PHP Cron\CronExpression类代码示例

 /**
  * @covers Cron\CronExpression::isDue
  */
 public function testIsDueHandlesDifferentDates()
 {
     $cron = new CronExpression('* * * * *');
     $this->assertTrue($cron->isDue());
     $this->assertTrue($cron->isDue('now'));
     $this->assertTrue($cron->isDue(new \DateTime('now')));
     $this->assertTrue($cron->isDue(date('Y-m-d H:i')));
 }

 public function checkSchedule()
 {
     $timestamp = microtime(true);
     $hour = date('G');
     if (is_numeric($this->schedule)) {
         //If you need to perform at intervals, then check to see whether early to perform
         if (isset($this->previousTime) && $timestamp <= $this->previousTime + $this->schedule) {
             return;
         }
         $this->previousTime = $timestamp;
     } else {
         if (is_array($this->schedule)) {
             if (isset($this->previousTime) && $this->previousTime == $hour || !in_array($hour, $this->schedule)) {
                 return;
             }
             $this->previousTime = $hour;
         } else {
             if (is_string($this->schedule)) {
                 $nextRunDate = false;
                 try {
                     //See https://github.com/mtdowling/cron-expression
                     if (!isset($this->cronExpression)) {
                         $this->cronExpression = CronExpression::factory($this->schedule);
                     }
                     $nextRunDate = $this->cronExpression->getNextRunDate();
                 } catch (\Exception $e) {
                     $this->terminate();
                 }
                 //first step always skipped
                 if (!isset($this->previousTime)) {
                     $this->previousTime = $nextRunDate;
                 }
                 if ($this->previousTime == $nextRunDate) {
                     return;
                 }
                 $this->previousTime = $nextRunDate;
             } else {
                 //once
                 if (isset($this->previousTime)) {
                     return;
                 }
                 $this->previousTime = true;
             }
         }
     }
     //execute daemon now
     try {
         $this->daemon->run();
     } catch (\Exception $e) {
         $this->terminate();
     }
 }

 public function getInterval()
 {
     if (null === $this->interval && null !== $this->intervalExpression) {
         $this->interval = CronExpression::factory($this->intervalExpression);
     }
     return parent::getInterval();
 }

 public function __construct($id, $name, $command, $config)
 {
     $this->id = $id;
     $this->name = $name;
     $this->config = $config;
     if (is_string($command)) {
         // Command line string.
         $this->command = $command;
     } elseif ($command instanceof \Closure) {
         // Closure code.
         $this->command = $command;
     } elseif (is_array($command)) {
         // array
         if (isset($command["command"])) {
             $this->command = $command["command"];
         }
         if (isset($command["cron_time"])) {
             $this->cronTime = $command["cron_time"];
         }
         if (isset($command["max_processes"])) {
             $this->maxProcesses = $command["max_processes"];
         } else {
             $this->maxProcesses = false;
         }
     } else {
         throw new \InvalidArgumentException("Unsupported type of 'command'.");
     }
     if ($this->cronTime) {
         $this->cronExpression = CronExpression::factory($this->cronTime);
     }
 }

 /**
  * @Route("/index/")
  * @Template()
  */
 public function indexAction(Request $request)
 {
     $user = $this->get('user')->getCurrentUser();
     if (!$user->hasPermission('plugin_ingest_settings')) {
         return $this->redirect($this->generateUrl('newscoop_ingestplugin_entry_list'));
     }
     $em = $this->get('em');
     $translator = $this->get('translator');
     $ingestCron = $em->getRepository('Newscoop\\Entity\\CronJob')->findOneByName(self::INGEST_CRON_NAME);
     $defaultData = array('cron_custom' => $ingestCron->getSchedule());
     $form = $this->createFormBuilder($defaultData)->add('cron_custom', 'text', array('label' => 'plugin.ingest.settings.form.label.cron_custom', 'required' => true, 'attr' => array('help_text' => 'plugin.ingest.settings.form.help_text.cron_custom')))->add('save', 'submit', array('label' => 'plugin.ingest.settings.form.label.submit'))->getForm();
     if ($request->getMethod() == 'POST') {
         $form->handleRequest($request);
         if ($form->isValid()) {
             $data = $form->getData();
             // Add cornjob stuff
             if (array_key_exists('cron_custom', $data) && $data['cron_custom']) {
                 $cronString = $data['cron_custom'];
                 try {
                     $cronExpression = \Cron\CronExpression::factory($cronString);
                     $ingestCron->setSchedule($cronString);
                     $em->persist($ingestCron);
                 } catch (\Exception $e) {
                     $form->get('cron_custom')->addError(new FormError($e->getMessage()));
                 }
                 $em->flush();
             }
             $this->get('session')->getFlashBag()->add('notice', $translator->trans('plugin.ingest.settings.status.success'));
         }
     }
     return array('form' => $form->createView());
 }

