protected TEntity FindReferenced(int key, TEntity entity, bool fallback)
{
var referenced = ReferencedGroup.FindEntity(key);
if (referenced == null)
{
if (fallback)
{
var manager = entity.Manager;
// TODO: If loaded entity is to be deleted load all components as well
referenced = (manager.FindEntity(key) ?? manager.LoadEntity(key)) as TEntity;
}
else if (!ReferencedGroup.IsLoading)
{
throw new InvalidOperationException(
$"Couldn't find entity '{key}' in '{ReferencedGroup.Name}' referenced from entity '{entity.Id}'"
+ $" in '{ReferencingGroup.Name}' through '{Name}'");
}
}
return(referenced);
}
public bool ContainsEntity(TEntity entity) => KeyValueGetter.TryGetKey(entity, new IPropertyValueChange[0], getOldValue: false, out var referencedId) && ReferencedGroup.ContainsEntity(referencedId);
