| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.reef.vortex.api; |
| |
| /** |
| * A callback for accepting the results of a {@link VortexFuture} computation asynchronously. |
| * Only one of either {@link FutureCallback#onSuccess} or {@link FutureCallback#onFailure(Throwable)} |
| * will be invoked. |
| * Based on Google Guava's FutureCallback. |
| */ |
| public interface FutureCallback<V> { |
| |
| /** |
| * Invoked with the result of the Tasklet computation on success. |
| * @param result the result. |
| */ |
| void onSuccess(V result); |
| |
| /** |
| * Invoked with the error of the Tasklet computation on failure. |
| * @param t the error. |
| */ |
| void onFailure(Throwable t); |
| } |