Umbraco-CMS/src/Umbraco.Core/Cache/CacheRefresherNotificationFactory.cs

using System;
using Umbraco.Cms.Core.Notifications;
using Umbraco.Extensions;
using Umbraco.Cms.Core.Sync;

namespace Umbraco.Cms.Core.Cache
{
    /// <summary>
    /// A <see cref="ICacheRefresherNotificationFactory"/> that uses ActivatorUtilities to create the <see cref="CacheRefresherNotification"/> instances
    /// </summary>
    public sealed class CacheRefresherNotificationFactory : ICacheRefresherNotificationFactory
    {
        private readonly IServiceProvider _serviceProvider;

        public CacheRefresherNotificationFactory(IServiceProvider serviceProvider) => _serviceProvider = serviceProvider;

        /// <summary>
        /// Create a <see cref="CacheRefresherNotification"/> using ActivatorUtilities
        /// </summary>
        /// <typeparam name="TNotification">The <see cref="CacheRefresherNotification"/> to create</typeparam>
        public TNotification Create<TNotification>(object msgObject, MessageType type) where TNotification : CacheRefresherNotification
            => _serviceProvider.CreateInstance<TNotification>(new object[] { msgObject, type });
    }
}