| // 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. |
| |
| using System; |
| using System.Threading; |
| using Org.Apache.REEF.Common.Tasks; |
| using Org.Apache.REEF.Tang.Annotations; |
| using Org.Apache.REEF.Utilities.Logging; |
| using Org.Apache.REEF.Common.Tasks.Events; |
| |
| namespace Org.Apache.REEF.Tests.Functional.Failure |
| { |
| internal sealed class SleepTask : ITask, IObserver<ICloseEvent> |
| { |
| private static readonly Logger Logger = Logger.GetLogger(typeof(SleepTask)); |
| private const string Prefix = "Poison: "; |
| |
| [Inject] |
| private SleepTask() |
| { |
| } |
| |
| public void Dispose() |
| { |
| } |
| |
| public byte[] Call(byte[] memento) |
| { |
| Logger.Log(Level.Info, Prefix + "Will sleep for 2 seconds (expecting to be poisoned faster)."); |
| Thread.Sleep(2000); |
| Logger.Log(Level.Info, Prefix + "Task sleep finished successfully."); |
| return null; |
| } |
| |
| public void OnNext(ICloseEvent value) |
| { |
| // handler for forceful shutdown in case of evaluator failure |
| // (to prevent throwing TaskCloseHandlerNotBoundException) |
| Logger.Log(Level.Info, Prefix + "Task stopped"); |
| } |
| |
| public void OnCompleted() |
| { |
| throw new NotImplementedException(); |
| } |
| |
| public void OnError(Exception error) |
| { |
| throw new NotImplementedException(); |
| } |
| } |
| } |