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Technosoftware/DaAeHdaClient/Da/ItemValue.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.Da
+{
+
+	/// <summary>
+	/// Contains the value for a single item.
+	/// </summary>
+	[Serializable]
+	public class TsCDaItemValue : OpcItem
+	{
+		#region Fields
+        private TsCDaQuality daQuality_ = TsCDaQuality.Bad;
+		private DateTime timestamp_ = DateTime.MinValue;
+        #endregion
+
+		#region Constructors, Destructor, Initialization
+        /// <summary>
+		/// Initializes the object with default values.
+		/// </summary>
+		public TsCDaItemValue() { }
+
+		/// <summary>
+		/// Initializes the object with and ItemIdentifier object.
+		/// </summary>
+		public TsCDaItemValue(OpcItem item)
+        {
+            if (item == null)
+            {
+                return;
+            }
+            ItemName = item.ItemName;
+            ItemPath = item.ItemPath;
+            ClientHandle = item.ClientHandle;
+            ServerHandle = item.ServerHandle;
+        }
+
+		/// <summary>
+		/// Initializes the object with the specified item name.
+		/// </summary>
+		public TsCDaItemValue(string itemName)
+			: base(itemName)
+		{
+		}
+
+		/// <summary>
+		/// Initializes object with the specified ItemValue object.
+		/// </summary>
+		public TsCDaItemValue(TsCDaItemValue item)
+			: base(item)
+        {
+            if (item == null)
+            {
+                return;
+            }
+            Value = OpcConvert.Clone(item.Value);
+            Quality = item.Quality;
+            QualitySpecified = item.QualitySpecified;
+            Timestamp = item.Timestamp;
+            TimestampSpecified = item.TimestampSpecified;
+        }
+        #endregion
+
+		#region Properties
+        /// <summary>
+		/// The item value.
+		/// </summary>
+		public object Value { get; set; }
+
+		/// <summary>
+		/// The quality of the item value.
+		/// </summary>
+		public TsCDaQuality Quality
+		{
+			get => daQuality_;
+            set => daQuality_ = value;
+        }
+
+		/// <summary>
+		/// Whether the quality is specified.
+		/// </summary>
+		public bool QualitySpecified { get; set; }
+
+		/// <summary>
+		/// The timestamp for the item value.
+		/// The <see cref="ApplicationInstance.TimeAsUtc">ApplicationInstance.TimeAsUtc</see> property defines
+		/// the time format (UTC or local time).
+		/// </summary>
+		public DateTime Timestamp
+		{
+			get => timestamp_;
+            set => timestamp_ = value;
+        }
+
+		/// <summary>
+		/// Whether the timestamp is specified.
+		/// </summary>
+		public bool TimestampSpecified { get; set; }
+        #endregion
+
+		#region ICloneable Members
+        /// <summary>
+		/// Creates a deep copy of the object.
+		/// </summary>
+		public override object Clone()
+		{
+			var clone = (TsCDaItemValue)MemberwiseClone();
+			clone.Value = OpcConvert.Clone(Value);
+			return clone;
+		}
+        #endregion
+	}
+}