/// <summary>
/// Initializes a new graph node.
/// </summary>
/// <param name="id">The specified node id.</param>
/// <param name="value">The specified node value.</param>
/// <param name="graph">The graph that tracks this node.</param>
public GraphNode(NodeId id, T value, GraphDiagram <T, E> graph)
{
if (null == id)
{
throw new ArgumentNullException();
}
if (null == value)
{
throw new ArgumentNullException();
}
if (null == graph)
{
throw new ArgumentNullException();
}
this.id = id;
this.value = value;
this.graph = graph;
}
/// <summary>
/// Initializes a new graph node with a unique id.
/// </summary>
/// <param name="value">The specified node value.</param>
/// <param name="graph">The graph that tracks this node.</param>
public GraphNode(T value, GraphDiagram <T, E> graph)
: this(new NodeId(), value, graph)
{
}