115 lines
3.7 KiB
C#
115 lines
3.7 KiB
C#
#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;
|
|
using System.Text;
|
|
#endregion
|
|
|
|
namespace Technosoftware.DaAeHdaClient
|
|
{
|
|
/// <summary>
|
|
/// A unique item identifier.
|
|
/// </summary>
|
|
[Serializable]
|
|
public class OpcItem : ICloneable
|
|
{
|
|
#region Constructors, Destructor, Initialization
|
|
/// <summary>
|
|
/// Initializes the object with default values.
|
|
/// </summary>
|
|
public OpcItem() { }
|
|
|
|
/// <summary>
|
|
/// Initializes the object with the specified item name.
|
|
/// </summary>
|
|
public OpcItem(string itemName)
|
|
{
|
|
ItemPath = null;
|
|
ItemName = itemName;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Initializes the object with the specified item path and item name.
|
|
/// </summary>
|
|
public OpcItem(string itemPath, string itemName)
|
|
{
|
|
ItemPath = itemPath;
|
|
ItemName = itemName;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Initializes the object with the specified item identifier.
|
|
/// </summary>
|
|
public OpcItem(OpcItem itemId)
|
|
{
|
|
if (itemId != null)
|
|
{
|
|
ItemPath = itemId.ItemPath;
|
|
ItemName = itemId.ItemName;
|
|
ClientHandle = itemId.ClientHandle;
|
|
ServerHandle = itemId.ServerHandle;
|
|
}
|
|
}
|
|
#endregion
|
|
|
|
#region Properties
|
|
/// <summary>
|
|
/// The primary identifier for an item within the server namespace.
|
|
/// </summary>
|
|
public string ItemName { get; set; }
|
|
|
|
/// <summary>
|
|
/// An secondary identifier for an item within the server namespace.
|
|
/// </summary>
|
|
public string ItemPath { get; set; }
|
|
|
|
/// <summary>
|
|
/// A unique item identifier assigned by the client.
|
|
/// </summary>
|
|
public object ClientHandle { get; set; }
|
|
|
|
/// <summary>
|
|
/// A unique item identifier assigned by the server.
|
|
/// </summary>
|
|
public object ServerHandle { get; set; }
|
|
|
|
/// <summary>
|
|
/// Create a string that can be used as index in a hash table for the item.
|
|
/// </summary>
|
|
public string Key =>
|
|
new StringBuilder(64)
|
|
.Append(ItemName ?? "null")
|
|
.Append(Environment.NewLine)
|
|
.Append(ItemPath ?? "null")
|
|
.ToString();
|
|
#endregion
|
|
|
|
#region ICloneable Members
|
|
/// <summary>
|
|
/// Creates a shallow copy of the object.
|
|
/// </summary>
|
|
public virtual object Clone() { return MemberwiseClone(); }
|
|
#endregion
|
|
}
|
|
}
|