Introduce IApplicationNameAccessor

framework/src/Volo.Abp.Core/Microsoft/Extensions/DependencyInjection/ServiceCollectionApplicationExtensions.cs

@@ -43,6 +43,6 @@ public static class ServiceCollectionApplicationExtensions
     [CanBeNull]
     public static string GetApplicationName(this IServiceCollection services)
     {
-        return services.GetSingletonInstance<IAbpApplication>().ApplicationName;
+        return services.GetSingletonInstance<IApplicationNameAccessor>().ApplicationName;
     }
 }

framework/src/Volo.Abp.Core/Volo/Abp/AbpApplicationBase.cs

@@ -47,6 +47,7 @@ public abstract class AbpApplicationBase : IAbpApplication
         ApplicationName = options.ApplicationName;
 
         services.AddSingleton<IAbpApplication>(this);
+        services.AddSingleton<IApplicationNameAccessor>(this);
         services.AddSingleton<IModuleContainer>(this);
 
         services.AddCoreServices();

framework/src/Volo.Abp.Core/Volo/Abp/IAbpApplication.cs

@@ -5,7 +5,10 @@ using Volo.Abp.Modularity;
 
 namespace Volo.Abp;
 
-public interface IAbpApplication : IModuleContainer, IDisposable
+public interface IAbpApplication :
+    IModuleContainer,
+    IApplicationNameAccessor,
+    IDisposable
 {
     /// <summary>
     /// Type of the startup (entrance) module of the application.
@@ -23,14 +26,7 @@ public interface IAbpApplication : IModuleContainer, IDisposable
     /// This can not be used before initialize the application.
     /// </summary>
     IServiceProvider ServiceProvider { get; }
-    
-    /// <summary>
-    /// Name of the application.
-    /// This is useful for systems with multiple applications, to distinguish
-    /// resources of the applications located together.
-    /// </summary>
-    string ApplicationName { get; }
-    
+
     /// <summary>
     /// Calls the Pre/Post/ConfigureServicesAsync methods of the modules.
     /// If you use this method, you must have set the <see cref="AbpApplicationCreationOptions.SkipConfigureServices"/>
@@ -47,4 +43,4 @@ public interface IAbpApplication : IModuleContainer, IDisposable
     /// Used to gracefully shutdown the application and all modules.
     /// </summary>
     void Shutdown();
-}
+}

framework/src/Volo.Abp.Core/Volo/Abp/IApplicationNameAccessor.cs

@@ -0,0 +1,11 @@
+namespace Volo.Abp;
+
+public interface IApplicationNameAccessor
+{
+    /// <summary>
+    /// Name of the application.
+    /// This is useful for systems with multiple applications, to distinguish
+    /// resources of the applications located together.
+    /// </summary>
+    string ApplicationName { get; }
+}

framework/test/Volo.Abp.Core.Tests/Volo/Abp/AbpApplication_Initialize_Tests.cs

@@ -156,6 +156,13 @@ public class AbpApplication_Initialize_Tests
         {
             application.ApplicationName.ShouldBe(applicationName);
             application.Services.GetApplicationName().ShouldBe(applicationName);
+            
+            application.Initialize();
+            
+            application.ServiceProvider
+                .GetRequiredService<IApplicationNameAccessor>()
+                .ApplicationName
+                .ShouldBe(applicationName);
         }
     }