqttClient	reconnect() 重连
boolean	stop() 停止客户端
MqttClient	subQos0(String topicFilter, IMqttClientMessageListener listener) 订阅
MqttClient	subQos1(String topicFilter, IMqttClientMessageListener listener) 订阅
MqttClient	subQos2(String topicFilter, IMqttClientMessageListener listener) 订阅
MqttClient	subscribe(MqttQoS mqttQoS, String topicFilter, IMqttClientMessageListener listener) 订阅
MqttClient	unSubscribe(String topicFilter) 取消订阅

从类继承的方法 java.lang.Object

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

方法详细资料

create

public static MqttClientCreator create()

subQos0

public MqttClient subQos0(String topicFilter,
                          IMqttClientMessageListener listener)

订阅

参数:

topicFilter - topicFilter

listener - MqttMessageListener

返回:

MqttClient

subQos1

public MqttClient subQos1(String topicFilter,
                          IMqttClientMessageListener listener)

订阅

参数:

topicFilter - topicFilter

listener - MqttMessageListener

返回:

MqttClient

subQos2

public MqttClient subQos2(String topicFilter,
                          IMqttClientMessageListener listener)

订阅

参数:

topicFilter - topicFilter

listener - MqttMessageListener

返回:

MqttClient

subscribe

public MqttClient subscribe(MqttQoS mqttQoS,
                            String topicFilter,
                            IMqttClientMessageListener listener)

订阅

参数:

mqttQoS - MqttQoS

topicFilter - topicFilter

listener - MqttMessageListener

返回:

MqttClient

unSubscribe

public MqttClient unSubscribe(String topicFilter)

取消订阅

参数:

topicFilter - topicFilter

返回:

MqttClient

publish

public Boolean publish(String topic,
                       ByteBuffer payload)

发布消息

参数:

topic - topic

payload - 消息体

返回:

是否发送成功

publish

public Boolean publish(String topic,
                       ByteBuffer payload,
                       MqttQoS qos)

发布消息

参数:

topic - topic

payload - 消息体

qos - MqttQoS

返回:

是否发送成功

publish

public Boolean publish(String topic,
                       ByteBuffer payload,
                       boolean retain)

发布消息

参数:

topic - topic

payload - 消息体

retain - 是否在服务器上保留消息

返回:

是否发送成功

publish

public Boolean publish(String topic,
                       ByteBuffer payload,
                       MqttQoS qos,
                       boolean retain)

发布消息

参数:

topic - topic

payload - 消息体

qos - MqttQoS

retain - 是否在服务器上保留消息

返回:

是否发送成功

reconnect

public MqttClient reconnect()
                     throws Exception

重连

返回:

MqttClient

抛出:

Exception - 异常

disconnect

public boolean disconnect()

断开 mqtt 连接

返回:

是否成功

stop

public boolean stop()

停止客户端

返回:

是否停止成功

getContext

public org.tio.client.ClientChannelContext getContext()

获取 ClientChannelContext

返回:

ClientChannelContext