public enum MqttQoS extends Enum<MqttQoS>
| 枚举常量和说明 |
|---|
AT_LEAST_ONCE |
AT_MOST_ONCE |
EXACTLY_ONCE |
FAILURE |
| 限定符和类型 | 方法和说明 |
|---|---|
int |
value() |
static MqttQoS |
valueOf(int value) |
static MqttQoS |
valueOf(String name)
返回带有指定名称的该类型的枚举常量。
|
static MqttQoS[] |
values()
按照声明该枚举类型的常量的顺序, 返回
包含这些常量的数组。
|
public static final MqttQoS AT_MOST_ONCE
public static final MqttQoS AT_LEAST_ONCE
public static final MqttQoS EXACTLY_ONCE
public static final MqttQoS FAILURE
public static MqttQoS[] values()
for (MqttQoS c : MqttQoS.values()) System.out.println(c);
public static MqttQoS valueOf(String name)
name - 要返回的枚举常量的名称。IllegalArgumentException - 如果该枚举类型没有带有指定名称的常量NullPointerException - 如果参数为空值public int value()
public static MqttQoS valueOf(int value)
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