class CacheableNormalization

Same name in other branches
  1. 9 core/modules/jsonapi/src/Normalizer/Value/CacheableNormalization.php \Drupal\jsonapi\Normalizer\Value\CacheableNormalization
  2. 8.9.x core/modules/jsonapi/src/Normalizer/Value/CacheableNormalization.php \Drupal\jsonapi\Normalizer\Value\CacheableNormalization
  3. 10 core/modules/jsonapi/src/Normalizer/Value/CacheableNormalization.php \Drupal\jsonapi\Normalizer\Value\CacheableNormalization

Use to store normalized data and its cacheability.

@internal JSON:API maintains no PHP API since its API is the HTTP API. This class may change at any time and this will break any dependencies on it.

Hierarchy

Expanded class hierarchy of CacheableNormalization

See also

https://www.drupal.org/project/drupal/issues/3032787

jsonapi.api.php

17 files declare their use of CacheableNormalization
DataNormalizer.php in core/modules/jsonapi/src/Normalizer/DataNormalizer.php
EntityReferenceFieldNormalizer.php in core/modules/jsonapi/src/Normalizer/EntityReferenceFieldNormalizer.php
FieldItemNormalizer.php in core/modules/jsonapi/src/Normalizer/FieldItemNormalizer.php
FieldItemNormalizerTest.php in core/modules/jsonapi/tests/src/Kernel/Normalizer/FieldItemNormalizerTest.php
FieldNormalizer.php in core/modules/jsonapi/src/Normalizer/FieldNormalizer.php

... See full list

File

core/modules/jsonapi/src/Normalizer/Value/CacheableNormalization.php, line 19

Namespace

Drupal\jsonapi\Normalizer\Value
View source
class CacheableNormalization extends TemporaryArrayObjectThrowingExceptions implements CacheableDependencyInterface {
    use CacheableDependencyTrait;
    
    /**
     * A normalized value.
     *
     * @var mixed
     */
    protected $normalization;
    
    /**
     * CacheableNormalization constructor.
     *
     * @param \Drupal\Core\Cache\CacheableDependencyInterface $cacheability
     *   The cacheability metadata for the normalized data.
     * @param array|string|int|float|bool|null $normalization
     *   The normalized data. This value must not contain any
     *   CacheableNormalizations.
     */
    public function __construct(CacheableDependencyInterface $cacheability, $normalization) {
        assert(is_array($normalization) && static::hasNoNestedInstances($normalization) || is_string($normalization) || is_int($normalization) || is_float($normalization) || is_bool($normalization) || is_null($normalization));
        $this->normalization = $normalization;
        $this->setCacheability($cacheability);
    }
    
    /**
     * Creates a CacheableNormalization instance without any special cacheability.
     *
     * @param array|string|int|float|bool|null $normalization
     *   The normalized data. This value must not contain any
     *   CacheableNormalizations.
     *
     * @return static
     *   The CacheableNormalization.
     */
    public static function permanent($normalization) {
        return new static(new CacheableMetadata(), $normalization);
    }
    
    /**
     * Gets the decorated normalization.
     *
     * @return array|string|int|float|bool|null
     *   The normalization.
     */
    public function getNormalization() {
        return $this->normalization;
    }
    
    /**
     * Converts the object to a CacheableOmission if the normalization is empty.
     *
     * @return self|\Drupal\jsonapi\Normalizer\Value\CacheableOmission
     *   A CacheableOmission if the normalization is considered empty, self
     *   otherwise.
     */
    public function omitIfEmpty() {
        return empty($this->normalization) ? new CacheableOmission($this) : $this;
    }
    
    /**
     * Gets a new CacheableNormalization with an additional dependency.
     *
     * @param \Drupal\Core\Cache\CacheableDependencyInterface $dependency
     *   The new cacheable dependency.
     *
     * @return static
     *   A new object based on the current value with an additional cacheable
     *   dependency.
     */
    public function withCacheableDependency(CacheableDependencyInterface $dependency) {
        return new static(CacheableMetadata::createFromObject($this)->addCacheableDependency($dependency), $this->normalization);
    }
    
