| // 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.Collections.Generic; |
| using System.Threading.Tasks; |
| using Org.Apache.REEF.Tang.Annotations; |
| |
| namespace Org.Apache.REEF.Client.Yarn.RestClient |
| { |
| [DefaultImplementation(typeof(YarnConfigurationUrlProvider))] |
| public interface IUrlProvider |
| { |
| /// <summary> |
| /// Returns list of available Yarn resourcemanager addresses for the environment |
| /// For environments with single endpoint/single RM this will be list of size 1. |
| /// For environments with multiple RMs with different endpoints this is list of all |
| /// RMs. Client will try all endpoints until successful/the list is exhausted. |
| /// </summary> |
| /// <returns></returns> |
| Task<IEnumerable<Uri>> GetUrlAsync(); |
| } |
| } |