| // 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.Tasks; |
| using Org.Apache.REEF.Utilities.Logging; |
| |
| namespace Org.Apache.REEF.Utilities.AsyncUtils |
| { |
| /// <summary> |
| /// Logging helpers for TPL |
| /// </summary> |
| public static class LoggingHelper |
| { |
| /// <summary> |
| /// Logs the and then ignores the exceptions thrown from the task if any. |
| /// </summary> |
| /// <param name="self">The task itself</param> |
| /// <param name="logger">Logger to log against</param> |
| /// <param name="msg">Optional message to be included</param> |
| /// <param name="logLevel">Optional parameter to set log level</param> |
| public static void LogAndIgnoreExceptionIfAny(this Task self, Logger logger, string msg = "", Level logLevel = Level.Error) |
| { |
| self.ContinueWith(t => |
| { |
| var message = string.IsNullOrWhiteSpace(msg) ? string.Empty : msg + " "; |
| |
| // ReSharper disable once PossibleNullReferenceException ; We know the task is Faulted |
| logger.Log(logLevel, "{0}Exception: {1}", message, t.Exception.GetBaseException()); |
| }, |
| TaskContinuationOptions.OnlyOnFaulted | TaskContinuationOptions.ExecuteSynchronously); |
| } |
| } |
| } |