/// <summary>
/// Serialize the model to a DOT graph notation.
/// </summary>
/// <returns>A string representing the model serialized in DOT notation.</returns>
public string ToDOT()
{
var relationships = storage.AllInstancesDerivedFromType <IfcRelationship>();
var visited = new List <Guid>(); // Ids of visited nodes;
var relations = new StringBuilder();
foreach (var r in relationships)
{
var rType = r.GetType();
foreach (var p in r.GetType().GetProperties().Where(p => p.DeclaringType == r.GetType()))
{
var pVal = p.GetValue(r);
if (pVal is IList && pVal.GetType().IsGenericType)
{
var vs = (IList)pVal;
foreach (BaseIfc v in vs)
{
relations.AppendLine($"\t\"{r.Id} : {rType.Name}\" -- \"{v.Id} : {v.GetType().Name}\"");
}
}
else if (pVal is BaseIfc)
{
var v = (BaseIfc)pVal;
relations.AppendLine($"\t\"{r.Id} : {rType.Name}\" -- \"{v.Id} : {v.GetType().Name}\"");
}
else if (pVal == null)
{
relations.AppendLine($"\t\"{r.Id} : {rType.Name}\" -- \"null\"");
}
}
}
string graph =
$@"graph model{{
rankdir=LR
node [shape=box];
{relations.ToString()}
}}";
return(graph);
}