InvalidateVarnishObserver Class Reference

Inheritance diagram for InvalidateVarnishObserver:

Public Member Functions
	__construct (\Magento\PageCache\Model\Config $config, \Magento\CacheInvalidate\Model\PurgeCache $purgeCache)
	execute (\Magento\Framework\Event\Observer $observer)
Public Member Functions inherited from ObserverInterface
	execute (Observer $observer)

Protected Attributes
	$config
	$purgeCache

Detailed Description

Definition at line 10 of file InvalidateVarnishObserver.php.

Constructor & Destructor Documentation

__construct()

__construct	(	\Magento\PageCache\Model\Config	$config,
		\Magento\CacheInvalidate\Model\PurgeCache	$purgeCache
	)

Parameters

\Magento\PageCache\Model\Config	$config
\Magento\CacheInvalidate\Model\PurgeCache	$purgeCache

Definition at line 35 of file InvalidateVarnishObserver.php.

      {
        $this->config = $config;
        $this->purgeCache = $purgeCache;
    }

Member Function Documentation

execute()

execute

(

\Magento\Framework\Event\Observer

$observer

)

If Varnish caching is enabled it collects array of tags of incoming object and asks to clean cache.

Parameters

\Magento\Framework\Event\Observer

$observer

Returns

void

Definition at line 50 of file InvalidateVarnishObserver.php.

    {
        $object = $observer->getEvent()->getObject();
        if (!is_object($object)) {
            return;
        }
        if ($this->config->getType() == \Magento\PageCache\Model\Config::VARNISH && $this->config->isEnabled()) {
            $bareTags = $this->getTagResolver()->getTags($object);

            $tags = [];
            $pattern = "((^|,)%s(,|$))";
            foreach ($bareTags as $tag) {
                $tags[] = sprintf($pattern, $tag);
            }
            if (!empty($tags)) {
                $this->purgeCache->sendPurgeRequest(implode('|', array_unique($tags)));
            }
        }
    }

Field Documentation

$config

$config

protected

Definition at line 17 of file InvalidateVarnishObserver.php.

$purgeCache

$purgeCache

protected

Definition at line 22 of file InvalidateVarnishObserver.php.

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The documentation for this class was generated from the following file:

• vendor/magento/module-cache-invalidate/Observer/InvalidateVarnishObserver.php