public static DirectedGraph <Modifiable> PreSaving(Func <DirectedGraph <Modifiable> > recreate)
{
return(PreSaving(recreate, (Modifiable m, ref bool graphModified) =>
{
ModifiableEntity me = m as ModifiableEntity;
if (me != null)
{
me.SetTemporalErrors(null);
}
m.PreSaving(ref graphModified);
}));
}
public static void Save(Entity[] entities)
{
if (entities == null || entities.Any(e => e == null))
{
throw new ArgumentNullException("entity");
}
using (var log = HeavyProfiler.LogNoStackTrace("PreSaving"))
{
Schema schema = Schema.Current;
DirectedGraph <Modifiable> modifiables = GraphExplorer.PreSaving(() => GraphExplorer.FromRoots(entities), (Modifiable m, ref bool graphModified) =>
{
ModifiableEntity me = m as ModifiableEntity;
if (me != null)
{
me.SetTemporalErrors(null);
}
m.PreSaving(ref graphModified);
Entity ident = m as Entity;
if (ident != null)
{
schema.OnPreSaving(ident, ref graphModified);
}
});
HashSet <Entity> wasNew = modifiables.OfType <Entity>().Where(a => a.IsNew).ToHashSet();
HashSet <Entity> wasSelfModified = modifiables.OfType <Entity>().Where(a => a.Modified == ModifiedState.SelfModified).ToHashSet();
log.Switch("Integrity");
var error = GraphExplorer.FullIntegrityCheck(modifiables);
if (error != null)
{
throw new IntegrityCheckException(error);
}
log.Switch("Graph");
GraphExplorer.PropagateModifications(modifiables.Inverse());
//colapsa modifiables (collections and embeddeds) keeping indentifiables only
DirectedGraph <Entity> identifiables = GraphExplorer.ColapseIdentifiables(modifiables);
foreach (var node in identifiables)
{
schema.OnSaving(node);
}
//Remove all the edges that doesn't mean a dependency
identifiables.RemoveEdges(identifiables.Edges.Where(e => !e.To.IsNew).ToList());
//Remove all the nodes that are not modified
List <Entity> notModified = identifiables.Where(node => !node.IsGraphModified).ToList();
notModified.ForEach(node => identifiables.RemoveFullNode(node, None));
log.Switch("SaveGroups");
SaveGraph(schema, identifiables);
foreach (var node in identifiables)
{
schema.OnSaved(node, new SavedEventArgs
{
IsRoot = entities.Contains(node),
WasNew = wasNew.Contains(node),
WasSelfModified = wasSelfModified.Contains(node),
});
}
EntityCache.Add(identifiables);
EntityCache.Add(notModified);
GraphExplorer.CleanModifications(modifiables);
}
}
