protected function getChainModel($id) {
        if(!isset($this->chainModels[$id])){
           throw new InvalidArgumentException(sprintf("The chain model is not added or the id '%s' is invalid.",$id)); 
        }
        return $this->chainModels[$id];
    }
protected function getChainModel($id) {
        if(!isset($this->chainModels[$id])){
           throw new InvalidArgumentException(sprintf("The chain model is not added or the id '%s' is invalid.",$id)); 
        }
        return $this->chainModels[$id];
    }
protected function getChainModel ( $ id ) { if ( ! isset ( $ this -> chainModels [ $ id ] ) ) { throw new InvalidArgumentException ( sprintf ( "The chain model is not added or the id '%s' is invalid." , $ id ) ) ; } return $ this -> chainModels [ $ id ] ; }
Retorna un modelo de exportacion
@param type $id
@return ChainModel
@throws InvalidArgumentException
Retorna un modelo de exportacion