}//method
public static EntityRecord GetEntityRefTarget(EntityRecord record, EntityMemberInfo member)
{
// Current value is null (meaning not set, yet). We must figure it out.
// 1. If corresponding FK is null, then value is DbNull.
var fromKey = member.ReferenceInfo.FromKey;
var toKey = member.ReferenceInfo.ToKey;
if (!record.KeyIsLoaded(fromKey) && record.Status != EntityStatus.New)
{
record.Reload();
}
if (record.KeyIsNull(fromKey))
{
return(null);
}
// 2. The key is not null, let's lookup the record by FK; maybe it was already loaded
var fkValue = new EntityKey(fromKey, record);
var targetEntity = toKey.Entity;
//Compute pkValue on target entity
var pkValue = new EntityKey(targetEntity.PrimaryKey, fkValue.Values);
//If Session available, ask session for existing record
EntityRecord targetRec;
if (record.Session != null)
{
targetRec = record.Session.GetRecord(pkValue, LoadFlags.Stub); //either already loaded or a stub
}
else
{
targetRec = new EntityRecord(pkValue); //create detached stub
}
return(targetRec);
}//method