Package com.github.ambry.commons

Interface Callback<T>

  • All Known Implementing Classes:
    AccountServiceCallback
    public interface Callback<T>
    A callback interface that the user can implement to allow code to execute when the request is complete. This callback will generally execute in the background I/O thread so it should be fast.

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      void onCompletion​(T result, java.lang.Exception exception)
      The callback method that the user can implement to do asynchronous handling of the response.

    • Method Detail

      • onCompletion

        void onCompletion​(T result,
                  java.lang.Exception exception)
        The callback method that the user can implement to do asynchronous handling of the response. T defines the type of the result. When T=Void then there is no specific response expected but any errors are reported on the exception object. For all other values of T, one of the two arguments would be null.
        Parameters:
        result - The result of the request. This would be non null when the request executed successfully
        exception - The exception that was reported on execution of the request