/// <summary>
/// Add an edge from this Vertex to inVertex of edge type looked up from label, if edge type does not yet exist it is created.
/// </summary>
/// <param name="edgeId">If not null, this must be a UInt32 to be used as edge id - NOTE: not yet implemented usage</param>
/// <param name="label">The type of edge to create</param>
/// <param name="inVertex">The head of the new edge</param>
/// <returns>the new edge</returns>
public IEdge AddEdge(object edgeId, string label, IVertex inVertex)
{ // TODO, use edgeId
if (edgeId != null)
{
throw new NotImplementedException("Custom edge id is not implemented");
}
EdgeType edgeType = Graph.FindEdgeType(label);
if (edgeType == null)
{
edgeType = Graph.NewEdgeType(label, true);
}
return(edgeType.NewEdge(this, inVertex as Vertex));
}
/// <summary>
/// Add an edge from this Vertex to inVertex of edge type.
/// </summary>
/// <param name="edgeType">The type of edge to add</param>
/// <param name="head">The head of the new edge</param>
/// <returns>the new edge</returns>
public Edge AddEdge(EdgeType edgeType, Vertex head)
{
return(edgeType.NewEdge(this, head));
}
/// <summary>
/// Creates a new edge instance.
/// </summary>
/// <param name="type">Edge type identifier.</param>
/// <param name="tail">Source OID.</param>
/// <param name="head">Target OID. </param>
/// <returns>Unique OID of the new edge instance.</returns>
public Edge NewEdge(EdgeType edgeType, Vertex tail, Vertex head)
{
return(edgeType.NewEdge(tail, head));
}