internal void UpdateFromIntermediate(Action <ICacheUpdater <TObject, TKey> > updateAction)
{
if (updateAction == null)
{
throw new ArgumentNullException(nameof(updateAction));
}
lock (_locker)
{
ChangeSet <TObject, TKey> changes = null;
_editLevel++;
if (_editLevel == 1)
{
var previewHandler = _changesPreview.HasObservers ? (Action <ChangeSet <TObject, TKey> >)InvokePreview : null;
changes = _readerWriter.Write(updateAction, previewHandler, _changes.HasObservers);
}
else
{
_readerWriter.WriteNested(updateAction);
}
_editLevel--;
if (_editLevel == 0)
{
InvokeNext(changes);
}
}
}
/// <inheritdoc />
public void Edit([NotNull] Action <IExtendedList <T> > updateAction)
{
if (updateAction == null)
{
throw new ArgumentNullException(nameof(updateAction));
}
lock (_writeLock)
{
IChangeSet <T> changes = null;
_editLevel++;
if (_editLevel == 1)
{
if (_changesPreview.HasObservers)
{
changes = _readerWriter.WriteWithPreview(updateAction, InvokeNextPreview);
}
else
{
changes = _readerWriter.Write(updateAction);
}
}
else
{
_readerWriter.WriteNested(updateAction);
}
_editLevel--;
if (_editLevel == 0)
{
InvokeNext(changes);
}
}
}
