/**
* {@inheritdoc}
*/
public static function isEnabled()
{
// Don't load AcquiaPurgeCronProcessor when AcquiaPurgeRuntimeProcessor is
// enabled as well, since this can lead to double processing during cron.
// Although running AcquiaPurgeService::process() twice during the same
// request won't harm because of the built-in capacity calculation, it would
// mean that the second run won't purge anything as the former already did.
// See Drupal.org issue #2292773.
if (_acquia_purge_variable('acquia_purge_lateruntime')) {
return FALSE;
}
return (bool) _acquia_purge_variable('acquia_purge_cron');
}
/**
* Determine if the interactive UI should be visible or not.
*
* When the interactive UI is not presented to the end-user, processing of the
* queue via AJAX still happens. It happens silently in the background for as
* long as the administrative user that triggered it, has tabs to Drupal open.
*
* @return bool
* Either TRUE or FALSE.
*/
protected function isUiVisible()
{
// Always hide the processor in case this is requested.
if (_acquia_purge_variable('acquia_purge_silentmode') === TRUE) {
return FALSE;
}
// Only users with the 'purge on-screen' permission will actually see the
// UI, since it could be confusing for some users.
return user_access('purge on-screen');
}
/**
* Retrieve the loaded queue backend object.
*
* @return AcquiaPurgeQueueInterface
* The queue backend.
*/
public function queue()
{
if (is_null($this->queue)) {
// Assure that all dependent code is loaded, lets not rely on registry.
$state = $this->state();
// Load the configured smart or normal backend.
if (_acquia_purge_variable('acquia_purge_smartqueue')) {
_acquia_purge_load('queue/backend/AcquiaPurgeSmartQueue.php');
$this->queue = new AcquiaPurgeSmartQueue($state);
} else {
_acquia_purge_load('queue/backend/AcquiaPurgeEfficientQueue.php');
$this->queue = new AcquiaPurgeEfficientQueue($state);
}
}
return $this->queue;
}
/**
* {@inheritdoc}
*/
public static function isEnabled()
{
return (bool) _acquia_purge_variable('acquia_purge_lateruntime');
}