public static enum MqttSubscriptionOption.RetainedHandlingPolicy extends Enum<MqttSubscriptionOption.RetainedHandlingPolicy>
| 枚举常量和说明 |
|---|
DONT_SEND_AT_SUBSCRIBE
请勿发送订阅
|
SEND_AT_SUBSCRIBE
订阅发送
|
SEND_AT_SUBSCRIBE_IF_NOT_YET_EXISTS
如果还没有订阅,请发送
|
| 限定符和类型 | 字段和说明 |
|---|---|
private byte |
value |
| 限定符和类型 | 方法和说明 |
|---|---|
byte |
value() |
static MqttSubscriptionOption.RetainedHandlingPolicy |
valueOf(int value) |
static MqttSubscriptionOption.RetainedHandlingPolicy |
valueOf(String name)
返回带有指定名称的该类型的枚举常量。
|
static MqttSubscriptionOption.RetainedHandlingPolicy[] |
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 MqttSubscriptionOption.RetainedHandlingPolicy SEND_AT_SUBSCRIBE
public static final MqttSubscriptionOption.RetainedHandlingPolicy SEND_AT_SUBSCRIBE_IF_NOT_YET_EXISTS
public static final MqttSubscriptionOption.RetainedHandlingPolicy DONT_SEND_AT_SUBSCRIBE
public static MqttSubscriptionOption.RetainedHandlingPolicy[] values()
for (MqttSubscriptionOption.RetainedHandlingPolicy c : MqttSubscriptionOption.RetainedHandlingPolicy.values()) System.out.println(c);
public static MqttSubscriptionOption.RetainedHandlingPolicy 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 byte value()
public static MqttSubscriptionOption.RetainedHandlingPolicy valueOf(int value)
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