org.dromara.mica.mqtt.codec.message.header

Class MqttFixedHeader

java.lang.Object

org.dromara.mica.mqtt.codec.message.header.MqttFixedHeader

public final class MqttFixedHeader
extends Object

See MQTTV3.1/fixed-header

Author:

netty、L.cm

Constructor Summary

Constructors

Constructor and Description
MqttFixedHeader(MqttMessageType messageType, boolean isDup, MqttQoS qosLevel, boolean isRetain, int remainingLength)
MqttFixedHeader(MqttMessageType messageType, boolean isDup, MqttQoS qosLevel, boolean isRetain, int headLength, int remainingLength)

Method Summary

Modifier and Type	Method and Description
void	downgradeQos() 做 qos 降级，mqtt 规定 qos 大于 0，messageId 必须大于 0，为了兼容，固做降级处理
int	getMessageLength()
int	headLength()
boolean	isDup()
boolean	isRetain()
MqttMessageType	messageType()
MqttQoS	qosLevel()
int	remainingLength()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

MqttFixedHeader

public MqttFixedHeader(MqttMessageType messageType,
                       boolean isDup,
                       MqttQoS qosLevel,
                       boolean isRetain,
                       int remainingLength)

MqttFixedHeader

public MqttFixedHeader(MqttMessageType messageType,
                       boolean isDup,
                       MqttQoS qosLevel,
                       boolean isRetain,
                       int headLength,
                       int remainingLength)

Method Detail

messageType

public MqttMessageType messageType()

isDup

public boolean isDup()

qosLevel

public MqttQoS qosLevel()

downgradeQos

public void downgradeQos()

做 qos 降级，mqtt 规定 qos 大于 0，messageId 必须大于 0，为了兼容，固做降级处理

isRetain

public boolean isRetain()

headLength

public int headLength()

remainingLength

public int remainingLength()

getMessageLength

public int getMessageLength()

toString

public String toString()

Overrides:

toString in class Object