/// <summary>
/// Removes neighbouring node
/// </summary>
/// <param name="node">Neighbour to remove</param>
public void RemoveNeighbour(Node node)
{
if (node == null)
throw new ArgumentNullException(nameof(node));
var match = Neighbours.SingleOrDefault(n => node.Equals(n));
//Prevent endless circular removing
if (match == null)
return;
if (!CanRemoveNeighbour(node))
throw new InvalidOperationException("Neighbour cannot be removed!");
Neighbours.Remove(match);
match.RemoveNeighbour(this);
}
/// <summary>
/// Adds neighbouring node. Will fail if not added via <see cref="T:Localwire.Graphinder.Core.Graph.Graph"/>.
/// </summary>
/// <param name="node">New neighbour to add</param>
public void AddNeighbour(Node node)
{
if (node == null)
throw new ArgumentNullException(nameof(node));
//Prevent endless circular adding
if (Neighbours.Contains(node))
return;
if (node.Equals(this))
throw new InvalidOperationException("Attempt to add self as neighbour!");
if (!CanAddNeighbour(node))
throw new InvalidOperationException("Neighbour cannot be added!");
Neighbours.Add(node);
node.AddNeighbour(this);
}
/// <summary>
/// Removes neighbouring node
/// </summary>
/// <param name="node">Neighbour to remove</param>
public void RemoveNeighbour(Node node)
{
if (node == null)
{
throw new ArgumentNullException(nameof(node));
}
var match = _neighbours.SingleOrDefault(n => node.Equals(n));
//Prevent endless circular removing
if (match == null)
{
return;
}
if (!CanRemoveNeighbour(node))
{
throw new InvalidOperationException("Neighbour cannot be removed!");
}
_neighbours.Remove(match);
match.RemoveNeighbour(this);
}
/// <summary>
/// Adds neighbouring node. Will fail if not added via <see cref="T:Localwire.Graphinder.Core.Graph.Graph"/>.
/// </summary>
/// <param name="node">New neighbour to add</param>
public void AddNeighbour(Node node)
{
if (node == null)
{
throw new ArgumentNullException(nameof(node));
}
//Prevent endless circular adding
if (_neighbours.Contains(node))
{
return;
}
if (node.Equals(this))
{
throw new InvalidOperationException("Attempt to add self as neighbour!");
}
if (!CanAddNeighbour(node))
{
throw new InvalidOperationException("Neighbour cannot be added!");
}
_neighbours.Add(node);
node.AddNeighbour(this);
}