Ejemplo n.º 1
0
        /// <summary>
        /// Adds a new edge
        /// </summary>
        /// <param name="u">source vertex</param>
        /// <param name="v">target edge</param>
        /// <returns>added edge</returns>
        /// <exception cref="ArgumentNullException">u or v is a null reference</exception>
        public virtual IEdge AddEdge(IVertex u, IVertex v)
        {
            if (u == null)
            {
                throw new ArgumentNullException("u");
            }
            if (v == null)
            {
                throw new ArgumentNullException("v");
            }

            // check if u,v in vertex set
            if (!ContainsVertex(u))
            {
                throw new ArgumentException("graph does not contain u");
            }
            if (!ContainsVertex(v))
            {
                throw new ArgumentException("graph does not contain v");
            }

            // add edge
            if (Parent != null)
            {
                IEdge e = Parent.AddEdge(u, v);
                Wrapped.AddEdge(e);
                return(e);
            }
            else
            {
                return(Wrapped.AddEdge(u, v));
            }
        }
Ejemplo n.º 2
0
        /// <summary>
        /// Adds an existing edge to the cluster
        /// </summary>
        /// <param name="e">edge to add</param>
        public virtual void AddEdge(IEdge e)
        {
            if (e == null)
            {
                throw new ArgumentNullException("e");
            }

            if (Parent != null && !Parent.ContainsEdge(e))
            {
                Parent.AddEdge(e);
            }
            Wrapped.AddEdge(e);
        }