added IQueueMessage and two implementations; GenericQueue now accepts type IQueueMessage

essentials-framework/Essentials Core/PepperDashEssentialsBase/Queues/ProcessStringMessage.cs

@@ -0,0 +1,44 @@
+using System;
+
+namespace PepperDash_Essentials_Core.Queues
+{
+    /// <summary>
+    /// Message class for processing strings via an IQueue
+    /// </summary>
+    public class ProcessStringMessage : IQueueMessage
+    {
+        private readonly Action<string> _action;
+        private readonly string _message;
+
+        /// <summary>
+        /// Constructor
+        /// </summary>
+        /// <param name="message">Message to be processed</param>
+        /// <param name="action">Action to invoke on the message</param>
+        public ProcessStringMessage(string message, Action<string> action)
+        {
+            _message = message;
+            _action = action;
+        }
+
+        /// <summary>
+        /// Processes the string with the given action
+        /// </summary>
+        public void Dispatch()
+        {
+            if (_action == null || String.IsNullOrEmpty(_message))
+                return;
+
+            _action(_message);
+        }
+
+        /// <summary>
+        /// To string
+        /// </summary>
+        /// <returns>The current message</returns>
+        public override string ToString()
+        {
+            return _message ?? String.Empty;
+        }
+    }
+}