| // 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 Org.Apache.REEF.Common.Context; |
| using Org.Apache.REEF.Tang.Annotations; |
| using Org.Apache.REEF.Utilities; |
| using Org.Apache.REEF.Utilities.Diagnostics; |
| using Org.Apache.REEF.Utilities.Logging; |
| |
| namespace Org.Apache.REEF.Tests.Functional.Messaging |
| { |
| /// <summary> |
| /// A Context event handler class that generates context messages for the Driver |
| /// and receives context messages from the Driver for testing. |
| /// </summary> |
| public sealed class TestContextMessageSourceAndHandler : IContextMessageHandler, IContextMessageSource |
| { |
| private static readonly Logger Logger = Logger.GetLogger(typeof(TestContextMessageSourceAndHandler)); |
| |
| public const string MessageSend = "MESSAGE:CONTEXT"; |
| |
| public const string MessageSourceID = "ContextMessageSourceID"; |
| |
| public const string MessageSentToDriverLog = "Message sent to Driver from Context."; |
| public const string MessageReceivedFromDriverLog = "Message received from Driver in Context."; |
| |
| private readonly TestMessageEventManager _messageManager; |
| |
| [Inject] |
| private TestContextMessageSourceAndHandler(TestMessageEventManager messageManager) |
| { |
| _messageManager = messageManager; |
| } |
| |
| public Optional<ContextMessage> Message |
| { |
| get |
| { |
| Logger.Log(Level.Info, MessageSentToDriverLog); |
| _messageManager.OnContextMessageSent(); |
| |
| return Optional<ContextMessage>.Of( |
| ContextMessage.From(MessageSourceID, ByteUtilities.StringToByteArrays(MessageSend))); |
| } |
| } |
| |
| public void OnNext(byte[] messageBytes) |
| { |
| var message = ByteUtilities.ByteArraysToString(messageBytes); |
| |
| if (!message.Equals(MessageDriver.Message)) |
| { |
| Exceptions.Throw( |
| new Exception("Unexpected driver message: " + message), |
| "Unexpected driver message received: " + message, |
| Logger); |
| } |
| else |
| { |
| Logger.Log(Level.Info, MessageReceivedFromDriverLog); |
| } |
| } |
| |
| public void OnError(Exception error) |
| { |
| throw new NotImplementedException(); |
| } |
| |
| public void OnCompleted() |
| { |
| throw new NotImplementedException(); |
| } |
| } |
| } |