void setupCollection(IScheduler sched)
{
ChangeTrackingEnabled = true;
_sched = sched ?? RxApp.DeferredScheduler;
invalidateHash();
ItemsAdded.Subscribe(x => {
if (ChangeTrackingEnabled == false) {
return;
}
CreatedOn[x.ContentHash] = _sched.Now;
UpdatedOn[x.ContentHash] = _sched.Now;
});
ItemsRemoved.Subscribe(x => {
if (ChangeTrackingEnabled == false) {
return;
}
CreatedOn.Remove(x.ContentHash);
UpdatedOn.Remove(x.ContentHash);
});
ItemChanged.Subscribe(x => {
if (ChangeTrackingEnabled == false) {
return;
}
UpdatedOn[x.Sender.ContentHash] = _sched.Now;
});
Changed.Subscribe(_ => invalidateHash());
}
private void Initialize()
{
ItemsAdded.Subscribe(x =>
{
_toInsert.Add(x);
//Dump();
});
ItemsRemoved.Subscribe(x =>
{
if (x.IsNew)
{
_toInsert.Remove(x);
//Dump();
}
else
{
_toUpdate.Remove(x);
_toDelete.Add(x);
// Dump();
}
});
ItemChanged.Subscribe(x =>
{
if (!x.Sender.IsNew)
{
_toUpdate.Add(x.Sender);
// Dump();
}
});
}