Class TopicImpl<T>

  • All Implemented Interfaces:
    Topic<T>

    public class TopicImpl<T>
    extends Object
    implements Topic<T>
    Author:
    jwells
    • Method Detail

      • publish

        public void publish​(T message)
        Description copied from interface: Topic
        Publishes a message to all subscribers
        Specified by:
        publish in interface Topic<T>
        Parameters:
        message - The non-null message to send to all current subscribers
      • named

        public Topic<T> named​(String name)
        Description copied from interface: Topic
        Returns an Topic that is further qualified with the given name
        Specified by:
        named in interface Topic<T>
        Parameters:
        name - The value field of the Named annotation parameter. Must not be null
        Returns:
        A topic further qualified with the given name
      • ofType

        public <U> Topic<U> ofType​(Type type)
        Description copied from interface: Topic
        Returns an Topic that is of the given type. This type must be more specific than the type of this Topic
        Specified by:
        ofType in interface Topic<T>
        Parameters:
        type - The type to restrict the returned Topic to
        Returns:
        A Topic restricted to only producing messages of the given type
      • qualifiedWith

        public Topic<T> qualifiedWith​(Annotation... qualifiers)
        Description copied from interface: Topic
        A set of qualifiers to further restrict this Topic to.
        Specified by:
        qualifiedWith in interface Topic<T>
        Parameters:
        qualifiers - The qualifiers to further restrict this Topic to
        Returns:
        An Topic restricted with the given qualifiers
      • getTopicType

        public Type getTopicType()
        Description copied from interface: Topic
        Gets the type of the topic, in order to match the message to subscribers
        Specified by:
        getTopicType in interface Topic<T>
        Returns:
        the Type of this topic. Will not return null
      • getTopicQualifiers

        public Set<Annotation> getTopicQualifiers()
        Description copied from interface: Topic
        The qualifiers associated with this Topic. Messages should only be distributed to subscribers that have matching qualifiers
        Specified by:
        getTopicQualifiers in interface Topic<T>
        Returns:
        the non-null but possibly empty set of qualifiers associated with this Topic