public override IEdge AddEdge(IVertex metaVertex, IVertex destVertex)
{
// LOG BEGIN
/*
* if(metaVertex==null)
* MinusZero.Instance.Log(3,"AddEdge", GeneralUtil.EmptyIfNull(this.Value) + " [NULL] " + GeneralUtil.EmptyIfNull(destVertex.Value));
* else
* MinusZero.Instance.Log(3,"AddEdge", GeneralUtil.EmptyIfNull(this.Value) + " [" + GeneralUtil.EmptyIfNull(metaVertex.Value) + "] " + GeneralUtil.EmptyIfNull(destVertex.Value));
*/
// LOG END
if (destVertex == null)
{
throw new Exception("target vertex can not be null");
}
EdgeBase ne = new EasyEdge(this, metaVertex, destVertex);
OutEdgesRaw.Add(ne);
UsageCounter++;
if (GeneralUtil.CompareStrings(ne.Meta.Value, "$Inherits"))
{
InheritanceCount++;
HasInheritance = true;
}
FireChange(new VertexChangeEventArgs(VertexChangeType.EdgeAdded, ne));
return(ne);
}
public IEdge this[string meta]
{
get {
IVertex r = this.GetAll(meta + ":");
if (r.Count() > 0)
{
return(r.First());
}
IVertex metavertexs = this.GetAll(@"$Is:\" + meta);
if (metavertexs.Count() > 0)
{
IEdge metavertex = metavertexs.First();
IEdge newedge = new EasyEdge(this, metavertex.To, null);
return(newedge);
}
else
{
if (meta == "$EdgeTarget")
{
IEdge metavertex = m0.MinusZero.Instance.Root.GetAll(@"System\Meta\Base\Vertex\$EdgeTarget").FirstOrDefault();
IEdge newedge = new EasyEdge(this, metavertex.To, null);
return(newedge);
}
}
// inherits from Vertex. hiddenly
// this is for Table Visualiser
IEdge vertexMetaVertex = m0.MinusZero.Instance.Root.GetAll(@"System\Meta\Base\Vertex\" + meta).FirstOrDefault();
if (vertexMetaVertex != null)
{
return(new EasyEdge(this, vertexMetaVertex.To, null));
}
return(null);
}
}