 /**
  * @param InputInterface  $input
  * @param OutputInterface $output
  * @return int|null|void
  */
 protected function execute(InputInterface $input, OutputInterface $output)
 {
     $output->writeln('<info>Start : ' . ($this->dumpMode ? 'Dump' : 'Execute') . ' all scheduled command</info>');
     // Before continue, we check that the output file is valid and writable (except for gaufrette)
     if (false !== $this->logPath && strpos($this->logPath, 'gaufrette:') !== 0 && false === is_writable($this->logPath)) {
         $output->writeln('<error>' . $this->logPath . ' not found or not writable. You should override `log_path` in your config.yml' . '</error>');
         return;
     }
     $commands = $this->em->getRepository('JMoseCommandSchedulerBundle:ScheduledCommand')->findEnabledCommand();
     $noneExecution = true;
     foreach ($commands as $command) {
         /** @var ScheduledCommand $command */
         $cron = CronExpression::factory($command->getCronExpression());
         $nextRunDate = $cron->getNextRunDate($command->getLastExecution());
         $now = new \DateTime();
         if ($command->isExecuteImmediately()) {
             $noneExecution = false;
             $output->writeln('Immediately execution asked for : <comment>' . $command->getCommand() . '</comment>');
             if (!$input->getOption('dump')) {
                 $this->executeCommand($command, $output, $input);
             }
         } elseif ($nextRunDate < $now) {
             $noneExecution = false;
             $output->writeln('Command <comment>' . $command->getCommand() . '</comment> should be executed - last execution : <comment>' . $command->getLastExecution()->format('d/m/Y H:i:s') . '.</comment>');
             if (!$input->getOption('dump')) {
                 $this->executeCommand($command, $output, $input);
             }
         }
     }
     if (true === $noneExecution) {
         $output->writeln('Nothing to do.');
     }
 }

 /**
  * {@inheritdoc}
  */
 protected function execute(InputInterface $input, OutputInterface $output)
 {
     $dryRun = $input->getOption('dry-run');
     $content = $this->processConfig($this->crontab);
     $enviroment = isset($content['env']) ? $content['env'] : array();
     $commands = isset($content['commands']) ? $content['commands'] : array();
     foreach ($commands as $entry) {
         preg_match('/\\[(.*)\\](.*)/', $entry, $match);
         $tab = $match[1];
         $command = $match[2];
         $cron = CronExpression::factory($tab);
         $output->writeLn('<info>- Checking schedule entry: ' . $tab . '</info>');
         // If the cron is not due for execution, just skip
         if (!$cron->isDue()) {
             continue;
         }
         // Construct the fork command
         $fork = $command . " > " . $this->log . " 2>&1 & echo \$!";
         $output->writeLn('<info>- Command:</info> ' . $fork);
         // Start a new process
         if (!$dryRun) {
             exec($fork, $pid);
             $pid = current($pid);
             $output->writeLn('<info>- Process created:</info> ' . $pid);
         } else {
             $output->writeLn('<info>- Skipping execution (--dry-run)</info>');
         }
     }
 }

