DESIGN: POC Implementation v2.

ServiceProvider instantiation when registering with no DI.
Adds AbstractionProvider.
#10

STX.SPAL.Providers.Abstractions/IAbstractionProvider.cs

@@ -0,0 +1,27 @@
+// ----------------------------------------------------------------------------------
+// Copyright (c) The Standard Organization: A coalition of the Good-Hearted Engineers
+// ----------------------------------------------------------------------------------
+
+using STX.SPAL.Abstractions;
+using System;
+using System.Threading.Tasks;
+
+namespace STX.SPAL.Providers.Abstractions
+{
+    public interface IAbstractionProvider<T> where T : ISPALProvider
+    {
+        T GetProvider();
+
+        void UseProvider(string spalId = null);
+        void UseProvider(Type concreteProviderType = null, string spalId = null);
+        void UseProvider<TConcreteProviderType>(string spalId = null) where TConcreteProviderType : T;
+
+        void Invoke<TResult>(Action<T> spalFunction);
+        void InvokeWithProvider<TConcreteProviderType, TResult>(Action<T> spalFunction) where TConcreteProviderType : T;
+
+        TResult Invoke<TResult>(Func<T, TResult> spalFunction);
+        ValueTask InvokeAsync<TResult>(Func<T, ValueTask> spalFunction);
+        ValueTask<TResult> InvokeAsync<TResult>(Func<T, ValueTask<TResult>> spalFunction);
+
+    }
+}

STX.SPAL.Providers.Abstractions/STX.SPAL.Providers.Abstractions.csproj

@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>disable</ImplicitUsings>
+    <Nullable>disable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\STX.SPAL.Abstractions\STX.SPAL.Abstractions.csproj" />
+  </ItemGroup>
+
+</Project>

STX.SPAL.Providers/AbstractionProvider.Exceptions.cs

@@ -0,0 +1,29 @@
+// ----------------------------------------------------------------------------------
+// Copyright (c) The Standard Organization: A coalition of the Good-Hearted Engineers
+// ----------------------------------------------------------------------------------
+
+using System;
+
+namespace STX.SPAL.Providers
+{
+    internal partial class AbstractionProvider<T>
+    {
+        private static TResult TryCatch<TResult>(
+           Func<TResult> function)
+        {
+            try
+            {
+                return function();
+            }
+
+            catch (InvalidOperationException invalidOperationException)
+            {
+                throw;
+            }
+            catch (Exception exception)
+            {
+                throw;
+            }
+        }
+    }
+}