PHP code example of prestashop / circuit-breaker

1. Go to this page and download the library: Download prestashop/circuit-breaker 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/ */

prestashop / circuit-breaker example snippets


use PrestaShop\CircuitBreaker\SimpleCircuitBreakerFactory;
use PrestaShop\CircuitBreaker\FactorySettings;
use PrestaShop\CircuitBreaker\Client\GuzzleClient

$circuitBreakerFactory = new SimpleCircuitBreakerFactory();
$factorySettings = new FactorySettings(2, 0.1, 10);
$factorySettings->setClient(new GuzzleHttpClient());

$circuitBreaker = $circuitBreakerFactory->create($factorySettings);


use PrestaShop\CircuitBreaker\SimpleCircuitBreakerFactory;
use PrestaShop\CircuitBreaker\FactorySettings;

$circuitBreakerFactory = new SimpleCircuitBreakerFactory();
$circuitBreaker = $circuitBreakerFactory->create(new FactorySettings(2, 0.1, 10));

$fallbackResponse = function () {
    return '{}';
};

$response = $circuitBreaker->call('https://api.domain.com', [], $fallbackResponse);


use PrestaShop\CircuitBreaker\SimpleCircuitBreakerFactory;
use PrestaShop\CircuitBreaker\FactorySettings;

$circuitBreakerFactory = new SimpleCircuitBreakerFactory();
$circuitBreaker = $circuitBreakerFactory->create(new FactorySettings(2, 0.1, 10));
$response = $circuitBreaker->call('https://unreacheable.api.domain.com', []); // $response == ''


use PrestaShop\CircuitBreaker\SimpleCircuitBreakerFactory;
use PrestaShop\CircuitBreaker\FactorySettings;

$circuitBreakerFactory = new SimpleCircuitBreakerFactory();
$settings = new FactorySettings(2, 0.1, 10);
$settings->setClientOptions(['method' => 'POST']);
$circuitBreaker = $circuitBreakerFactory->create($settings);
$response = $circuitBreaker->call('https://api.domain.com/create/user', ['body' => ['firstname' => 'John', 'lastname' => 'Doe']]);


use Doctrine\Common\Cache\FilesystemCache;
use PrestaShop\CircuitBreaker\AdvancedCircuitBreakerFactory;
use PrestaShop\CircuitBreaker\FactorySettings;
use PrestaShop\CircuitBreaker\Storage\DoctrineCache;

$circuitBreakerFactory = new AdvancedCircuitBreakerFactory();
$settings = new FactorySettings(2, 0.1, 60); //60 seconds threshold

//Once the circuit breaker is open, the fallback response will be returned instantly during the next 60 seconds
//Since the state is persisted even other requests/processes will be aware that the circuit breaker is open
$doctrineCache = new FilesystemCache(_PS_CACHE_DIR_ . '/addons_category');
$storage = new DoctrineCache($doctrineCache);
$settings->setStorage($storage);

$circuitBreaker = $circuitBreakerFactory->create($settings);
$response = $circuitBreaker->call('https://unreachable.api.domain.com/create/user', []);