PHP code example of lmc / cqrs-types

1. Go to this page and download the library: Download lmc/cqrs-types library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

lmc / cqrs-types example snippets


class MyQueryHandler extends AbstractQueryHandler
{
    public function supports(QueryInterface $query): bool
    {
        return $query->getRequestType() === ExpectedRequestClass::class;
    }

    public function handle(QueryInterface $query, OnSuccessInterface $onSuccess, OnErrorInterface $onError): void
    {
        if (!$this->assertIsSupported(ExpectedRequestClass::class, $query, $onError)) {
            return;
        }

        try {
            $response = ...;    // handle query/command ...
            $onSuccess($response);
        } catch (\Throwable $e) {
            $onError($e);
        }
    }
}


$decoder = new CallbackResponseDecoder(
    fn (string $response, $initiator) => is_string($response),
    fn (string $response) => sprintf('decoded:%s', $response),
);