internal void AddResource(object resource)
{
IList entitySetInstance = EntitySetDictionary.GetEntitySet(resource.GetType());
foreach (object entity in entitySetInstance)
{
// check if there is not another instance with the same id
if (EqualKeys(resource, entity))
{
throw new DataServiceException(500, "An entity with the given key already exists");
}
}
entitySetInstance.Add(resource);
}
} // SetReference
public virtual void SaveChanges()
{
foreach (KeyValuePair <object, EntityState> pendingChange in this.PendingChanges)
{
switch (pendingChange.Value)
{
case EntityState.Added:
AddResource(pendingChange.Key);
break;
case EntityState.Deleted:
// find the entity set for the object
IList entitySetInstance = EntitySetDictionary.GetEntitySet(pendingChange.Key.GetType());
DeleteEntity(entitySetInstance, pendingChange.Key, true /*throwIfNotPresent*/);
break;
default:
throw new Exception("Unsupported State");
}
}
this.PendingChanges.Clear();
} // SaveChanges