    /**
     * Collects an array of CacheableNormalizations into a single instance.
     *
     * @param \Drupal\jsonapi\Normalizer\Value\CacheableNormalization[] $cacheable_normalizations
     *   An array of CacheableNormalizations.
     *
     * @return static
     *   A new CacheableNormalization. Each input value's cacheability will be
     *   merged into the return value's cacheability. The return value's
     *   normalization will be an array of the input's normalizations. This method
     *   does *not* behave like array_merge() or NestedArray::mergeDeep().
     */
    public static function aggregate(array $cacheable_normalizations) {
        assert(Inspector::assertAllObjects($cacheable_normalizations, CacheableNormalization::class));
        return new static(array_reduce($cacheable_normalizations, function (CacheableMetadata $merged, CacheableNormalization $item) {
            return $merged->addCacheableDependency($item);
        }, new CacheableMetadata()), array_reduce(array_keys($cacheable_normalizations), function ($merged, $key) use ($cacheable_normalizations) {
            if (!$cacheable_normalizations[$key] instanceof CacheableOmission) {
                $merged[$key] = $cacheable_normalizations[$key]->getNormalization();
            }
            return $merged;
        }, []));
    }
    
    /**
     * Ensures that no nested values are instances of this class.
     *
     * @param array|\Traversable $array
     *   The traversable object which may contain instance of this object.
     *
     * @return bool
     *   Whether the given object or its children have CacheableNormalizations in
     *   them.
     */
    protected static function hasNoNestedInstances($array) {
        foreach ($array as $value) {
            if (is_iterable($value) && !static::hasNoNestedInstances($value) || $value instanceof static) {
                return FALSE;
            }
        }
        return TRUE;
    }

}

Members

Title Sort descending Modifiers Object type Summary Overrides
CacheableDependencyTrait::$cacheContexts protected property Cache contexts.
CacheableDependencyTrait::$cacheMaxAge protected property Cache max-age.
CacheableDependencyTrait::$cacheTags protected property Cache tags.
CacheableDependencyTrait::getCacheContexts public function 4
CacheableDependencyTrait::getCacheMaxAge public function 4
CacheableDependencyTrait::getCacheTags public function 4
CacheableDependencyTrait::setCacheability protected function Sets cacheability; useful for value object constructors.
CacheableNormalization::$normalization protected property A normalized value.
CacheableNormalization::aggregate public static function Collects an array of CacheableNormalizations into a single instance.
CacheableNormalization::getNormalization public function Gets the decorated normalization. 1
CacheableNormalization::hasNoNestedInstances protected static function Ensures that no nested values are instances of this class.
CacheableNormalization::omitIfEmpty public function Converts the object to a CacheableOmission if the normalization is empty.
CacheableNormalization::permanent public static function Creates a CacheableNormalization instance without any special cacheability. 1
CacheableNormalization::withCacheableDependency public function Gets a new CacheableNormalization with an additional dependency.
CacheableNormalization::__construct public function CacheableNormalization constructor. 1
TemporaryArrayObjectThrowingExceptions::append public function Append a value to the ArrayObject.
TemporaryArrayObjectThrowingExceptions::asort public function Sort the ArrayObject.
TemporaryArrayObjectThrowingExceptions::count public function Count the ArrayObject.
TemporaryArrayObjectThrowingExceptions::exchangeArray public function Exchange the current array with another array or object.
TemporaryArrayObjectThrowingExceptions::getArrayCopy public function Exports the \ArrayObject to an array.
TemporaryArrayObjectThrowingExceptions::getFlags public function Gets the behavior flags of the \ArrayObject.
TemporaryArrayObjectThrowingExceptions::getIterator public function Create a new iterator from an ArrayObject instance.
TemporaryArrayObjectThrowingExceptions::getIteratorClass public function Gets the class name of the array iterator that is used by \ArrayObject::getIterator().
TemporaryArrayObjectThrowingExceptions::ksort public function Sort the entries by key.
TemporaryArrayObjectThrowingExceptions::natcasesort public function Sort an array using a case insensitive "natural order" algorithm.
TemporaryArrayObjectThrowingExceptions::natsort public function Sort entries using a "natural order" algorithm.
TemporaryArrayObjectThrowingExceptions::offsetExists public function Returns whether the requested index exists.
TemporaryArrayObjectThrowingExceptions::offsetGet public function Returns the value at the specified index.
TemporaryArrayObjectThrowingExceptions::offsetSet public function Sets the value at the specified index to new value.
TemporaryArrayObjectThrowingExceptions::offsetUnset public function Unsets the value at the specified index.
TemporaryArrayObjectThrowingExceptions::setFlags public function Sets the behavior flags for the \ArrayObject.
TemporaryArrayObjectThrowingExceptions::setIteratorClass public function Sets the iterator classname for the \ArrayObject.
TemporaryArrayObjectThrowingExceptions::uasort public function Sort the entries with a user-defined comparison function.
TemporaryArrayObjectThrowingExceptions::uksort public function Sort the entries by keys using a user-defined comparison function.

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