 /**
  * @param ArrayNodeDefinition $nodeDefinition
  * @return ArrayNodeDefinition
  *
  * @SuppressWarnings(PHPMD.CyclomaticComplexity)
  * @SuppressWarnings(PHPMD.NPathComplexity)
  */
 public function addTriggerNodes(ArrayNodeDefinition $nodeDefinition)
 {
     $nodeDefinition->children()->enumNode('event')->defaultNull()->values(ProcessTrigger::getAllowedEvents())->end()->scalarNode('field')->defaultNull()->end()->integerNode('priority')->defaultValue(Job::PRIORITY_DEFAULT)->end()->booleanNode('queued')->defaultFalse()->end()->scalarNode('time_shift')->defaultNull()->validate()->always(function ($value) {
         // if value is an integer value
         $integerValue = filter_var($value, FILTER_VALIDATE_INT);
         if (false !== $integerValue) {
             return $integerValue;
         }
         // if value is DateInterval spec
         try {
             return ProcessTrigger::convertDateIntervalToSeconds(new \DateInterval($value));
         } catch (\Exception $e) {
             throw new \LogicException(sprintf('Time shift "%s" is not compatible with DateInterval', $value));
         }
     })->end()->end()->scalarNode('cron')->defaultNull()->validate()->always(function ($value) {
         if ($value !== null) {
             // validate expression string
             CronExpression::factory($value);
         }
         return $value;
     })->end()->end()->end()->validate()->always(function ($data) {
         if ($data['event'] && $data['cron']) {
             throw new \LogicException('Only one child node "event" or "cron" must be configured.');
         }
         if ($data['cron'] && ($data['field'] || $data['queued'] || $data['time_shift'])) {
             throw new \LogicException('Nodes "field", "queued" and "time_shift" are only allowed with event node.');
         }
         if ($data['field'] && $data['event'] !== ProcessTrigger::EVENT_UPDATE) {
             throw new \LogicException('Field is only allowed for update event');
         }
         return $data;
     })->end();
     return $nodeDefinition;
 }

 public function addRepeatedJob(Job $job, $cronString, $enabled = true, $lockType = false)
 {
     // This will validate the string
     CronExpression::factory($cronString);
     $this->commandExecutor->execute(new PushRepeatedJob($this->id, $job, $lockType, $cronString, $enabled));
     return $job;
 }

 /**
  *  解析crontab的定时格式，linux只支持到分钟/，这个类支持到秒
  * @param string $crontab_string :
  *
  *      0     1    2    3    4    5
  *      *     *    *    *    *    *
  *      -     -    -    -    -    -
  *      |     |    |    |    |    |
  *      |     |    |    |    |    +----- day of week (0 - 6) (Sunday=0)
  *      |     |    |    |    +----- month (1 - 12)
  *      |     |    |    +------- day of month (1 - 31)
  *      |     |    +--------- hour (0 - 23)
  *      |     +----------- min (0 - 59)
  *      +------------- sec (0-59)
  * @param int $start_time timestamp [default=current timestamp]
  * @return int unix timestamp - 下一分钟内执行是否需要执行任务，如果需要，则把需要在那几秒执行返回
  * @throws InvalidArgumentException 错误信息
  */
 public static function parse($crontab_string, $start_time = null)
 {
     if (!preg_match('/^((\\*(\\/[0-9]+)?)|[0-9\\-\\,\\/]+)\\s+((\\*(\\/[0-9]+)?)|[0-9\\-\\,\\/]+)\\s+((\\*(\\/[0-9]+)?)|[0-9\\-\\,\\/]+)\\s+((\\*(\\/[0-9]+)?)|[0-9\\-\\,\\/]+)\\s+((\\*(\\/[0-9]+)?)|[0-9\\-\\,\\/]+)\\s+((\\*(\\/[0-9]+)?)|[0-9\\-\\,\\/]+)$/i', trim($crontab_string))) {
         if (!preg_match('/^((\\*(\\/[0-9]+)?)|[0-9\\-\\,\\/]+)\\s+((\\*(\\/[0-9]+)?)|[0-9\\-\\,\\/]+)\\s+((\\*(\\/[0-9]+)?)|[0-9\\-\\,\\/]+)\\s+((\\*(\\/[0-9]+)?)|[0-9\\-\\,\\/]+)\\s+((\\*(\\/[0-9]+)?)|[0-9\\-\\,\\/]+)$/i', trim($crontab_string))) {
             self::$error = "Invalid cron string: " . $crontab_string;
             return false;
         }
     }
     if ($start_time && !is_numeric($start_time)) {
         self::$error = "\$start_time must be a valid unix timestamp ({$start_time} given)";
         return false;
     }
     $cron = preg_split("/[\\s]+/i", trim($crontab_string));
     $start = empty($start_time) ? time() : $start_time;
     if (count($cron) == 5) {
         $date = array('second' => array(1 => 1), 'minutes' => self::_parse_cron_number($cron[0], 0, 59), 'hours' => self::_parse_cron_number($cron[1], 0, 23), 'day' => self::_parse_cron_number($cron[2], 1, 31), 'month' => self::_parse_cron_number($cron[3], 1, 12), 'week' => self::_parse_cron_number($cron[4], 0, 6));
         $cron = \Cron\CronExpression::factory($cron[0] . ' ' . $cron[1] . ' ' . $cron[2] . ' ' . $cron[3] . ' ' . $cron[4] . ' *');
     }
     if (in_array(intval(date('i', $start)), $date['minutes']) && in_array(intval(date('G', $start)), $date['hours']) && in_array(intval(date('j', $start)), $date['day']) && in_array(intval(date('w', $start)), $date['week']) && in_array(intval(date('n', $start)), $date['month'])) {
         $preDate = $cron->getPreviousRunDate()->format('Y-m-d H:i:s');
         $Nextdate = $cron->getNextRunDate()->format('Y-m-d H:i:s');
         return (strtotime($Nextdate) - $start + ($start - strtotime($preDate))) / 2;
     }
     return null;
 }

