| // 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.Tang.Implementations.Tang; |
| using Org.Apache.REEF.Tang.Interface; |
| |
| namespace Org.Apache.REEF.Common.Evaluator.DriverConnectionConfigurationProviders |
| { |
| /// <summary> |
| /// A helper <see cref="IDriverReconnConfigProvider"/> that binds <see cref="IDriverConnection"/> |
| /// dynamically. This is used such that a <see cref="IDriverReconnConfigProvider"/> can |
| /// be used to provide the type of <see cref="IDriverConnection"/> to the Evaluator if the user only |
| /// binds the deprecated <see cref="IDriverConnection"/> optional implementation, instead of the |
| /// new <see cref="IDriverReconnConfigProvider"/> implementation. |
| /// TODO[JIRA REEF-1306]: Remove. |
| /// </summary> |
| internal sealed class DynamicDriverReconnConfigProvider : IDriverReconnConfigProvider |
| { |
| private readonly Type _driverReconnectionType; |
| |
| internal DynamicDriverReconnConfigProvider(Type type) |
| { |
| _driverReconnectionType = type; |
| if (!typeof(IDriverConnection).IsAssignableFrom(type)) |
| { |
| throw new ArgumentException("The type must be a subclass of IDriverConnection."); |
| } |
| } |
| |
| /// <summary> |
| /// A configuration where the type of <see cref="IDriverConnection"/> is bound dynamically. |
| /// </summary> |
| public IConfiguration GetConfiguration() |
| { |
| return TangFactory.GetTang().NewConfigurationBuilder() |
| .BindImplementation(typeof(IDriverConnection), _driverReconnectionType) |
| .Build(); |
| } |
| } |
| } |