public function FeedsSource::clear in Feeds 8.2

Remove all items from a feed.

This method only executes the current batch chunk, then returns. If you are looking to delete all items of a source, use FeedsSource::startClear() instead.

Return value

FEEDS_BATCH_COMPLETE if the clearing process finished. A decimal between 0.0 and 0.9 periodic if clearing is still in progress.

Throws

Throws Exception if an error occurs when clearing.

File

lib/Drupal/feeds/FeedsSource.php, line 302

Definition of FeedsSourceInterface and FeedsSource class.

Class

FeedsSource

This class encapsulates a source of a feed. It stores where the feed can be found and how to import it.

Namespace

Drupal\feeds

Code

public function clear() {
  $this
    ->acquireLock();
  try {
    $this->importer->fetcher
      ->clear($this);
    $this->importer->parser
      ->clear($this);
    $this->importer->processor
      ->clear($this);
  } catch (Exception $e) {

    // Do nothing.
  }
  $this
    ->releaseLock();

  // Clean up.
  $result = $this
    ->progressClearing();
  if ($result == FEEDS_BATCH_COMPLETE || isset($e)) {
    module_invoke_all('feeds_after_clear', $this);
    unset($this->state);
  }
  $this
    ->save();
  if (isset($e)) {
    throw $e;
  }
  return $result;
}