vol.4Builder

Builder

class Director { private $builder;

public function __construct($builder) { $this->builder = $builder; }

public function make() { $this->builder->preprocess(); $this->builder->execute(); $this->builder->postprocess(); return $this->builder->getResult(); }}

interface Builder { public function preprocess();

public function execute();

public function postprocess();

public function getResult();}

DirectorBuilderBuilder