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<?php |
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namespace DelayQueue; |
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use GuzzleHttp\Client as HttpClient; |
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use ReflectionClass; |
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use DelayQueue\Exception\ClassNotFoundException; |
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use DelayQueue\Exception\InvalidResponseBodyException; |
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use DelayQueue\Exception\SubClassException; |
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use Exception; |
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class DelayQueue |
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{ |
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/** |
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* @var string 延迟队列服务器地址 http://127.0.0.1:9277 |
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*/ |
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protected $server; |
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/** |
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* @var int httpClient超时设置 |
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*/ |
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protected $timeout = 10; |
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public function __construct($server) |
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{ |
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$this->server = rtrim($server, '/'); |
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} |
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/** |
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* @param int $timeout |
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*/ |
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public function setTimeout($timeout) |
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{ |
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$this->timeout = $timeout; |
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} |
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/** |
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* @return int |
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*/ |
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public function getTimeout() |
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{ |
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return $this->timeout; |
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} |
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/** |
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* 添加Job到延迟队列中 |
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* |
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* @param string $className 处理Job的类名, 必须是[DelayQueue\Handler\AbstractHandler]的子类 |
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* @param Job $job |
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* @throws ClassNotFoundException |
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* @throws Exception |
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* @throws InvalidResponseBodyException |
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* @throws SubClassException |
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*/ |
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public function push($className, Job $job) |
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{ |
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$this->validateClassName($className); |
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$job->appendValueToBody('className', $className); |
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$response = $this->getHttpClient()->post('/push', [ |
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'json' => $job, |
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]); |
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$this->checkResponseBody($response->json()); |
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} |
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/** |
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* 从队列中取出已过期的Job |
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* |
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* @param array $topics 队列名称 |
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* @return null|array |
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* @throws Exception |
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* @throws InvalidResponseBodyException |
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*/ |
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public function pop(array $topics) |
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{ |
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if (!$topics) { |
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return null; |
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} |
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$response = $this->getHttpClient()->post('/pop', [ |
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'json' => [ |
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'topic' => implode(',', $topics), |
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] |
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]); |
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$data = $response->json(); |
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$this->checkResponseBody($data); |
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if (!isset($data['data']) || empty($data['data'])) { |
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return null; |
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} |
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if (!isset($data['data']['id']) || !isset($data['data']['body'])) { |
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throw new InvalidResponseBodyException('response body miss required parameter, id or body'); |
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} |
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$id = $data['data']['id']; |
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$body = json_decode($data['data']['body'], true); |
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if (!isset($body['className'])) { |
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throw new InvalidResponseBodyException('response body miss required parameter className'); |
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} |
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$className = $body['className']; |
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unset($body['className']); |
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return [ |
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'className' => $className, |
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'id' => $id, |
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'body' => $body, |
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]; |
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} |
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/** |
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* 从延迟队列中删除Job |
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* |
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* @param string $id Job唯一标识 |
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* @throws Exception |
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* @throws InvalidResponseBodyException |
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*/ |
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View Code Duplication |
public function delete($id) |
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{ |
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$response = $this->getHttpClient()->post('/delete', [ |
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'json' => [ |
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'id' => $id |
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] |
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]); |
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$body = $response->json(); |
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$this->checkResponseBody($body); |
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} |
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/** |
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* Job处理完成, 确认删除 |
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* |
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* @param string $id Job唯一标识 |
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* @return true |
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* @throws Exception |
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* @throws InvalidResponseBodyException |
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*/ |
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View Code Duplication |
public function finish($id) |
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{ |
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$response = $this->getHttpClient()->post('/finish', [ |
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'json' => [ |
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'id' => $id, |
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] |
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]); |
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$body = $response->json(); |
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$this->checkResponseBody($body); |
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} |
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public function validateClassName($className) { |
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if (!class_exists($className)) { |
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throw new ClassNotFoundException(sprintf('can not find class [%s]', $className)); |
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} |
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$reflection = new ReflectionClass($className); |
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$parentClassName = 'DelayQueue\Handler\AbstractHandler'; |
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if (!$reflection->isSubclassOf($parentClassName)) { |
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throw new SubClassException(sprintf('[%s] is not subclass of [%s]', $className, $parentClassName)); |
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} |
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} |
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protected function getHttpClient() |
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{ |
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$httpClient = new HttpClient( |
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[ |
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'base_url' => $this->server, |
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'defaults' => [ |
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'timeout' => $this->timeout, |
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'allow_redirects' => false, |
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] |
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] |
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); |
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return $httpClient; |
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} |
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/** |
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* @param array $body |
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* @throws Exception |
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* @throws InvalidResponseBodyException |
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*/ |
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protected function checkResponseBody(array $body) |
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{ |
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if (!array_key_exists('code', $body) || !array_key_exists('message', $body)) { |
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throw new InvalidResponseBodyException('response body miss required parameter, code or message'); |
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} |
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if ($body['code'] !== 0) { |
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throw new Exception($body['message']); |
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} |
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} |
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} |
ouqiang /
delayqueue-php
Loading history...
This check marks implicit conversions of arrays to boolean values in a comparison. While in PHP an empty array is considered to be equal (but not identical) to false, this is not always apparent.
Consider making the comparison explicit by using
empty(..)or! empty(...)instead.