Develop

Source/Euonia.Business/Core/BusinessObject.cs

@@ -632,10 +632,10 @@ public virtual void LoadProperty(IPropertyInfo propertyInfo, object newValue)
         }
         else
         {
-            LoadPropertyByReflection("LoadProperty", propertyInfo, newValue);
+            LoadPropertyByReflection(nameof(LoadProperty), propertyInfo, newValue);
         }
 #else
-		LoadPropertyByReflection("LoadProperty", propertyInfo, newValue);
+		LoadPropertyByReflection(nameof(LoadProperty), propertyInfo, newValue);
 #endif
 	}
 
@@ -649,12 +649,12 @@ public virtual void LoadProperty(IPropertyInfo propertyInfo, object newValue)
 	/// <exception cref="MissingMethodException"></exception>
 	private object LoadPropertyByReflection(string methodName, IPropertyInfo propertyInfo, object newValue)
 	{
-		var t = GetType();
+		var type = GetType();
 		const BindingFlags flags = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance;
-		var method = t.GetMethods(flags).FirstOrDefault(c => c.Name == methodName && c.IsGenericMethod);
+		var method = type.GetMethods(flags).FirstOrDefault(c => c.Name == methodName && c.IsGenericMethod);
 		if (method == null)
 		{
-			throw new MissingMethodException(t.FullName, methodName);
+			throw new MissingMethodException(type.FullName, methodName);
 		}
 
 		var genericMethod = method.MakeGenericMethod(propertyInfo.Type);

Source/Euonia.Business/Core/CommandObject.cs

@@ -5,13 +5,22 @@
 /// </summary>
 /// <typeparam name="T"></typeparam>
 public abstract class CommandObject<T> : BusinessObject<T>, ICommandObject
-    where T : CommandObject<T>
+	where T : CommandObject<T>
 {
-    /// <summary>
-    /// Execute the command.
-    /// </summary>
-    protected internal virtual async Task ExecuteAsync()
-    {
-        await Task.CompletedTask;
-    }
+	/// <summary>
+	/// Execute the command.
+	/// </summary>
+	protected internal virtual Task ExecuteAsync(CancellationToken cancellationToken = default)
+	{
+		return Task.CompletedTask;
+	}
+
+	/// <summary>
+	/// Create new command object.
+	/// </summary>
+	/// <returns></returns>
+	protected internal virtual Task CreateAsync(CancellationToken cancellationToken = default)
+	{
+		return Task.CompletedTask;
+	}
 }