Resolves a cache miss.

When an offset is not found in the object, this is treated as a cache miss. This method allows classes using this implementation to look up the actual value and allow it to be cached.

Parameters

string $key: The offset that was requested.

Return value

mixed The value of the offset, or NULL if no value was found.

Overrides CacheCollector::resolveCacheMiss

1 call to IconCollector::resolveCacheMiss()

IconCollector::get in core/lib/Drupal/Core/Theme/Icon/IconCollector.php

Gets value from the cache.

File

core/lib/Drupal/Core/Theme/Icon/IconCollector.php, line 61

Class

IconCollector

A CacheCollector implementation for building icons info.

Namespace

Drupal\Core\Theme\Icon

Code

public function resolveCacheMiss($key, array $definition = []) : ?IconDefinitionInterface {
  $icon = $this->getIconFromExtractor($key, $definition);
  $this->storage[$key] = $icon;
  $this->persist($key);
  return $icon;
}

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