AMQNET-637 NMS 2.0 - As discussed during development, just keep the T…

…ask based async and remove the completion listener style, its in keeping with intent of JMS 2.0 but with modern.NET async style.

src/nms-api/IMessageProducer.cs

@@ -20,8 +20,6 @@
 
 namespace Apache.NMS
 {
-    public delegate void CompletionListener(IMessage message, Exception e);
-
 
     /// <summary>
     /// A delegate that a client can register that will be called each time a Producer's send method is
@@ -60,28 +58,6 @@ public interface IMessageProducer : System.IDisposable
         void Send(IDestination destination, IMessage message, MsgDeliveryMode deliveryMode, MsgPriority priority,
             TimeSpan timeToLive);
 
-        /// <summary>
-        /// Sends the message to the default destination for this producer
-        /// </summary>
-        void Send(IMessage message, CompletionListener completionListener);
-
-        /// <summary>
-        /// Sends the message to the default destination with the explicit QoS configuration
-        /// </summary>
-        void Send(IMessage message, MsgDeliveryMode deliveryMode, MsgPriority priority, TimeSpan timeToLive,
-            CompletionListener completionListener);
-
-        /// <summary>
-        /// Sends the message to the given destination
-        /// </summary>
-        void Send(IDestination destination, IMessage message, CompletionListener completionListener);
-
-        /// <summary>
-        /// Sends the message to the given destination with the explicit QoS configuration
-        /// </summary>
-        void Send(IDestination destination, IMessage message, MsgDeliveryMode deliveryMode, MsgPriority priority,
-            TimeSpan timeToLive, CompletionListener completionListener);
-
         /// <summary>
         /// Sends the message to the default destination for this producer
         /// </summary>

src/nms-api/INMSProducer.cs

@@ -47,8 +47,6 @@ public interface INMSProducer : System.IDisposable
 
         Task<INMSProducer> SendAsync(IDestination destination, object body);
 
-        CompletionListener CompletionListener { get; set; }
-
         /// <summary>
         /// Provides access to the message properties (headers).
         /// </summary>
@@ -100,8 +98,6 @@ public interface INMSProducer : System.IDisposable
 
         //Method chaining setters
         //Allows message delivery options, headers, and properties to be configured using method chaining
-        INMSProducer SetCompletionListener(CompletionListener completionListener);
-
         INMSProducer SetDeliveryDelay(TimeSpan deliveryDelay);
 
         INMSProducer SetTimeToLive(TimeSpan timeToLive);