internal RecordItemEditOperation(SynchronizedType sType, IItemDataTyped data, RecordItemLock rLock)
{
m_sType = sType;
m_rLock = rLock;
m_data = data.Item.DeepClone().TypedData;
}
async Task<SynchronizedType> Ensure(string typeID, CancellationToken cancelToken)
{
using(await CrossThreadLockScope.Enter(m_lock))
{
WeakReference<SynchronizedType> viewRef = null;
SynchronizedType view = null;
if (m_views.TryGetValue(typeID, out viewRef))
{
viewRef.TryGetTarget(out view);
}
if (view != null)
{
return view;
}
view = new SynchronizedType(this, typeID);
await view.Load();
if (viewRef == null)
{
viewRef = new WeakReference<SynchronizedType>(view);
}
else
{
viewRef.SetTarget(view);
}
m_views[typeID] = viewRef;
return view;
}
}