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DIͱLaravel
@polidog
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ࣗݾհ
• @polidog
• ੩Ԭग़
• ౦ژͰSymfonyॻ͍ͯ͝൧৯͍ͯ·͢
• SymfonyϢʔβʔձͷਓ
• Symfony͖Ͱ͢
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Dependency Injectionʁ
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1 executor = $executor;
22 }
23
24 public function __invoke()
25 {
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ίϯϙʔωϯτؒͷґଘؔ
ΛϓϩάϥϜͷιʔείʔυ
͔Βഉআ͠ɺ֎෦ͷઃఆϑΝ
ΠϧͳͲͰೖͰ͖ΔΑ͏ʹ
͢ΔιϑτΣΞύλʔϯ
(wikipedia)
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ར༻͢ΔΦϒδΣΫτͷੜ
ʹؔ͢ΔࣝΛอ࣋͠ͳ͍
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ίϯετϥΫλͷҾͰ
ґଘ͢ΔΦϒδΣΫτΛࢦఆ
͢Δ
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1 executor = $executor;
22 }
23
24 public function __invoke()
25 {
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ͦͯ͠֎෦͔ΒͦͷΦϒδΣ
ΫτΛͯ͠Β͏
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ར༻͢ΔΦϒδΣΫτͷੜ
ʹؔ͢ΔࣝΛอ࣋͠ͳ͍ࣄ
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Service Container
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αʔϏείϯςφͱʁ
• ΦϒδΣΫτͷੜखॱͷཧ
• ੜͨ͠ΦϒδΣΫτͷཧ
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app()
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࣮ࡍʹDIΛମݧͯ͠ΈΔ
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1 executor = $executor;
22 }
23
24 public function __invoke()
25 {
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5
6 class Executor
7 {
8 /**
9 * @var Processor
10 */
11 private $output;
12
13 /**
14 * @var string
15 */
16 private $name;
17
18 /**
19 * Executor constructor.
20 * @param Processor $output
21 * @param string $name
22 */
23 public function __construct(Processor $output, string $name)
24 {
25 $this->output = $output;
26 $this->name = $name;
27 }
28
29 public function run() : string
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5
6 class Executor
7 {
8 /**
9 * @var Processor
10 */
11 private $output;
12
13 /**
14 * @var string
15 */
16 private $name;
17
18 /**
19 * Executor constructor.
20 * @param Processor $output
21 * @param string $name
22 */
23 public function __construct(Processor $output, string $name)
24 {
25 $this->output = $output;
26 $this->name = $name;
27 }
28
29 public function run() : string
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Binding Primitives
https://laravel.com/docs/5.7/container
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5 use App\Executor;
6 use Illuminate\Support\ServiceProvider;
7
8 class AppServiceProvider extends ServiceProvider
9 {
10 /**
11 * Bootstrap any application services.
12 *
13 * @return void
14 */
15 public function boot()
16 {
17 //
18 }
19
20 /**
21 * Register any application services.
22 *
23 * @return void
24 */
25 public function register()
26 {
27 $this->app->when(Executor::class)
28 ->needs('$name')
29 ->give(config('app.name'));
30 }
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Interface
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5
6 use App\ExecutorInterface;
7
8 class Index extends Controller
9 {
10 /**
11 * @var ExecutorInterface
12 */
13 private $executor;
14
15 /**
16 * Index constructor.
17 * @param ExecutorInterface $executor
18 */
19 public function __construct(ExecutorInterface $executor)
20 {
21 $this->executor = $executor;
22 }
23
24 public function __invoke()
25 {
26 return view('index', [
27 'message' => $this->executor->run()
28 ]);
29 }
30
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9 class AppServiceProvider extends ServiceProvider
10 {
11 /**
12 * Bootstrap any application services.
13 *
14 * @return void
15 */
16 public function boot()
17 {
18 //
19 }
20
21 /**
22 * Register any application services.
23 *
24 * @return void
25 */
26 public function register()
27 {
28 $this->app->bind(ExecutorInterface::class, Executor::class);
29 $this->app->when(Executor::class)
30 ->needs('$name')
31 ->give(config('app.name'));
32 }
33 }
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bind?
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ΦϒδΣΫτͷੜखॱΛొ
͢Δ
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make?
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࣮ࡍʹΦϒδΣΫτΛੜ͢
Δ
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?>