| /* |
| * 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 Lucene.Net.Codecs; |
| using Lucene.Net.Configuration; |
| using Lucene.Net.Util; |
| using Microsoft.Extensions.Configuration; |
| using Microsoft.Extensions.DependencyInjection; |
| using System; |
| using System.Collections.Generic; |
| |
| /// <summary> |
| /// An example demonstrating the use of Microsoft.Extensions.DependencyInjection |
| /// to inject services into Lucene.NET during testing. |
| /// </summary> |
| public class Startup : LuceneTestFrameworkInitializer |
| { |
| protected override void TestFrameworkSetUp() |
| { |
| // Composition root |
| |
| // This example closely follows the dependency injection example here: |
| // https://docs.microsoft.com/en-us/archive/msdn-magazine/2016/june/essential-net-dependency-injection-with-net-core |
| IServiceCollection serviceCollection = new ServiceCollection(); |
| IConfigurationBuilder configurationBuilder = new ConfigurationBuilder() |
| .AddInMemoryCollection(new Dictionary<string, string> |
| { |
| ["foo"] = "fooValue", |
| ["bar"] = "barValue", |
| ["baz"] = "bazValue" |
| }); |
| ConfigureServices(serviceCollection, configurationBuilder); |
| IServiceProvider services = serviceCollection.BuildServiceProvider(); |
| |
| // Now register factories to use the service provider (DI container) to |
| // resolve references to instances |
| CodecFactory = new ServiceProviderCodecFactory(services); |
| |
| // NOTE: The pattern for configuring custom factories to retrieve |
| // custom DocValuesFormat and PostingsFormat classes is similar to the |
| // CodecFactory above, however they are registered using the |
| // DocValuesFormatFactory and PostingsFormatFactory properties, respectively. |
| |
| |
| // WARNING: ConfigurationFactory injection is provided for end users to be able to |
| // add their own configuration sources if so inclined. These settings are global |
| // to the test framework and are intended to configure the test environment itself. |
| // There is no way to "reset" configuration settings in one test without polluting the |
| // configuration state of other tests. Therefore, it is recommended to design all tests |
| // to run with the same configuration environment settings and to use an alternate |
| // means of injecting per-test configuration settings into tests. |
| ConfigurationFactory = new ServiceProviderConfigurationFactory(services); |
| } |
| |
| public void ConfigureServices(IServiceCollection serviceCollection, IConfigurationBuilder configurationBuilder) |
| { |
| serviceCollection.AddSingleton<IConfiguration>(configurationBuilder.Build()); |
| |
| serviceCollection.AddSingleton<Lucene.Net.Codecs.Lucene46.Lucene46Codec>(); |
| serviceCollection.AddSingleton<MyCodec>(); |
| serviceCollection.AddSingleton<IServiceCollection>(serviceCollection); |
| } |
| } |