public IEdge AddEdge(IEdge edge)
{
if (edge == null)
{
throw new ArgumentNullException(nameof(edge));
}
if (!Equals(edge.Parent) && !SubGraphs.ContainsKey(edge.Parent))
{
throw new ArgumentException(FormattableString.Invariant($"Parent of Edge {edge} not within Graph!"));
}
if ((edge.SourceNode == null) || !Nodes.ContainsKey(edge.SourceNode))
{
throw new ArgumentException(
FormattableString.Invariant($"SourceNode {edge.SourceNode} not within Graph!"));
}
if ((edge.EndNode == null) || !Nodes.ContainsKey(edge.EndNode))
{
throw new ArgumentException(FormattableString.Invariant($"EndNode {edge.EndNode} not within Graph!"));
}
if (!Edges.ContainsKey(edge))
{
Edges[edge] = edge;
}
var addedEdge = Edges[edge];
addedEdge.SetAttributes(edge.GetAttributes());
return(addedEdge);
}
public ISubGraph AddSubGraph(ISubGraph subgraph)
{
if (subgraph == null)
{
throw new ArgumentNullException(nameof(subgraph));
}
if (!Equals(subgraph.Parent) && !SubGraphs.ContainsKey(subgraph.Parent))
{
throw new ArgumentException(
FormattableString.Invariant($"Parent of SubGraph {subgraph.Id} not within Graph!"));
}
if (!SubGraphs.ContainsKey(subgraph))
{
SubGraphs[subgraph] = subgraph;
}
var addedSubGraph = SubGraphs[subgraph];
addedSubGraph.SetAttributes(subgraph.GetAttributes());
return(addedSubGraph);
}
public void RemoveSubGraph(ISubGraph subgraph)
{
if ((subgraph != null) && SubGraphs.ContainsKey(subgraph))
{
var subgraphs = SubGraphs[subgraph].GetSubGraphSubGraphs().ToList();
foreach (var sg in subgraphs)
{
RemoveSubGraph(sg);
}
var edges = SubGraphs[subgraph].GetSubGraphEdges().ToList();
foreach (var edge in edges)
{
RemoveEdge(edge);
}
var nodes = SubGraphs[subgraph].GetSubGraphNodes().ToList();
foreach (var node in nodes)
{
RemoveNode(node);
}
}
}
public INode AddNode(INode node, bool checkParent = true)
{
if (node == null)
{
throw new ArgumentNullException(nameof(node));
}
if (!Equals(node.Parent) && !SubGraphs.ContainsKey(node.Parent))
{
throw new ArgumentException(FormattableString.Invariant($"Parent of Node {node} not within Graph!"));
}
if (!Nodes.ContainsKey(node))
{
Nodes[node] = node;
}
var addedNode = Nodes[node];
if (checkParent && (addedNode.Parent != node.Parent))
{
throw new ArgumentException(FormattableString.Invariant(
$"Mismatching node Parent ({addedNode.Parent.Id} vs {node.Parent.Id}) for node {node}!"));
}
addedNode.SetAttributes(node.GetAttributes());
return(addedNode);
}