Module io.smallrye.mutiny.math
Package io.smallrye.mutiny.math

Class CountOperator<T>

  • Type Parameters:
    T - type of the incoming items.
    All Implemented Interfaces:
    java.util.function.Function<Multi<T>,​Multi<java.lang.Long>>
    public class CountOperator<T>
extends java.lang.Object
implements java.util.function.Function<Multi<T>,​Multi<java.lang.Long>>
    Count operator emitting the current count. Everytime it gets an item from upstream, it emits the count. If the stream emits the completion event without having emitting any item before, 0 is emitted, followed by the completion event. If the upstream emits a failure, the failure is propagated.

    • Constructor Summary

      Constructors 
      Constructor Description
      CountOperator()  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      Multi<java.lang.Long> apply​(Multi<T> multi)  

      • Methods inherited from class java.lang.Object

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

      • Methods inherited from interface java.util.function.Function

        andThen, compose

    • Constructor Detail

      • CountOperator

        public CountOperator()

    • Method Detail

      • apply

        public Multi<java.lang.Long> apply​(Multi<T> multi)
        Specified by:
        apply in interface java.util.function.Function<Multi<T>,​Multi<java.lang.Long>>