public ParentOneChild_Child(string text, ParentOneChild_Parent parent, ParentOneChild_ParentNullable?parentNullable, bool isStoring = true)
{
Key = StorageExtensions.NoKey;
Text = text;
Parent = parent;
ParentNullable = parentNullable;
#if DEBUG
DC.Trace?.Invoke($"new ParentOneChild_Child: {ToTraceString()}");
#endif
Parent.AddToChild(this);
if (ParentNullable != null)
{
ParentNullable.AddToChild(this);
}
onConstruct();
if (DC.Data?.IsTransaction ?? false)
{
DC.Data.AddTransaction(new TransactionItem(11, TransactionActivityEnum.New, Key, this));
}
if (isStoring)
{
Store();
}
}
partial void onUpdating(string text, ParentOneChild_Parent parent, ParentOneChild_ParentNullable?parentNullable, ref bool isCancelled);
public void Update(string text, ParentOneChild_Parent parent, ParentOneChild_ParentNullable?parentNullable)
{
if (Key >= 0)
{
if (parent.Key < 0)
{
throw new Exception($"ParentOneChild_Child.Update(): It is illegal to add stored ParentOneChild_Child '{this}'" + Environment.NewLine +
$"to Parent '{parent}', which is not stored.");
}
if (parentNullable?.Key < 0)
{
throw new Exception($"ParentOneChild_Child.Update(): It is illegal to add stored ParentOneChild_Child '{this}'" + Environment.NewLine +
$"to ParentNullable '{parentNullable}', which is not stored.");
}
}
var clone = new ParentOneChild_Child(this);
var isCancelled = false;
onUpdating(text, parent, parentNullable, ref isCancelled);
if (isCancelled)
{
return;
}
#if DEBUG
DC.Trace?.Invoke($"Updating ParentOneChild_Child: {ToTraceString()}");
#endif
var isChangeDetected = false;
if (Text != text)
{
Text = text;
isChangeDetected = true;
}
if (Parent != parent)
{
Parent.RemoveFromChild(this);
Parent = parent;
Parent.AddToChild(this);
isChangeDetected = true;
}
if (ParentNullable is null)
{
if (parentNullable is null)
{
//nothing to do
}
else
{
ParentNullable = parentNullable;
ParentNullable.AddToChild(this);
isChangeDetected = true;
}
}
else
{
if (parentNullable is null)
{
ParentNullable.RemoveFromChild(this);
ParentNullable = null;
isChangeDetected = true;
}
else
{
if (ParentNullable != parentNullable)
{
ParentNullable.RemoveFromChild(this);
ParentNullable = parentNullable;
ParentNullable.AddToChild(this);
isChangeDetected = true;
}
}
}
if (isChangeDetected)
{
onUpdated(clone);
if (Key >= 0)
{
DC.Data.ParentOneChild_Children.ItemHasChanged(clone, this);
}
else if (DC.Data.IsTransaction)
{
DC.Data.AddTransaction(new TransactionItem(11, TransactionActivityEnum.Update, Key, this, oldItem: clone));
}
HasChanged?.Invoke(clone, this);
}
#if DEBUG
DC.Trace?.Invoke($"Updated ParentOneChild_Child: {ToTraceString()}");
#endif
}
