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 = PreSaving(() => GraphExplorer.FromRoots(entities));
HashSet <Entity> wasNew = modifiables.OfType <Entity>().Where(a => a.IsNew).ToHashSet(ReferenceEqualityComparer <Entity> .Default);
HashSet <Entity> wasSelfModified = modifiables.OfType <Entity>().Where(a => a.Modified == ModifiedState.SelfModified).ToHashSet(ReferenceEqualityComparer <Entity> .Default);
log.Switch("Integrity");
var error = GraphExplorer.FullIntegrityCheck(modifiables);
if (error != null)
{
#if DEBUG
throw new IntegrityCheckException(error.WithEntities(modifiables));
#else
throw new IntegrityCheckException(error);
#endif
}
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);
}
}
