LivingGraphBase/Relation.cs

   1 using System;
   2 using System.Collections.Generic;
   3 using System.Linq;
   4 using System.Text;
   5
   6 namespace LivingGraphBase
   7 {
   8     public class Relation
   9     {
  10         private Node m_Source;
  11         private Node m_Target;
  12
  13         /// <summary>
  14         /// default constructor
  15         /// </summary>
  16         public Relation()
  17         {
  18             m_Source = new Node();
  19             m_Target = new Node();
  20         }
  21
  22         public Relation(Node source, Node target)
  23         {
  24             if (source == null || target == null)
  25             {
  26                 throw new ArgumentException("source or target node is null");
  27             }
  28             m_Source = source;
  29             m_Target = target;
  30         }
  31
  32         /// <summary>
  33         /// Get or set the source node
  34         /// </summary>
  35         public Node Source
  36         {
  37             get { return m_Source;  }
  38             set { m_Source = value; }
  39         }
  40         /// <summary>
  41         /// Get or set the target node
  42         /// </summary>
  43         public Node Target
  44         {
  45             get { return m_Target; }
  46             set { m_Target = value; }
  47         }
  48     }
  49 }