Add AsyncUtil.cs

src/Atles.Core/Utilities/AsyncUtil.cs

@@ -0,0 +1,45 @@
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace Atles.Core.Utilities
+{
+    /// <summary>
+    /// Helper class to run async methods within a sync process.
+    /// https://www.ryadel.com/en/asyncutil-c-helper-class-async-method-sync-result-wait/
+    /// </summary>
+    public static class AsyncUtil
+    {
+        private static readonly TaskFactory TaskFactory = new
+            TaskFactory(CancellationToken.None,
+                TaskCreationOptions.None,
+                TaskContinuationOptions.None,
+                TaskScheduler.Default);
+
+        /// <summary>
+        /// Executes an async Task method which has a void return value synchronously
+        /// USAGE: AsyncUtil.RunSync(() => AsyncMethod());
+        /// </summary>
+        /// <param name="task">Task method to execute</param>
+        public static void RunSync(Func<Task> task)
+            => TaskFactory
+                .StartNew(task)
+                .Unwrap()
+                .GetAwaiter()
+                .GetResult();
+
+        /// <summary>
+        /// Executes an async Task<T> method which has a T return type synchronously
+        /// USAGE: T result = AsyncUtil.RunSync(() => AsyncMethod<T>());
+        /// </summary>
+        /// <typeparam name="TResult">Return Type</typeparam>
+        /// <param name="task">Task<T> method to execute</param>
+        /// <returns></returns>
+        public static TResult RunSync<TResult>(Func<Task<TResult>> task)
+            => TaskFactory
+                .StartNew(task)
+                .Unwrap()
+                .GetAwaiter()
+                .GetResult();
+    }
+}