Package de.iip_ecosphere.platform.transport.connectors.basics

Enum Class MqttQoS

java.lang.Object
java.lang.Enum<MqttQoS>
de.iip_ecosphere.platform.transport.connectors.basics.MqttQoS
All Implemented Interfaces:
Serializable, Comparable<MqttQoS>, Constable
public enum MqttQoS extends Enum<MqttQoS>
MQTT quality levels. Included as own class as so far non quality definition was found in the dependencies.
Author:
Holger Eichelberger, SSE

  • Enum Constant Details

    • AT_MOST_ONCE

      public static final MqttQoS AT_MOST_ONCE

    • AT_LEAST_ONCE

      public static final MqttQoS AT_LEAST_ONCE

    • EXACTLY_ONCE

      public static final MqttQoS EXACTLY_ONCE

    • FAILURE

      public static final MqttQoS FAILURE

  • Field Details

    • value

      private final int value

  • Constructor Details

    • MqttQoS

      private MqttQoS(int value)
      Creates a QoS constant.
      Parameters:
      value - the MQTT level value

  • Method Details

    • values

      public static MqttQoS[] values()
      Returns an array containing the constants of this enum class, in the order they are declared.
      Returns:
      an array containing the constants of this enum class, in the order they are declared

    • valueOf

      public static MqttQoS valueOf(String name)
      Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (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 class has no constant with the specified name
      NullPointerException - if the argument is null

    • value

      public int value()
      Returns the QoS value.
      Returns:
      the QoS value as int

    • valueOf

      public static MqttQoS valueOf(int value)
      Returns the QoS constant for a given value.
      Parameters:
      value - the level value to map into a constant
      Returns:
      the corresponding constant
      Throws:
      IllegalArgumentException - if no QoS level can be found