carno-php /
hrpc
| 1 | <?php |
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| 2 | /** |
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| 3 | * Service dispatcher init |
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| 4 | * User: moyo |
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| 5 | * Date: 13/12/2017 |
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| 6 | * Time: 10:48 AM |
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| 7 | */ |
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| 8 | |||
| 9 | namespace Carno\HRPC\Components; |
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| 10 | |||
| 11 | use Carno\Console\App; |
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| 12 | use Carno\Console\Component; |
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| 13 | use Carno\Console\Contracts\Application; |
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| 14 | use Carno\Console\Contracts\Bootable; |
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| 15 | use Carno\Container\DI; |
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| 16 | use Carno\Promise\Promise; |
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| 17 | use Carno\RPC\Service\Dispatcher as RDispatcher; |
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| 18 | use Carno\RPC\Service\Scanner; |
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0 ignored issues
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| 19 | use Throwable; |
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| 20 | |||
| 21 | class Dispatcher extends Component implements Bootable |
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| 22 | { |
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| 23 | /** |
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| 24 | * @var array |
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| 25 | */ |
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| 26 | protected $dependencies = [Scanner::class]; |
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| 27 | |||
| 28 | /** |
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| 29 | * @param Application|App $app |
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| 30 | */ |
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| 31 | public function starting(Application $app) : void |
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| 32 | { |
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| 33 | /** |
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| 34 | * @var RDispatcher $dispatcher |
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| 35 | */ |
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| 36 | |||
| 37 | $dispatcher = DI::set(RDispatcher::class, DI::object(RDispatcher::class)); |
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| 38 | |||
| 39 | $started = $app->starting()->done(); |
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| 40 | $shutdown = Promise::deferred(); |
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| 41 | |||
| 42 | $app->starting()->add(static function () use ($dispatcher, $started, $shutdown) { |
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| 43 | $dispatcher->preparing($started, $shutdown)->catch(function (Throwable $e) { |
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| 44 | logger('hrpc')->error( |
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| 45 | 'Service startup failed when initialize', |
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| 46 | ['ec' => get_class($e), 'em' => $e->getMessage()] |
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| 47 | ); |
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| 48 | }); |
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| 49 | }); |
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| 50 | |||
| 51 | $app->stopping()->add(static function () use ($shutdown) { |
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| 52 | $shutdown->resolve(); |
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| 53 | }); |
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| 54 | } |
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| 55 | } |
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| 56 |
Let?s assume that you have a directory layout like this:
. |-- OtherDir | |-- Bar.php | `-- Foo.php `-- SomeDir `-- Foo.phpand let?s assume the following content of
Bar.php:If both files
OtherDir/Foo.phpandSomeDir/Foo.phpare loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.phpHowever, as
OtherDir/Foo.phpdoes not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: