internal void Add(TEntity item, DateTime?moment, bool fireEvents)
{
if (item is null)
{
return;
}
LazyLoad();
LazySet();
if (EagerLoadLogic is not null)
{
EagerLoadLogic.Invoke(item);
}
if (fireEvents)
{
if (ParentProperty?.RaiseOnChange((OGMImpl)Parent, default(TEntity), item, moment, OperationEnum.Add) ?? false)
{
return;
}
}
ExecuteAction(AddAction(item, moment));
}
internal void Add(TEntity item, DateTime?moment, bool fireEvents)
{
if (item is null)
{
return;
}
LazyLoad();
LazySet();
if (EagerLoadLogic != null)
{
EagerLoadLogic.Invoke(item);
}
if (fireEvents)
{
if (ParentProperty?.RaiseOnChange((OGMImpl)Parent, default(TEntity), item, moment, OperationEnum.Add) ?? false)
{
return;
}
}
CollectionItem <TEntity> oldItem = InnerData.FirstOrDefault(item => item.Item.GetKey() == item.Item.GetKey());
ExecuteAction(AddAction(item, (oldItem != null) ? oldItem.StartDate : moment));
}
internal void AddRange(IEnumerable <TEntity> items, DateTime?moment, bool fireEvents)
{
LazyLoad();
LazySet();
LinkedList <RelationshipAction> actions = new LinkedList <RelationshipAction>();
foreach (var item in items)
{
if (item is null)
{
continue;
}
if (EagerLoadLogic != null)
{
EagerLoadLogic.Invoke(item);
}
if (fireEvents)
{
if (ParentProperty?.RaiseOnChange((OGMImpl)Parent, default(TEntity), item, moment, OperationEnum.Add) ?? false)
{
continue;
}
}
CollectionItem <TEntity> oldItem = InnerData.FirstOrDefault(item => item.Item.GetKey() == item.Item.GetKey());
actions.AddLast(AddAction(item, (oldItem != null) ? oldItem.StartDate : moment));
}
ExecuteAction(actions);
}
internal void Remove(TEntity item, DateTime?moment, bool fireEvents)
{
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));
}
if (item is null)
{
return;
}
LazyLoad();
if (EagerLoadLogic is not null)
{
EagerLoadLogic.Invoke(item);
}
if (fireEvents)
{
if (ParentProperty?.RaiseOnChange <OGM>((OGMImpl)Parent, item, default(TEntity), moment, OperationEnum.Remove) ?? false)
{
return;
}
}
ExecuteAction(RemoveAction(item, moment));
}
internal void AddRange(IEnumerable <TEntity> items, DateTime?moment, bool fireEvents)
{
LazyLoad();
LazySet();
LinkedList <RelationshipAction> actions = new LinkedList <RelationshipAction>();
foreach (var item in items)
{
if (item is null)
{
continue;
}
if (EagerLoadLogic is not null)
{
EagerLoadLogic.Invoke(item);
}
if (fireEvents)
{
if (ParentProperty?.RaiseOnChange((OGMImpl)Parent, default(TEntity), item, moment, OperationEnum.Add) ?? false)
{
continue;
}
}
actions.AddLast(AddAction(item, moment));
}
ExecuteAction(actions);
}
internal sealed override void Add(TEntity item, bool fireEvents)
{
if (item is null)
{
return;
}
LazyLoad();
LazySet();
if (EagerLoadLogic != null)
{
EagerLoadLogic.Invoke(item);
}
if (fireEvents)
{
if (ParentProperty?.RaiseOnChange((OGMImpl)Parent, default(TEntity), item, null, OperationEnum.Add) ?? false)
{
return;
}
}
ExecuteAction(AddAction(item, null));
}
internal void Clear(DateTime?moment, bool fireEvents)
{
if (ForeignProperty != 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();
if (InnerData.Count == 0)
{
return;
}
LazySet();
if (fireEvents)
{
HashSet <CollectionItem> cancel = new HashSet <CollectionItem>();
ForEach(delegate(int index, CollectionItem item)
{
if (item is null)
{
return;
}
if (EagerLoadLogic != null)
{
EagerLoadLogic.Invoke((TEntity)item.Item);
}
if (ParentProperty?.RaiseOnChange((OGMImpl)Parent, item.Item, default(TEntity), moment, (OperationEnum)OperationEnum.Remove) ?? false)
{
cancel.Add((CollectionItem)item);
}
});
if (cancel.Count != 0)
{
LinkedList <RelationshipAction> actions = new LinkedList <RelationshipAction>();
ForEach(delegate(int index, CollectionItem item)
{
if (cancel.Contains(item))
{
return;
}
actions.AddLast(RemoveAction(item, moment));
});
ExecuteAction(actions);
return;
}
}
ExecuteAction(ClearAction(moment));
}
internal bool RemoveRange(IEnumerable <TEntity> items, DateTime?moment, bool fireEvents)
{
if (ForeignProperty != 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();
LinkedList <RelationshipAction> actions = new LinkedList <RelationshipAction>();
foreach (var item in items)
{
if (item != null && EagerLoadLogic != null)
{
EagerLoadLogic.Invoke(item);
}
if (fireEvents)
{
bool cancel = false;
ForEach(delegate(int index, CollectionItem current)
{
if (current.Item.Equals(item) && (!moment.HasValue || current.EndDate > moment.Value))
{
if (current.Item.Equals(item))
{
if (ParentProperty?.RaiseOnChange <OGM>((OGMImpl)Parent, current.Item, default(TEntity), moment, OperationEnum.Remove) ?? false)
{
cancel = true;
}
}
}
});
if (cancel)
{
return(false);
}
}
ForEach(delegate(int index, CollectionItem current)
{
if (current.Item.Equals(item) && (!moment.HasValue || current.EndDate > moment.Value))
{
ParentProperty?.RaiseOnChange <OGM>((OGMImpl)Parent, current.Item, default(TEntity), moment, OperationEnum.Remove);
actions.AddLast(RemoveAction(current, moment));
}
});
}
if (actions.Count > 0)
{
ExecuteAction(actions);
LazySet();
}
return(actions.Count > 0);
}
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);
}
}
}
}
