function CacheTagsChecksumTrait::invalidateTags

Implements \Drupal\Core\Cache\CacheTagsInvalidatorInterface::invalidateTags()

File

core/lib/Drupal/Core/Cache/CacheTagsChecksumTrait.php, line 53

Class

CacheTagsChecksumTrait

A trait for cache tag checksum implementations.

Namespace

Code

public function invalidateTags(array $tags) {
    foreach ($tags as $key => $tag) {
        if (isset($this->invalidatedTags[$tag])) {
            unset($tags[$key]);
        }
        else {
            $this->invalidatedTags[$tag] = TRUE;
            unset($this->tagCache[$tag]);
        }
    }
    if (!$tags) {
        return;
    }
    $in_transaction = $this->getDatabaseConnection()
        ->inTransaction();
    if ($in_transaction) {
        if (empty($this->delayedTags)) {
            // @todo in drupal:11.0.0, remove the conditional and only call the
            //   TransactionManager().
            if ($this->getDatabaseConnection()
                ->transactionManager()) {
                $this->getDatabaseConnection()
                    ->transactionManager()
                    ->addPostTransactionCallback([
                    $this,
                    'rootTransactionEndCallback',
                ]);
            }
            else {
                $this->getDatabaseConnection()
                    ->addRootTransactionEndCallback([
                    $this,
                    'rootTransactionEndCallback',
                ]);
            }
        }
        $this->delayedTags = Cache::mergeTags($this->delayedTags, $tags);
    }
    else {
        $this->doInvalidateTags($tags);
    }
}