public static void RegisterVertexChangeListeners(IVertex PlatformClassVertex, VertexChange action, string[] watchList)
{
PlatformClassVertexChangeListener listener = new PlatformClassVertexChangeListener(watchList);
listener.PlatformClassVertex = PlatformClassVertex;
listener.Change += action;
PlatformClassVertex.Change += new VertexChange(listener.Listener);
IVertex AttributeVertexes = PlatformClassVertex.GetAll(@"$Is:{$Inherits:$PlatformClass}\Selector:");
foreach (IEdge e in AttributeVertexes)
{
foreach (IEdge ee in PlatformClassVertex.GetAll(e.To.Value + ":"))
{
GraphUtil.AddHandlerIfDelegateListDoesNotContainsIt(ee.To, listener.Listener);
foreach (string metaFromWatchList in listener.WatchList)
{
if (GeneralUtil.CompareStrings(ee.Meta.Value, metaFromWatchList))
{
foreach (IEdge eee in ee.To)
{
GraphUtil.AddHandlerIfDelegateListDoesNotContainsIt(eee.To, listener.Listener);
}
}
}
}
}
}
public void Listener(object sender, VertexChangeEventArgs e)
{
if (CheckSender(sender) && (e.Type == VertexChangeType.EdgeAdded) && (!GeneralUtil.CompareStrings(e.Edge.Meta.Value, "$Is")))
{
IVertex AttributeVertexes = ((IVertex)sender).GetAll(@"$Is:\Selector:");
//IVertex AttributeVertexes = ((IVertex)sender).GetAll(@"$Is:{$Inherits:$PlatformClass}\Selector:");
foreach (IEdge ed in AttributeVertexes)
{
if (e.Edge.Meta == ed.To)
{
GraphUtil.AddHandlerIfDelegateListDoesNotContainsIt(e.Edge.To, this.Listener);
}
}
foreach (string metaFromWatchList in WatchList)
{
if (((string)e.Edge.Meta.Value) == metaFromWatchList)
{
GraphUtil.AddHandlerIfDelegateListDoesNotContainsIt(e.Edge.To, this.Listener);
foreach (IEdge ee in e.Edge.To)
{
GraphUtil.AddHandlerIfDelegateListDoesNotContainsIt(ee.To, this.Listener);
}
}
}
}
foreach (string metaFromWatchList in WatchList)
{
if ((sender == PlatformClassVertex.Get(metaFromWatchList + ":")) && (e.Type == VertexChangeType.EdgeAdded) && (!GeneralUtil.CompareStrings(e.Edge.Meta.Value, "$Is")))
{
GraphUtil.AddHandlerIfDelegateListDoesNotContainsIt(e.Edge.To, this.Listener);
}
}
if (CheckSender(sender) && (e.Type == VertexChangeType.EdgeRemoved) && (!GeneralUtil.CompareStrings(e.Edge.Meta.Value, "$Is")))
{
IVertex AttributeVertexes = ((IVertex)sender).GetAll(@"$Is:\Selector:");
//IVertex AttributeVertexes = ((IVertex)sender).GetAll(@"$Is:{$Inherits:$PlatformClass}\Selector:");
foreach (IEdge ed in AttributeVertexes)
{
if (e.Edge.Meta == ed.To)
{
e.Edge.To.Change -= new VertexChange(this.Listener);
}
}
foreach (string metaFromWatchList in WatchList)
{
if (((string)e.Edge.Meta.Value) == metaFromWatchList)
{
e.Edge.To.Change -= new VertexChange(this.Listener);
foreach (IEdge ee in e.Edge.To)
{
ee.To.Change -= new VertexChange(this.Listener);
}
}
}
}
foreach (string metaFromWatchList in WatchList)
{
if ((sender == PlatformClassVertex.Get(metaFromWatchList + ":")) && (e.Type == VertexChangeType.EdgeRemoved) && (!GeneralUtil.CompareStrings(e.Edge.Meta.Value, "$Is")))
{
e.Edge.To.Change -= new VertexChange(this.Listener);
}
}
if (Change != null)
{
Change(sender, e);
}
}