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<?php |
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/** |
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* @author Marwan Al-Soltany <[email protected]> |
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* @copyright Marwan Al-Soltany 2020 |
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* For the full copyright and license information, please view |
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* the LICENSE file that was distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace MAKS\AmqpAgent\Worker; |
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use ReflectionClass; |
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use MAKS\AmqpAgent\Helper\Singleton; |
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use MAKS\AmqpAgent\Worker\AbstractWorker; |
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/** |
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* An abstract decorator class implementing mapping functions (proxy functions) to turn a normal worker into a singleton. |
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* @since 1.0.0 |
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*/ |
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abstract class AbstractWorkerSingleton extends Singleton |
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{ |
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/** |
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* The full qualified name of the instantiated class. |
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* @var string |
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*/ |
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protected static $class; |
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/** |
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* The instance of the worker class (a class that extends AbstractWorker). |
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* Sub-classes of this class should instantiate a worker and set it |
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* to the protected $worker property in their __construct() method. |
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* @var AbstractWorker |
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*/ |
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protected $worker; |
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/** |
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* Returns an instance of the class this method was called on. |
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* @param array ...$arguments The same arguments of the normal worker. |
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* @return self |
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*/ |
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public static function getInstance() |
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{ |
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$worker = parent::getInstance(); |
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$workerReference = $worker->worker; |
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static::$class = get_class($workerReference); |
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$arguments = func_get_args(); |
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$argsCount = func_num_args(); |
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if ($argsCount > 0) { |
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$reflection = new ReflectionClass($workerReference); |
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1 |
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$properties = $reflection->getConstructor()->getParameters(); |
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1 |
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$index = 0; |
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1 |
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foreach ($properties as $property) { |
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$member = $property->getName(); |
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$workerReference->{$member} = $arguments[$index]; |
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1 |
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$index++; |
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1 |
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if ($index === $argsCount) { |
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break; |
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} |
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} |
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} |
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return $worker; |
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} |
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/** |
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* Gets a class member via public property access notation. |
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* @param string $member Property name. |
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* @return mixed |
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*/ |
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public function __get(string $member) |
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{ |
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if (defined(static::$class . '::' . $member)) { |
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return constant(static::$class . '::' . $member); |
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} elseif (isset(static::$class::$$member)) { |
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return static::$class::$$member; |
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} |
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return $this->worker->$member; |
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} |
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/** |
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* Sets a class member via public property assignment notation. |
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* @param string $member Property name. |
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* @param mixed $value Override for object property or a static property. |
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* @return void |
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*/ |
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public function __set(string $member, $value) |
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{ |
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if (isset(static::$class::$$member)) { |
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static::$class::$$member = $value; |
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return; |
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} |
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$this->worker->{$member} = $value; |
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} |
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/** |
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* Calls a method on a class that extend AbstractWorker and throws an exception for calls to undefined methods. |
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* @param string $method Function name. |
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* @param array $arguments Function arguments. |
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* @return mixed |
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*/ |
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public function __call(string $method, array $arguments) |
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{ |
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$function = [$this->worker, $method]; |
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$return = call_user_func_array($function, $arguments); |
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// check to return the right object to allow for trouble-free chaining. |
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if ($return instanceof $this->worker) { |
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return $this; |
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} |
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return $return; |
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} |
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/** |
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* Calls a method on a class that extend AbstractWorker and throws an exception for calls to undefined static methods. |
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* @param string $method Function name. |
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* @param array $arguments Function arguments. |
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* @return mixed |
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*/ |
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public static function __callStatic(string $method, array $arguments) |
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{ |
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$function = [static::$class, $method]; |
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$return = forward_static_call_array($function, $arguments); |
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return $return; |
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} |
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} |
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MarwanAlsoltany /
amqp-agent
