public void Delete(TEntity item, bool force = false)
{
LazyLoad();
LazySet();
item.Delete(force);
ForeignProperty?.ClearLookup(item);
}
public void DeleteDeep(bool force = false)
{
//if (ForeignProperty is not null && ForeignProperty.PropertyType == PropertyType.Lookup && !ForeignProperty.Nullable)
// throw new PersistenceException(string.Format("Due to a nullability constraint, you cannot delete {0} relationships directly. Consider removing the {1} objects instead.", ParentProperty.Relationship.Neo4JRelationshipType, ForeignEntity.Name));
LazyLoad();
LazySet();
ForEach(delegate(int index, CollectionItem item)
{
item.Item.Delete(force);
ForeignProperty?.ClearLookup(item.Item);
});
}
protected override void SetItem(TEntity?item, DateTime?moment)
{
LazyLoad();
LazySet();
if (!moment.HasValue)
{
moment = RunningTransaction.TransactionDate;
}
if (item != null && EagerLoadLogic != null)
{
EagerLoadLogic.Invoke(item);
}
List <CollectionItem <TEntity> > currentItem = InnerData.Where(e => e.Overlaps(moment, null)).ToList();
if (!currentItem.FirstOrDefault()?.Item?.Equals(item) ?? !ReferenceEquals(item, null))
{
if (ForeignProperty != null && ForeignProperty.PropertyType == PropertyType.Lookup)
{
OGM?oldForeignValue = (item is null) ? null : (OGM)ForeignProperty.GetValue(item, moment);
if (oldForeignValue != null)
{
ParentProperty?.ClearLookup(oldForeignValue, null);
}
foreach (TEntity entity in currentItem.Select(iitem => iitem.Item).Distinct())
{
ForeignProperty.ClearLookup(entity, moment);
}
}
if (item == null)
{
if (ParentProperty?.PropertyType == PropertyType.Lookup)
{
Remove(currentItem[0].Item, moment);
}
if (currentItem.Count > 0)
{
Clear(moment, false);
}
}
else
{
if (currentItem.Count == 1 && currentItem[0].Item.Equals(item))
{
return;
}
if (ParentProperty?.PropertyType == PropertyType.Lookup && currentItem.Count == 1)
{
Remove(currentItem[0].Item, moment);
}
if (currentItem.Count > 0)
{
Clear(moment, false);
}
if (CountAt(moment) == 0)
{
Add(item, moment, false);
}
}
}
}
protected override void SetItem(TEntity?item, DateTime?moment)
{
if (ParentProperty?.PropertyType != PropertyType.Lookup)
{
throw new NotSupportedException("You cannot use SetItem on a property thats not a lookup.");
}
LazyLoad();
LazySet();
//if (!moment.HasValue)
// moment = RunningTransaction.TransactionDate;
if (item is not null && EagerLoadLogic is not null)
{
EagerLoadLogic.Invoke(item);
}
List <CollectionItem <TEntity> > currentItem = InnerData.Where(e => e.Overlaps(moment, null)).ToList();
if (NeedsToAssign(currentItem, item, moment))
{
if (ForeignProperty is not null && ForeignProperty.PropertyType == PropertyType.Lookup)
{
OGM?oldForeignValue = (item is null) ? null : (OGM)ForeignProperty.GetValue(item, moment);
if (oldForeignValue is not null)
{
ParentProperty?.ClearLookup(oldForeignValue, moment);
}
foreach (TEntity entity in currentItem.Select(iitem => iitem.Item).Distinct())
{
ForeignProperty.ClearLookup(entity, moment);
}
}
if (item is null)
{
if (currentItem.Count > 0)
{
if (ParentProperty?.PropertyType == PropertyType.Lookup)
{
foreach (CollectionItem <TEntity> current in currentItem)
{
if (current?.Item is not null)
{
Remove(current.Item, moment);
}
}
}
if (Count() > 0)
{
Clear(moment, false); // Clear should not be called here as this is for lookup.
}
}
}
else
{
if (currentItem.Count > 0)
{
if (ParentProperty?.PropertyType == PropertyType.Lookup)
{
foreach (CollectionItem <TEntity> current in currentItem)
{
if (current?.Item is not null)
{
Remove(current.Item, moment);
}
}
}
if (Count() > 0)
{
Clear(moment, false); // Clear should not be called here as this is for lookup.
}
}
if (Count() == 0)
{
Add(item, moment, false);
}
}
}
protected override void SetItem(TEntity?item, DateTime?moment)
{
LazyLoad();
LazySet();
if (item != null && EagerLoadLogic != null)
{
EagerLoadLogic.Invoke(item);
}
List <CollectionItem <TEntity> > currentItem = InnerData.ToList();
if (!currentItem.FirstOrDefault()?.Item?.Equals(item) ?? !ReferenceEquals(item, null))
{
if (ForeignProperty != null && ForeignProperty.PropertyType == PropertyType.Lookup)
{
OGM?oldForeignValue = (item == null) ? null : (OGM)ForeignProperty.GetValue(item, moment);
if (oldForeignValue != null)
{
ParentProperty?.ClearLookup(oldForeignValue, null);
}
foreach (TEntity entity in currentItem.Select(iitem => iitem.Item).Distinct())
{
ForeignProperty.ClearLookup(entity, null);
}
}
if (item == null)
{
if (currentItem.Count > 0)
{
if (ParentProperty?.PropertyType == PropertyType.Lookup)
{
Remove(currentItem[0].Item);
}
if (Count > 0)
{
Clear(false); // Clear should not be called here as this is for lookup.
}
}
}
else
{
if (currentItem.Count == 1 && currentItem[0].Item.Equals(item))
{
return;
}
if (currentItem.Count > 0)
{
if (ParentProperty?.PropertyType == PropertyType.Lookup)
{
Remove(currentItem[0].Item);
}
if (Count > 0)
{
Clear(false); // Clear should not be called here as this is for lookup.
}
}
if (Count == 0)
{
Add(item, false);
}
}
}
}
