Package io.netty.handler.codec.mqtt
Enum MqttVersion
- All Implemented Interfaces:
Serializable
,Comparable<MqttVersion>
,java.lang.constant.Constable
Mqtt version specific constant values used by multiple classes in mqtt-codec.
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Nested Class Summary
Nested classes/interfaces inherited from class java.lang.Enum
Enum.EnumDesc<E extends Enum<E>>
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Enum Constant Summary
Enum Constants -
Field Summary
Fields -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionstatic MqttVersion
fromProtocolNameAndLevel
(String protocolName, byte protocolLevel) byte
byte[]
static MqttVersion
Returns the enum constant of this type with the specified name.static MqttVersion[]
values()
Returns an array containing the constants of this enum type, in the order they are declared.
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Enum Constant Details
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MQTT_3_1
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MQTT_3_1_1
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MQTT_5
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Field Details
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name
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level
private final byte level
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Constructor Details
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MqttVersion
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Method Details
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values
Returns an array containing the constants of this enum type, in the order they are declared.- Returns:
- an array containing the constants of this enum type, in the order they are declared
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valueOf
Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)- Parameters:
name
- the name of the enum constant to be returned.- Returns:
- the enum constant with the specified name
- Throws:
IllegalArgumentException
- if this enum type has no constant with the specified nameNullPointerException
- if the argument is null
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protocolName
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protocolNameBytes
public byte[] protocolNameBytes() -
protocolLevel
public byte protocolLevel() -
fromProtocolNameAndLevel
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