Add Items to the ServiceConfigurationContext.

framework/src/Volo.Abp.Core/Volo/Abp/Modularity/ModuleLoader.cs

@@ -92,6 +92,8 @@ namespace Volo.Abp.Modularity
         protected virtual void ConfigureServices(List<IAbpModuleDescriptor> modules, IServiceCollection services)
         {
             var context = new ServiceConfigurationContext(services);
+            services.AddSingleton(context);
+
             //PreConfigureServices
             foreach (var module in modules.Where(m => m.Instance is IPreConfigureServices))
             {
@@ -104,7 +106,7 @@ namespace Volo.Abp.Modularity
                 module.Instance.ConfigureServices(context);
             }
 
-            //IPostConfigureServices
+            //PostConfigureServices
             foreach (var module in modules.Where(m => m.Instance is IPostConfigureServices))
             {
                 ((IPostConfigureServices)module.Instance).PostConfigureServices(context);

framework/src/Volo.Abp.Core/Volo/Abp/Modularity/ServiceConfigurationContext.cs

@@ -1,4 +1,5 @@
-using JetBrains.Annotations;
+using System.Collections.Generic;
+using JetBrains.Annotations;
 using Microsoft.Extensions.DependencyInjection;
 
 namespace Volo.Abp.Modularity
@@ -7,9 +8,27 @@ namespace Volo.Abp.Modularity
     {
         public IServiceCollection Services { get; }
 
+        public IDictionary<string, object> Items { get; }
+
+        /// <summary>
+        /// Gets/sets arbitrary named objects those can be stored during
+        /// the service registration phase and shared between modules.
+        ///
+        /// This is a shortcut usage of the <see cref="Items"/> dictionary.
+        /// Returns null if given key is not found in the <see cref="Items"/> dictionary.
+        /// </summary>
+        /// <param name="key"></param>
+        /// <returns></returns>
+        public object this[string key]
+        {
+            get => Items.GetOrDefault(key);
+            set => Items[key] = value;
+        }
+
         public ServiceConfigurationContext([NotNull] IServiceCollection services)
         {
             Services = Check.NotNull(services, nameof(services));
+            Items = new Dictionary<string, object>();
         }
     }
 }