public ObjectTrackingInfo GetObjectTrackingInfo(object obj)
{
ObjectTrackingInfo info;
ObjectsTracking.TryGetValue(obj, out info);
return(info);
}
public bool TryAttachObject(object obj)
{
if (ObjectsTracking.ContainsKey(obj))
{
return(false);
}
AttachObject(obj);
return(true);
}
public ObjectTrackingInfo AttachObject(object objectToTrack)
{
//implement same as above but kindly throw exceptions instead
if (ObjectsTracking.ContainsKey(objectToTrack))
{
throw new Exception("Object is already being tracked");
}
return(GetTrackingInfo(objectToTrack));
}
public ObjectTrackingInfo GetTrackingInfo(object obj)
{
if (obj == null)
{
throw new ArgumentNullException("obj");
}
ObjectTrackingInfo objTrkInfo;
if (!ObjectsTracking.TryGetValue(obj, out objTrkInfo))
{
var entityMap = Context.ContextMap.EntityMaps.SingleOrDefault(q => q.EntityType == obj.GetType() || q.EntityType == obj.GetType().BaseType);
if (entityMap == null)
{
throw new Exception("Entity does not have an associated map.");
}
objTrkInfo = new ObjectTrackingInfo(obj, entityMap.GetDbSet(Context), false);
//entityMap.RelationshipMaps.Select(
ObjectsTracking.Add(obj, objTrkInfo);
}
return(objTrkInfo);
}
public void DetachObject(object objectToDetach)
{
ObjectsTracking.Remove(objectToDetach);
//traverse relationships and perform this recursively
}
