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<?php |
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use Amp\Delayed; |
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use PHPinnacle\Ensign\Dispatcher; |
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use PHPinnacle\Ensign\Processor; |
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require __DIR__ . '/../vendor/autoload.php'; |
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class Publish |
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{ |
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public $signal; |
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public $arguments; |
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public function __construct(string $signal, ...$arguments) |
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{ |
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$this->signal = $signal; |
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$this->arguments = $arguments; |
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} |
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} |
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class Publisher |
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{ |
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private $processor; |
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private $listeners = []; |
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public function __construct(Processor $processor) |
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{ |
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$this->processor = $processor; |
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} |
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public function listen(string $signal, callable $listener): self |
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{ |
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$this->listeners[$signal][] = $listener; |
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return $this; |
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} |
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public function __invoke(Publish $message) |
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{ |
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$listeners = $this->listeners[$message->signal] ?? []; |
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yield \array_map(function ($listener) use ($message) { |
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return $this->processor->execute($listener, $message->arguments); |
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}, $listeners); |
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} |
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} |
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Amp\Loop::run(function () { |
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$processor = new Processor(); |
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$publisher = new Publisher($processor); |
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$publisher |
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->listen('print', function ($num) { |
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for ($i = 0; $i < $num; $i++) { |
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echo '-'; |
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yield new Delayed(100); |
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} |
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}) |
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->listen('print', function ($num) { |
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for ($i = 0; $i < $num; $i++) { |
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echo '+'; |
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yield new Delayed(100); |
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} |
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}) |
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->listen('print', function ($num) { |
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for ($i = 0; $i < $num; $i++) { |
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echo '*'; |
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yield new Delayed(50); |
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} |
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}) |
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; |
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$dispatcher = new Dispatcher($processor); |
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$dispatcher |
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->register(Publish::class, $publisher) |
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; |
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yield $dispatcher->dispatch(new Publish('print', 10)); |
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}); |
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