Package zipkin2

Interface Callback<V>

  • public interface Callback<V>
    A callback of a single result or error.

    This is a bridge to async libraries such as CompletableFuture complete, completeExceptionally.

    Implementations will call either onSuccess(V) or onError(java.lang.Throwable), but not both.

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      void onError​(java.lang.Throwable t)
      Invoked when computation produces a possibly null value successfully.
      void onSuccess​(V value)
      Invoked when computation produces its potentially null value successfully.

    • Method Detail

      • onSuccess

        void onSuccess​(@Nullable
               V value)
        Invoked when computation produces its potentially null value successfully.

        When this is called, onError(java.lang.Throwable) won't be.

      • onError

        void onError​(java.lang.Throwable t)
        Invoked when computation produces a possibly null value successfully.

        When this is called, onSuccess(V) won't be.