Package io.dapr

Annotation Interface Topic

@Documented @Target(METHOD) @Retention(RUNTIME) public @interface Topic

  • Required Element Summary

    Required Elements
    Modifier and Type
    Required Element
    Description
    String
    name
    Name of topic to be subscribed to.
    String
    pubsubName
    Name of the pubsub bus to be subscribed to.

  • Optional Element Summary

    Optional Elements
    Modifier and Type
    Optional Element
    Description
    String
    deadLetterTopic
    Name of dead letter topic to forward undeliverable messages.
    String
    metadata
    Metadata in the form of a json object.
    Rule
    rule
    The rules used to match the incoming cloud event.

  • Element Details

    • name

      String name
      Name of topic to be subscribed to.
      Returns:
      Topic's name.

    • pubsubName

      String pubsubName
      Name of the pubsub bus to be subscribed to.
      Returns:
      pubsub bus's name.

    • rule

      Rule rule
      The rules used to match the incoming cloud event.
      Returns:
      the CEL expression.
      Default:
      @io.dapr.Rule(match="", priority=0)

    • metadata

      String metadata
      Metadata in the form of a json object. { "mykey": "myvalue" }
      Returns:
      metadata object
      Default:
      "{}"

    • deadLetterTopic

      String deadLetterTopic
      Name of dead letter topic to forward undeliverable messages.
      Returns:
      dead letter topic's name.
      Default:
      ""