本文整理汇总了C#中IConfigurationRoot.GetOrThrow方法的典型用法代码示例。如果您正苦于以下问题：C# IConfigurationRoot.GetOrThrow方法的具体用法？C# IConfigurationRoot.GetOrThrow怎么用？C# IConfigurationRoot.GetOrThrow使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类IConfigurationRoot的用法示例。
在下文中一共展示了IConfigurationRoot.GetOrThrow方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: AddBookStore
/// <summary>
/// Adds an IBookStore implementation to services depending on configuration.
/// </summary>
public static void AddBookStore(this IServiceCollection services,
IConfigurationRoot configuration, ILoggerFactory loggerFactory)
{
var logger = loggerFactory.CreateLogger("AddBookStore");
EntityFrameworkServicesBuilder entityFramework;
// Choose a a backend to store the books.
switch (configuration["Data:BookStore"]?.ToLower())
{
case "sqlserver":
logger.LogInformation("Storing book data in SQL Server.");
entityFramework = services.AddEntityFramework();
string sqlserverConnectionString =
configuration.GetOrThrow("Data:SqlServer:ConnectionString");
entityFramework.AddSqlServer()
.AddDbContext<ApplicationDbContext>(options =>
options.UseSqlServer(sqlserverConnectionString));
services.AddScoped(typeof(IBookStore), typeof(DbBookStore));
break;
case "postgres":
logger.LogInformation("Storing book data in PostgreSql.");
entityFramework = services.AddEntityFramework();
string npgsqlConnectionString =
configuration.GetOrThrow("Data:Npgsql:ConnectionString");
entityFramework.AddNpgsql()
.AddDbContext<ApplicationDbContext>(options =>
options.UseNpgsql(npgsqlConnectionString));
services.AddScoped(typeof(IBookStore), typeof(DbBookStore));
break;
case "datastore":
logger.LogInformation("Storing book data in Datastore.");
services.AddSingleton<IBookStore>((IServiceProvider provider) =>
{
return new DatastoreBookStore(
configuration.GetOrThrow("GOOGLE_PROJECT_ID"));
});
break;
default:
throw new ConfigurationException("No bookstore backend selected.\n" +
"Set the configuration variable Data:BookStore to " +
"one of the following: sqlserver, postgres, datastore.");
}
}