initial commit for .net 8 migration

PoweredSoft.CQRS.Abstractions/Attributes/CommandNameAttribute.cs

@@ -1,10 +1,8 @@
 using System;
-using System.Collections.Generic;
-using System.Text;
 
 namespace PoweredSoft.CQRS.Abstractions.Attributes
 {
-    [AttributeUsage(AttributeTargets.Class, Inherited = false, AllowMultiple = false)]
+    [AttributeUsage(AttributeTargets.Class, Inherited = false)]
     public class CommandNameAttribute : Attribute
     {
         public CommandNameAttribute(string name)

PoweredSoft.CQRS.Abstractions/Attributes/QueryNameAttribute.cs

@@ -2,7 +2,7 @@
 
 namespace PoweredSoft.CQRS.Abstractions.Attributes
 {
-    [AttributeUsage(AttributeTargets.Class, Inherited = false, AllowMultiple = false)]
+    [AttributeUsage(AttributeTargets.Class, Inherited = false)]
     public class QueryNameAttribute : Attribute
     {
         public QueryNameAttribute(string name)

PoweredSoft.CQRS.Abstractions/Discovery/IQueryDiscovery.cs

@@ -1,6 +1,5 @@
 using System;
 using System.Collections.Generic;
-using System.Text;
 
 namespace PoweredSoft.CQRS.Abstractions.Discovery
 {

PoweredSoft.CQRS.Abstractions/Discovery/IQueryMeta.cs

@@ -1,7 +1,4 @@
 using System;
-using System.Collections.Generic;
-using System.Reflection;
-using System.Text;
 
 namespace PoweredSoft.CQRS.Abstractions.Discovery
 {

PoweredSoft.CQRS.Abstractions/ICommandHandler.cs

@@ -1,16 +1,15 @@
-using System;
-using System.Threading;
+using System.Threading;
 using System.Threading.Tasks;
 
 namespace PoweredSoft.CQRS.Abstractions
 {
-    public interface ICommandHandler<TCommand>
+    public interface ICommandHandler<in TCommand>
         where TCommand : class
     {
         Task HandleAsync(TCommand command, CancellationToken cancellationToken = default);
     }
 
-    public interface ICommandHandler<TCommand, TCommandResult>
+    public interface ICommandHandler<in TCommand, TCommandResult>
         where TCommand : class
     {
         Task<TCommandResult> HandleAsync(TCommand command, CancellationToken cancellationToken = default);

PoweredSoft.CQRS.Abstractions/IQueryHandler.cs

@@ -3,7 +3,7 @@ using System.Threading.Tasks;
 
 namespace PoweredSoft.CQRS.Abstractions
 {
-    public interface IQueryHandler<TQuery, TQueryResult>
+    public interface IQueryHandler<in TQuery, TQueryResult>
         where TQuery : class
     {
         Task<TQueryResult> HandleAsync(TQuery query, CancellationToken cancellationToken = default);

PoweredSoft.CQRS.Abstractions/PoweredSoft.CQRS.Abstractions.csproj

@@ -1,13 +1,13 @@
 <Project Sdk="Microsoft.NET.Sdk">
-
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFramework>netstandard2.1</TargetFramework>
     <Copyright>Powered Softwares Inc.</Copyright>
     <PackageIconUrl>https://secure.gravatar.com/avatar/4e32f73820c16718909a06c2927f1f8b?s=512&amp;amp;r=g&amp;amp;d=retro</PackageIconUrl>
     <Company>PoweredSoft</Company>
     <Authors>PoweredSoft Team</Authors>
   </PropertyGroup>
+  
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="3.1.0" />
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="8.0.0-rc.1.23419.4" />
   </ItemGroup>
 </Project>

PoweredSoft.CQRS.Abstractions/ServiceCollectionExtensions.cs

@@ -1,8 +1,5 @@
 using Microsoft.Extensions.DependencyInjection;
 using PoweredSoft.CQRS.Abstractions.Discovery;
-using System;
-using System.Collections.Generic;
-using System.Text;
 
 namespace PoweredSoft.CQRS.Abstractions
 {