| /** |
| * 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 com.alibaba.jstorm.callback; |
| |
| import backtype.storm.daemon.Shutdownable; |
| |
| /** |
| * Base Runnable/Callback function |
| * |
| * @author yannian |
| * |
| */ |
| public class RunnableCallback implements Runnable, Callback, Shutdownable { |
| |
| @Override |
| public <T> Object execute(T... args) { |
| return null; |
| } |
| |
| public void preRun() { |
| |
| } |
| |
| @Override |
| public void run() { |
| |
| } |
| |
| public void postRun() { |
| |
| } |
| |
| public Exception error() { |
| return null; |
| } |
| |
| public Object getResult() { |
| return null; |
| } |
| |
| public void shutdown() { |
| |
| } |
| |
| public String getThreadName() { |
| return null; |
| } |
| |
| } |