public IEnumerable <EntityReference> GetChildSnapshotReferences <TChildSnapshot>(string parentType, string parentId) where TChildSnapshot : EntitySnapshot
{
using (GetContext(out SqliteContext context))
{
var snapshotSet = context.GetSnapshotSet <TChildSnapshot>();
string childType = EntityTypeLookups.GetEntityType(typeof(TChildSnapshot)).Name;
return(snapshotSet.Where(e => e.Parent.EntityType == parentType && e.Parent.EntityID == parentId)
.Select(e => e.EntityID)
.ToList()
.Select(id => new EntityReference(childType, id)));
}
}
public IEnumerable <EntityReference> GetSnapshotReferencesByParent(string parentType, string parentId)
{
ParentKey parentKey = new ParentKey(parentType, parentId);
List <TSnapshot> childSnapshot = null;
if (_parentMap.TryGetValue(parentKey, out childSnapshot))
{
foreach (var snapshot in childSnapshot)
{
yield return(new EntityReference(EntityTypeLookups.GetEntityType(typeof(TSnapshot)).Name, snapshot.EntityID));
}
}
}
public void StoreSnapshots(IEnumerable <EntitySnapshot> snapshots)
{
if (_isBatching)
{
foreach (var snapshot in snapshots)
{
EntityTypeLookups.StoreSnapshot(this, snapshot);
}
}
else
{
using (GetContext(out SqliteContext context))
{
StoreSnapshotsImpl(context, snapshots);
context.SaveChanges();
}
}
}
private void UpdateModelState(List <EventSaveInfo> changes)
{
using (StartUpdateBatch(true))
{
foreach (var change in changes)
{
change.EventSavedCallback(change);
if (change.NeedsAttach)
{
AttachToModel(change.Entity);
}
var changeSnapshots = change.GetSnapshots();
if (changeSnapshots != null)
{
foreach (var changeSnapshot in changeSnapshots)
{
EntityTypeLookups.StoreSnapshot(BudgetStore.SnapshotStore, changeSnapshot);
}
}
InternalMessageBus.PublishEvent(change.Event.EntityType, change.Event);
MessageBus.PublishEvent(change.Event.EntityType, change.Event);
}
}
}
