Samples Reappend

Libraries/h-opc/Common/Node.cs

@@ -0,0 +1,48 @@
+using System.Collections.Generic;
+
+namespace Hylasoft.Opc.Common
+{
+  /// <summary>
+  /// Base class representing a node on the OPC server
+  /// </summary>
+  public abstract class Node
+  {
+    /// <summary>
+    /// Gets the displayed name of the node
+    /// </summary>
+    public string Name { get; protected set; }
+
+    /// <summary>
+    /// Gets the dot-separated fully qualified tag of the node
+    /// </summary>
+    public string Tag { get; protected set; }
+
+    /// <summary>
+    /// Gets the parent node. If the node is root, returns null
+    /// </summary>
+    public Node Parent { get; private set; }
+
+    /// <summary>
+    /// Creates a new node
+    /// </summary>
+    /// <param name="name">the name of the node</param>
+    /// <param name="parent">The parent node</param>
+    protected Node(string name, Node parent = null)
+    {
+      Name = name;
+      Parent = parent;
+      if (parent != null && !string.IsNullOrEmpty(parent.Tag))
+        Tag = parent.Tag + '.' + name;
+      else
+        Tag = name;
+    }
+
+    /// <summary>
+    /// Overrides ToString()
+    /// </summary>
+    public override string ToString()
+    {
+      return Tag;
+    }
+  }
+}