[DW] Flex4Grid deleted

[NF] BosMon Mqtt Plugin created
2018-03-31 20:42:28 +00:00
commit ede25d06ae
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+/*
+M2Mqtt - MQTT Client Library for .Net
+Copyright (c) 2014, Paolo Patierno, All rights reserved.
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 3.0 of the License, or (at your option) any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library.
+*/
+
+using System;
+using System.Collections;
+
+namespace uPLibrary.Networking.M2Mqtt
+{
+    /// <summary>
+    /// Extension class for a Queue
+    /// </summary>
+    internal static class QueueExtension
+    {
+        /// <summary>
+        /// Predicate for searching inside a queue
+        /// </summary>
+        /// <param name="item">Item of the queue</param>
+        /// <returns>Result of predicate</returns>
+        internal delegate bool QueuePredicate(object item);
+
+        /// <summary>
+        /// Get (without removing) an item from queue based on predicate
+        /// </summary>
+        /// <param name="queue">Queue in which to search</param>
+        /// <param name="predicate">Predicate to verify to get item</param>
+        /// <returns>Item matches the predicate</returns>
+        internal static object Get(Queue queue, QueuePredicate predicate)
+        {
+            foreach (var item in queue)
+            {
+                if (predicate(item))
+                    return item;
+            }
+            return null;
+        }
+    }
+}