/// <summary>
/// Selects and edge by id.
/// </summary>
/// <param name="id">The specified edge id.</param>
public E Select(EdgeId id)
{
if (null == id)
{
throw new ArgumentNullException();
}
return(this.edges[id]);
}
/// <summary>
/// Initializes a new undirected edge with a specified id and set of nodes.
/// </summary>
/// <param name="id">The id for the edge.</param>
/// <param name="nodeIds">The unordered nodes of the edge.</param>
public UndirectedEdge(EdgeId id, ISet <NodeId> nodeIds)
{
if (null == id)
{
throw new ArgumentNullException();
}
if (null == nodeIds)
{
throw new ArgumentNullException();
}
this.id = id;
this.nodeIds = nodeIds;
}
/// <summary>
/// Selects all the edges connected to a specified node by id.
/// </summary>
/// <param name="id">The specified node id.</param>
public ISet <NodeId> SelectConnectedTo(EdgeId id)
{
return(Select(id).NodeIds());
}
