Interface FutureCallback<V extends @Nullable Object>

@GwtCompatible public interface FutureCallback<V extends @Nullable Object>
A callback for accepting the results of a Future computation asynchronously.

To attach to a ListenableFuture use Futures.addCallback(com.google.common.util.concurrent.ListenableFuture<V>, com.google.common.util.concurrent.FutureCallback<? super V>, java.util.concurrent.Executor).

Since:
10.0
Author:
Anthony Zana

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    onFailure(Throwable t)
    Invoked when a Future computation fails or is canceled.
    void
    onSuccess(V result)
    Invoked with the result of the Future computation when it is successful.

  • Method Details

    • onSuccess

      void onSuccess(V result)
      Invoked with the result of the Future computation when it is successful.

    • onFailure

      void onFailure(Throwable t)
      Invoked when a Future computation fails or is canceled.

      If the future's get method throws an ExecutionException, then the cause is passed to this method. Any other thrown object is passed unaltered.