 public function testExecuteWithFail()
 {
     $singleTask = $this->createTask('Test workload 1', null, FailTestHandler::class);
     $laterTask = $this->createTask('Test workload 2', null, FailTestHandler::class);
     $intervalTask = $this->createTask('Test workload 3', CronExpression::factory('@daily'), FailTestHandler::class);
     /** @var TaskExecutionInterface[] $executions */
     $executions = [$this->createTaskExecution($singleTask, new \DateTime('-1 hour')), $this->createTaskExecution($laterTask, new \DateTime('+1 hour')), $this->createTaskExecution($intervalTask, new \DateTime('-2 hour'))];
     $this->commandTester->execute(['command' => $this->command->getName()]);
     $this->assertEquals(TaskStatus::FAILED, $executions[0]->getStatus());
     $this->assertNull($executions[0]->getResult());
     $this->assertGreaterThan(0, $executions[0]->getDuration());
     $this->assertGreaterThanOrEqual($executions[0]->getStartTime(), $executions[0]->getEndTime());
     $this->assertEquals(TaskStatus::PLANNED, $executions[1]->getStatus());
     $this->assertNull($executions[1]->getResult());
     $this->assertNull($executions[1]->getDuration());
     $this->assertNull($executions[1]->getStartTime());
     $this->assertNull($executions[1]->getEndTime());
     $this->assertEquals(TaskStatus::FAILED, $executions[2]->getStatus());
     $this->assertNull($executions[2]->getResult());
     $this->assertGreaterThan(0, $executions[2]->getDuration());
     $this->assertGreaterThanOrEqual($executions[2]->getStartTime(), $executions[2]->getEndTime());
     $result = $this->taskExecutionRepository->findAll(2, 3);
     $this->assertCount(1, $result);
     $this->assertEquals($intervalTask, $result[0]->getTask());
     $this->assertEquals(TaskStatus::PLANNED, $result[0]->getStatus());
     $this->assertEquals(FailTestHandler::class, $result[0]->getHandlerClass());
     $this->assertEquals('Test workload 3', $result[0]->getWorkload());
 }

 /**
  * @param string $schedule
  * @return bool
  */
 public function isDue($schedule)
 {
     $dateTime = \DateTime::createFromFormat('Y-m-d H:i:s', $schedule);
     if ($dateTime !== false) {
         return $dateTime->format('Y-m-d H:i') == date('Y-m-d H:i');
     }
     return CronExpression::factory((string) $schedule)->isDue();
 }

 public function __construct($attributes = [])
 {
     parent::__construct($attributes);
     $this->model->is_repeating_task = false;
     $this->model->cron_expression = '* * * * *';
     $this->model->status = DeferredQueue::STATUS_SCHEDULED;
     $cron = CronExpression::factory($this->model->cron_expression);
     $this->model->next_start = date('Y-m-d H:i:s', $cron->getNextRunDate()->getTimestamp());
 }

 /**
  * Start Due Jobs
  */
 public function startDueJobs($current_time = null)
 {
     foreach ($this->jobs as $job) {
         $schedule = CronExpression::factory($job->schedule);
         if ($schedule->isDue($current_time)) {
             $this->schedule->run($job);
         }
     }
 }

 /**
  * Checks whether the task is currently due
  * @return bool
  */
 public function isDue()
 {
     $expression = $this->getExpression();
     if (!$expression) {
         return false;
     }
     $cron = \Cron\CronExpression::factory($expression);
     return $cron->isDue();
 }