public function Batch::start in Simple XML sitemap 8.2

Starts the batch process depending on where it was requested from.

File

src/Batch.php, line 60

Class

Batch

Class Batch @package Drupal\simple_sitemap\Batch

Namespace

Drupal\simple_sitemap

Code

public function start() {
  switch ($this->batchSettings['from']) {
    case 'form':

      // Start batch process.
      batch_set($this->batch);
      return TRUE;
    case 'drush':

      // Start drush batch process.
      batch_set($this->batch);

      // See https://www.drupal.org/node/638712
      $this->batch =& batch_get();
      $this->batch['progressive'] = FALSE;
      drush_log($this
        ->t(self::BATCH_INIT_MESSAGE), 'status');
      drush_backend_batch_process();
      return TRUE;
    case 'backend':

      // Start backend batch process.
      batch_set($this->batch);

      // See https://www.drupal.org/node/638712
      $this->batch =& batch_get();
      $this->batch['progressive'] = FALSE;

      // todo: Does not take advantage of batch API and eventually runs out of memory on very large sites. Use queue API instead?
      batch_process();
      return TRUE;
    case 'nobatch':

      // Call each batch operation the way the Drupal batch API would do, but
      // within one process (so in fact not using batch API here, just
      // mimicking it to avoid code duplication).
      $context = [];
      foreach ($this->batch['operations'] as $i => $operation) {
        $operation[1][] =& $context;
        call_user_func_array($operation[0], $operation[1]);
      }
      $this
        ->finishGeneration(TRUE, !empty($context['results']) ? $context['results'] : [], []);
      return TRUE;
  }
  return FALSE;
}