com.github.tocrhz.mqtt.annotation

Annotation Type Payload

@Retention(value=RUNTIME)
 @Target(value=PARAMETER)
public @interface Payload

Message content.

If there is no such annotation in the parameter list, the default custom type has this annotation.

If there is this annotation in the parameter list, only the message content will be assigned to the annotated parameter.

Author:

tocrhz

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element and Description
boolean	required if required is true and value is null, method does not execute.
java.lang.Class<? extends org.springframework.core.convert.converter.Converter<?,?>>[]	value The processing before conversion is executed sequentially, starting from byte[] and ending with the target type.

Element Detail

value

public abstract java.lang.Class<? extends org.springframework.core.convert.converter.Converter<?,?>>[] value

The processing before conversion is executed sequentially, starting from byte[] and ending with the target type.

If the result is the same as the target type after the execution in sequence, it is directly assigned, if it is different, MqttConversionService is called for conversion.

Returns:

Converter

Default:

{}

required

public abstract boolean required

if required is true and value is null, method does not execute.

Returns:

boolean

Default:

false