public virtual IGraph <TItem, TEdge> CreateSinkGraph(IGraph <TItem, TEdge> source)
{
IGraphPair <TItem, TItem, TEdge, TEdge> sourceGraph = source as SubGraph <TItem, TEdge>;
if (sourceGraph != null)
{
sourceGraph = sourceGraph.RootSource();
var backHandler = BackHandler(sourceGraph);
if (backHandler != null)
{
var result = backHandler.CreateSinkGraph(sourceGraph.Source);
if (result != null)
{
// souround with a view
var view = Activator.CreateInstance((result as ISinkGraph <TItem, TEdge>).Sink.GetType())
as IGraph <TItem, TEdge>;
return(new SubGraph <TItem, TEdge> (result, view));
}
}
else
{
// asuming a graph without backing graph
var view = Activator.CreateInstance(sourceGraph.Source.GetType()) as IGraph <TItem, TEdge>;
return(new SubGraph <TItem, TEdge> (sourceGraph.Source, view));
}
}
return(null);
}
LookUp <TItem, TEdge, TSourceItem, TSourceEdge> (
this IGraphPair <TItem, TItem, TEdge, TEdge> graphPair1,
IGraphPair <TItem, TItem, TEdge, TEdge> graphPair2,
TItem item) where TEdge : IEdge <TItem>, TItem
where TSourceEdge : IEdge <TSourceItem>, TSourceItem
{
var back = default(TItem);
var source1 = graphPair1.Source <TItem, TEdge, TSourceItem, TSourceEdge>();
var source2 = graphPair2.Source <TItem, TEdge, TSourceItem, TSourceEdge>();
if (source1 != null && source2 != null)
{
var ping = source1.Get(item);
if (ping != null)
{
var contains = ping is TSourceEdge?source2.Source.Contains((TSourceEdge)ping) : source2.Source.Contains(ping);
if (contains)
{
back = source2.Get(ping);
}
}
}
return(back);
}
public override void ChangeData(IGraph <IGraphEntity, IGraphEdge> sink, IGraphEntity item, object data)
{
IGraphPair <IGraphEntity, IThing, IGraphEdge, ILink> graph =
sink as IGraphPair <IGraphEntity, IThing, IGraphEdge, ILink>;
if (graph != null)
{
var thing = graph.Get(item);
thing.Data = data;
item.Data = data;
}
}
public EdgeList(IGraphPair <TSinkItem, TSourceItem, TSinkEdge, TSourceEdge> graphPair, IList <TSourceEdge> listTwo)
{
this.graphPair = graphPair;
this.listTwo = listTwo;
}
