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//------------------------------------------------------------------------------
// <copyright file="ServiceCollectionExtensions.cs"
// company="Scott Dorman"
// library="Cadru">
// Copyright (C) 2001-2020 Scott Dorman.
// </copyright>
//
// <license>
// Licensed under the Microsoft Public License (Ms-PL) (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://opensource.org/licenses/Ms-PL.html
//
// 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.
// </license>
//------------------------------------------------------------------------------
using Cadru.Contracts;
using Microsoft.Extensions.DependencyInjection;
using Polly.Registry;
namespace Cadru.Polly
{
/// <summary>
/// Extension methods for setting up
/// <see href="https://github.com/App-vNext/Polly">Polly</see> services in
/// an <see cref="IServiceCollection"/>.
/// </summary>
public static class ServiceCollectionExtensions
{
/// <summary>
/// Adds a <see cref="PolicyRegistry"/> instance to the specified <see cref="IServiceCollection"/>.
/// </summary>
/// <param name="services">
/// The <see cref="IServiceCollection"/> to add services to.
/// </param>
/// <returns>
/// The <see cref="IServiceCollection"/> so that additional calls can be chained.
/// </returns>
public static IPolicyRegistry<string> AddPollyRegistry(this IServiceCollection services)
{
Requires.NotNull(services, nameof(services));
var registry = new PolicyRegistry();
services.AddSingleton<IPolicyRegistry<string>>(registry);
services.AddSingleton<IReadOnlyPolicyRegistry<string>>(registry);
return registry;
}
}
}