Class KafkaNullAwarePayloadArgumentResolver

java.lang.Object
org.springframework.messaging.handler.annotation.support.PayloadMethodArgumentResolver
org.springframework.kafka.listener.adapter.KafkaNullAwarePayloadArgumentResolver
All Implemented Interfaces:
org.springframework.messaging.handler.invocation.HandlerMethodArgumentResolver
public class KafkaNullAwarePayloadArgumentResolver extends org.springframework.messaging.handler.annotation.support.PayloadMethodArgumentResolver
PayloadMethodArgumentResolver that can properly decode KafkaNull payloads, returning null. When using a custom MessageHandlerMethodFactory, add this resolver if you need to handle tombstone records with null values.
Since:
2.7.4

  • Method Summary

    Modifier and Type
    Method
    Description
    protected boolean
    isEmptyPayload(@Nullable Object payload)
     
    @Nullable Object
    resolveArgument(org.springframework.core.MethodParameter parameter, org.springframework.messaging.Message<?> message)
     

    Methods inherited from class org.springframework.messaging.handler.annotation.support.PayloadMethodArgumentResolver

    resolveTargetClass, supportsParameter, validate

    Methods inherited from class Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Method Details

    • resolveArgument

      public @Nullable Object resolveArgument(org.springframework.core.MethodParameter parameter, org.springframework.messaging.Message<?> message) throws Exception
      Specified by:
      resolveArgument in interface org.springframework.messaging.handler.invocation.HandlerMethodArgumentResolver
      Overrides:
      resolveArgument in class org.springframework.messaging.handler.annotation.support.PayloadMethodArgumentResolver
      Throws:
      Exception

    • isEmptyPayload

      protected boolean isEmptyPayload(@Nullable Object payload)
      Overrides:
      isEmptyPayload in class org.springframework.messaging.handler.annotation.support.PayloadMethodArgumentResolver