Batch Publish Missing Items

Addition of API items for BatchPublish

Author: YulerB

projects/client/RabbitMQ.Client/src/client/api/IModel.cs

@@ -226,6 +226,11 @@ string BasicConsume(
         void BasicPublish(string exchange, string routingKey, bool mandatory,
             IBasicProperties basicProperties, byte[] body);
 
+        [AmqpMethodDoNotImplement(null)]
+        void BasicBatchPublish(string exchange, string routingKey, bool mandatory,
+           IEnumerable<BatchMessage> messages);
+
+
         /// <summary>
         /// Configures QoS parameters of the Basic content-class.
         /// </summary>
@@ -552,4 +557,8 @@ void QueueDeclareNoWait(string queue, bool durable,
         /// </summary>
         TimeSpan ContinuationTimeout { get; set; }
     }
+    public class BatchMessage{
+        public byte[] Body { get; set; }
+        public IBasicProperties basicProperties { get; set; }
+        }
 }

projects/client/RabbitMQ.Client/src/client/api/IModelExtensions.cs

@@ -103,6 +103,10 @@ public static void BasicPublish(this IModel model, string exchange, string routi
         {
             model.BasicPublish(exchange, routingKey, false, basicProperties, body);
         }
+        public static void BasicBatchPublish(this IModel model, string exchange, string routingKey, IEnumerable<BatchMessage> messages)
+        {
+            model.BasicBatchPublish(exchange, routingKey, false, messages);
+        }
 
         /// <summary>
         /// (Spec method) Convenience overload of BasicPublish.