/// <summary>
/// Adds and arc to an existing vertex.
/// </summary>
/// <param name="from"></param>
/// <param name="to"></param>
/// <param name="data"></param>
public void AddArc(long from, long to, RouterResolvedGraphEdge data)
{
RouterResolvedGraphVertex vertex;
if (_vertices.TryGetValue(from, out vertex))
{
KeyValuePair<long, RouterResolvedGraphEdge>[] arcs =
vertex.Arcs;
int idx = -1;
if (arcs == null)
{
arcs = new KeyValuePair<long, RouterResolvedGraphEdge>[1];
idx = 0;
vertex.Arcs = arcs;
}
else
{
idx = arcs.Length;
Array.Resize<KeyValuePair<long, RouterResolvedGraphEdge>>(ref arcs, arcs.Length + 1);
vertex.Arcs = arcs;
}
arcs[idx] = new KeyValuePair<long, RouterResolvedGraphEdge>(
to, data);
_vertices[from] = vertex;
return;
}
throw new ArgumentOutOfRangeException("from");
}
/// <summary>
/// Adds and arc to an existing vertex.
/// </summary>
/// <param name="from"></param>
/// <param name="to"></param>
/// <param name="data"></param>
public void AddArc(long from, long to, RouterResolvedGraphEdge data)
{
RouterResolvedGraphVertex vertex;
if (_vertices.TryGetValue(from, out vertex))
{
KeyValuePair <long, RouterResolvedGraphEdge>[] arcs =
vertex.Arcs;
int idx = -1;
if (arcs == null)
{
arcs = new KeyValuePair <long, RouterResolvedGraphEdge> [1];
idx = 0;
vertex.Arcs = arcs;
}
else
{
idx = arcs.Length;
Array.Resize <KeyValuePair <long, RouterResolvedGraphEdge> >(ref arcs, arcs.Length + 1);
vertex.Arcs = arcs;
}
arcs[idx] = new KeyValuePair <long, RouterResolvedGraphEdge>(
to, data);
_vertices[from] = vertex;
return;
}
throw new ArgumentOutOfRangeException("from");
}