internal GreenModel RemoveObject(ObjectId oid)
{
Debug.Assert(!this.lazyProperties.ContainsKey(oid));
ImmutableDictionary <ObjectId, GreenObject> objects = this.objects;
ImmutableDictionary <ObjectId, ImmutableHashSet <Slot> > refs;
if (this.references.TryGetValue(oid, out refs))
{
foreach (var refEntry in refs)
{
GreenObject green;
if (this.objects.TryGetValue(refEntry.Key, out green))
{
GreenObject oldGreen = green;
foreach (var slot in refEntry.Value)
{
object value;
if (green.Slots.TryGetValue(slot, out value))
{
if (value is GreenList)
{
GreenList list = (GreenList)value;
green = green.Update(
green.Parent == oid ? null : green.Parent,
green.Children.RemoveAll(item => item == oid),
green.Slots.SetItem(slot, list.RemoveAll(oid)));
}
else if ((ObjectId)value == oid)
{
green = green.Update(
green.Parent == oid ? null : green.Parent,
green.Children.RemoveAll(item => item == oid),
green.Slots.SetItem(slot, GreenObject.Unassigned));
}
}
}
if (green != oldGreen)
{
objects.SetItem(refEntry.Key, green);
}
}
}
return(this.Update(
this.name,
this.version,
objects.Remove(oid),
this.strongObjects.Remove(oid),
this.lazyProperties.Remove(oid),
this.references.Remove(oid)));
}
return(this);
}
internal GreenModel ReplaceObject(ObjectId oid, ObjectId targetOid)
{
Debug.Assert(!this.lazyProperties.ContainsKey(oid));
ImmutableDictionary <ObjectId, GreenObject> objects = this.objects;
ImmutableDictionary <ObjectId, ImmutableHashSet <Slot> > refs;
if (this.references.TryGetValue(oid, out refs))
{
ImmutableDictionary <ObjectId, ImmutableHashSet <Slot> > targetRefs;
if (!this.references.TryGetValue(targetOid, out targetRefs))
{
targetRefs = ImmutableDictionary <ObjectId, ImmutableHashSet <Slot> > .Empty;
}
foreach (var refEntry in refs)
{
GreenObject green;
if (this.objects.TryGetValue(refEntry.Key, out green))
{
GreenObject oldGreen = green;
ImmutableHashSet <Slot> targetSlots;
if (!targetRefs.TryGetValue(refEntry.Key, out targetSlots))
{
targetSlots = ImmutableHashSet <Slot> .Empty;
}
foreach (var slot in refEntry.Value)
{
object value;
if (green.Slots.TryGetValue(slot, out value))
{
if (value is GreenList)
{
GreenList list = (GreenList)value;
green = green.Update(
green.Parent == oid ? targetOid : green.Parent,
green.Children.Replace(oid, targetOid),
green.Slots.SetItem(slot, list.Replace(oid, targetOid)));
targetSlots = targetSlots.Add(slot);
}
else if ((ObjectId)value == oid)
{
green = green.Update(
green.Parent == oid ? targetOid : green.Parent,
green.Children.Replace(oid, targetOid),
green.Slots.SetItem(slot, targetOid));
targetSlots = targetSlots.Add(slot);
}
}
}
if (green != oldGreen)
{
objects.SetItem(refEntry.Key, green);
}
if (targetSlots.Count > 0)
{
targetRefs = targetRefs.SetItem(refEntry.Key, targetSlots);
}
}
}
return(this.Update(
this.name,
this.version,
objects.Remove(oid),
this.strongObjects.Remove(oid),
this.lazyProperties.Remove(oid),
targetRefs.Count > 0 ? this.references.Remove(oid).SetItem(targetOid, targetRefs) : this.references.Remove(oid)));
}
return(this);
}
