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Technosoftware/DaAeHdaClient/OpcSpecification.cs

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+#region Copyright (c) 2011-2023 Technosoftware GmbH. All rights reserved
+//-----------------------------------------------------------------------------
+// Copyright (c) 2011-2023 Technosoftware GmbH. All rights reserved
+// Web: https://www.technosoftware.com 
+// 
+// The source code in this file is covered under a dual-license scenario:
+//   - Owner of a purchased license: SCLA 1.0
+//   - GPL V3: everybody else
+//
+// SCLA license terms accompanied with this source code.
+// See SCLA 1.0: https://technosoftware.com/license/Source_Code_License_Agreement.pdf
+//
+// GNU General Public License as published by the Free Software Foundation;
+// version 3 of the License are accompanied with this source code.
+// See https://technosoftware.com/license/GPLv3License.txt
+//
+// This source code 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.
+//-----------------------------------------------------------------------------
+#endregion Copyright (c) 2011-2023 Technosoftware GmbH. All rights reserved
+
+#region Using Directives
+using System;
+#endregion
+
+namespace Technosoftware.DaAeHdaClient
+{
+    /// <summary>
+    /// A description of an interface version defined by an OPC specification.
+    /// </summary>
+    [Serializable]
+    public struct OpcSpecification
+    {
+        #region Constants
+        /// <summary>OPC Alarms&amp;Events 1.0 and OPC ALarms&amp;Events 1.1.</summary>
+        public static readonly OpcSpecification OPC_AE_10 = new OpcSpecification("58E13251-AC87-11d1-84D5-00608CB8A7E9", "Alarms and Event 1.XX");
+
+        /// <summary>OPC Data Access 1.0.</summary>
+        public static readonly OpcSpecification OPC_DA_10 = new OpcSpecification("63D5F430-CFE4-11d1-B2C8-0060083BA1FB", "Data Access 1.0a");
+        /// <summary>OPC Data Access 2.0.</summary>
+        public static readonly OpcSpecification OPC_DA_20 = new OpcSpecification("63D5F432-CFE4-11d1-B2C8-0060083BA1FB", "Data Access 2.XX");
+        /// <summary>OPC Data Access 3.0.</summary>
+        public static readonly OpcSpecification OPC_DA_30 = new OpcSpecification("CC603642-66D7-48f1-B69A-B625E73652D7", "Data Access 3.00");
+        /// <summary>OPC XML-DA 1.0.</summary>
+        public static readonly OpcSpecification XML_DA_10 = new OpcSpecification("3098EDA4-A006-48b2-A27F-247453959408", "XML Data Access 1.00");
+
+        /// <summary>OPC Historical Data Access 1.0.</summary>
+        public static readonly OpcSpecification OPC_HDA_10 = new OpcSpecification("7DE5B060-E089-11d2-A5E6-000086339399", "Historical Data Access 1.XX");
+        #endregion
+
+        #region Fields
+        private string id_;
+        private string description_;
+        #endregion
+
+        #region Constructors, Destructor, Initialization
+        /// <summary>
+        /// Initializes the object with the description and a GUID as a string.
+        /// </summary>
+        public OpcSpecification(string id, string description)
+        {
+            id_ = id;
+            description_ = description;
+        }
+        #endregion
+
+        #region Properties
+        /// <summary>
+        /// The unique identifier for the interface version. 
+        /// </summary>
+        public string Id
+        {
+            get => id_;
+            set => id_ = value;
+        }
+
+        /// <summary>
+        /// The human readable description for the interface version.
+        /// </summary>
+        public string Description
+        {
+            get => description_;
+            set => description_ = value;
+        }
+        #endregion
+
+        #region Public Methods
+        /// <summary>
+        /// Returns true if the objects are equal.
+        /// </summary>
+        public static bool operator ==(OpcSpecification a, OpcSpecification b)
+        {
+            return a.Equals(b);
+        }
+
+        /// <summary>
+        /// Returns true if the objects are not equal.
+        /// </summary>
+        public static bool operator !=(OpcSpecification a, OpcSpecification b)
+        {
+            return !a.Equals(b);
+        }
+        #endregion
+
+        #region Object Member Overrides
+        /// <summary>
+        /// Determines if the object is equal to the specified value.
+        /// </summary>
+        public override bool Equals(object target)
+        {
+            if (target != null && (target is OpcSpecification))
+            {
+                return (Id == ((OpcSpecification)target).Id);
+            }
+
+            return false;
+        }
+
+        /// <summary>
+        /// Converts the object to a string used for display.
+        /// </summary>
+        public override string ToString()
+        {
+            return Description;
+        }
+
+        /// <summary>
+        /// Returns a suitable hash code for the result.
+        /// </summary>
+        public override int GetHashCode()
+        {
+            return (Id != null) ? Id.GetHashCode() : base.GetHashCode();
+        }
+        #endregion
+    }
+}