private void RemoveInternal(TEntity Entity)
{
RemoveInternalUpdateAllRelated(Entity);
if (Entity.HasTrackable())
{
EntityChangeTracker.UnTrack(Entity);
if (Entity.IsModified())
{
Context.ChangeTracker.UnTrack(Entity); // remove from modified_entities
}
Entity.State = EntityState.Deleted;
Context.ChangeTracker.Track(Entity); // this line of code must be executed after, state changes to deleted
}
else if (Entity.IsAdded())
{
Context.ChangeTracker.UnTrack(Entity);
EntityKeyManager.Remove(Entity);
Entity.Detached();
}
else
{
throw new CriticalException($"RemoveInternal {Entity}, State Must Be Unchanged Or Added Or Modified");
}
}
private void CanAdd(TEntity Entity, out Dictionary <IEntityRelationForeignManager <TEntity>, ForeignStatus> ForeignStatuses)
{
if (!Entity.IsDetached())
{
throw new EntitySetCanAddException($"{EntityType.Name} EntitySet Add Failed, {Entity} State Must Be Detached", 111);
}
if (Entity.EntitySet != null)
{
throw new CriticalException($"{EntityType.Name} EntitySet Add Failed, {Entity} Is Contained In Other EntitySet");
}
if (EntityKeyManager.Find(Entity))
{
throw new CriticalException($"{EntityType.Name} EntitySet Add Failed, Key Manager Find {Entity}");
}
if (!EntityKeyManager.CanAdd(Entity))
{
throw new EntitySetCanAddException($"{EntityType.Name} EntitySet Add Failed, Key Manager, New Key For {Entity} Has OverFlow", 112);
}
ForeignStatuses = GetAllForeignStatuses(Entity);
if (!ForeignStatuses.IsValid())
{
throw new EntitySetCanAddException($"{Entity} Has InValid Foreign[es] : " + string.Join(" | ", ForeignStatuses.Values), 113);
}
}
private void AddInternal(TEntity Entity, Dictionary <IEntityRelationForeignManager <TEntity>, ForeignStatus> ForeignStatuses)
{
Entity.EntitySet = this;
EntityKeyManager.Add(Entity);
AddInternalUpdateAllForeign(Entity, ForeignStatuses);
AddInternalUpdateAllRelated(Entity);
if (EntityKeyManager.IsExist(Entity))
{
Entity.State = EntityState.Unchanged;
UpdatedAllOrphan(Entity);
Entity.OnPropertyChanged(Key.Name);
}
else if (EntityKeyManager.IsNew(Entity))
{
Entity.State = EntityState.Added;
Context.ChangeTracker.Track(Entity);
Entity.OnPropertyChanged(Key.Name);
}
else
{
throw new CriticalException($"AddInternal {Entity}, Can Not Set EntityState");
}
}
private void DetachInternal(TEntity Entity)
{
DetachInternalUpdateAllRelated(Entity);
EntityKeyManager.Remove(Entity);
EntityChangeTracker.UnTrack(Entity);
if (!Entity.IsUnchanged())
{
Context.ChangeTracker.UnTrack(Entity);
}
Entity.Detached();
}
internal void Accept(TEntity Entity)
{
if (Entity.EntitySet != this)
{
throw new EntitySetAcceptEntityException($"{Entity} EntitySet Not Equal To This EntitySet");
}
if (!Entity.HasEditable())
{
throw new EntitySetAcceptEntityException($"{Entity} Is Not Editable, State Must Be Unchanged Or Added Or Modified");
}
if (!EntityKeyManager.Find(Entity))
{
throw new EntitySetAcceptEntityException($"{typeof(TEntity).Name} Key Manager Not Find {Entity}");
}
}
private void CanDetach(TEntity Entity)
{
if (Entity.IsDetached() || Entity.HasBusy())
{
throw new EntitySetCanDetachException($"{EntityType.Name} EntitySet Detach Failed, {Entity} With {Entity.State} State Is Not Supported", 131);
}
if (Entity.EntitySet != this)
{
throw new EntitySetCanDetachException($"{EntityType.Name} EntitySet Detach Failed, {Entity} Is Contained In Other EntitySet", 132);
}
if (!EntityKeyManager.Find(Entity))
{
throw new CriticalException($"{EntityType.Name} EntitySet Detach Failed, Key Manager Not Find {Entity}");
}
if (IsRelated(Entity))
{
throw new EntitySetCanDetachException($"{EntityType.Name} EntitySet Detach Failed, {Entity} Is Related", 133);
}
}
private void CanRemove(TEntity Entity)
{
if (!Entity.HasEditable() || Entity.HasBusy())
{
throw new EntitySetCanRemoveException($"{EntityType.Name} EntitySet Remove Failed, {Entity} State Must Be Unchanged Or Added Or Modified", 121);
}
if (Entity.EntitySet != this)
{
throw new CriticalException($"{EntityType.Name} EntitySet Remove Failed, {Entity} Is Contained In Other EntitySet");
}
if (!EntityKeyManager.Find(Entity))
{
throw new CriticalException($"{EntityType.Name} EntitySet Remove Failed, Key Manager Not Find {Entity}");
}
if (IsRelated(Entity))
{
throw new EntitySetCanRemoveException($"{EntityType.Name} EntitySet Remove Failed, {Entity} Is Related", 123);
}
}
