public function __construct()
{
$this->Domain = $this->Domain();
$this->Database = $this->Database();
$Registrar = new Registrar(IEntityRelationalMap::IEntityRelationalMapType);
$this->RegisterEntityRelationalMaps($Registrar);
foreach ($Registrar->GetRegistered() as $EntityRelationalMap) {
$this->AddEntityRelationMap($EntityRelationalMap);
}
}