1. 8.5.x core/lib/Drupal/Core/Entity/ContentEntityBase.php ContentEntityBase
  2. 8.0.x core/lib/Drupal/Core/Entity/ContentEntityBase.php ContentEntityBase
  3. 8.1.x core/lib/Drupal/Core/Entity/ContentEntityBase.php ContentEntityBase
  4. 8.2.x core/lib/Drupal/Core/Entity/ContentEntityBase.php ContentEntityBase
  5. 8.3.x core/lib/Drupal/Core/Entity/ContentEntityBase.php ContentEntityBase
  6. 8.4.x core/lib/Drupal/Core/Entity/ContentEntityBase.php ContentEntityBase
  7. 8.6.x core/lib/Drupal/Core/Entity/ContentEntityBase.php ContentEntityBase

Implements Entity Field API specific enhancements to the Entity class.

Hierarchy

Expanded class hierarchy of ContentEntityBase

Related topics

16 files declare their use of ContentEntityBase
BlockContent.php in core/modules/block_content/src/Entity/BlockContent.php
Comment.php in core/modules/comment/src/Entity/Comment.php
ContentModerationState.php in core/modules/content_moderation/src/Entity/ContentModerationState.php
EntityTest.php in core/modules/system/tests/modules/entity_test/src/Entity/EntityTest.php
EntityTestUpdate.php in core/modules/system/tests/modules/entity_test_update/src/Entity/EntityTestUpdate.php

... See full list

File

core/lib/Drupal/Core/Entity/ContentEntityBase.php, line 21

Namespace

Drupal\Core\Entity
View source
abstract class ContentEntityBase extends Entity implements \IteratorAggregate, ContentEntityInterface, TranslationStatusInterface {

  /**
   * The plain data values of the contained fields.
   *
   * This always holds the original, unchanged values of the entity. The values
   * are keyed by language code, whereas LanguageInterface::LANGCODE_DEFAULT
   * is used for values in default language.
   *
   * @todo: Add methods for getting original fields and for determining
   * changes.
   * @todo: Provide a better way for defining default values.
   *
   * @var array
   */
  protected $values = [];

  /**
   * The array of fields, each being an instance of FieldItemListInterface.
   *
   * @var array
   */
  protected $fields = [];

  /**
   * Local cache for field definitions.
   *
   * @see ContentEntityBase::getFieldDefinitions()
   *
   * @var array
   */
  protected $fieldDefinitions;

  /**
   * Local cache for the available language objects.
   *
   * @var \Drupal\Core\Language\LanguageInterface[]
   */
  protected $languages;

  /**
   * The language entity key.
   *
   * @var string
   */
  protected $langcodeKey;

  /**
   * The default langcode entity key.
   *
   * @var string
   */
  protected $defaultLangcodeKey;

  /**
   * Language code identifying the entity active language.
   *
   * This is the language field accessors will use to determine which field
   * values manipulate.
   *
   * @var string
   */
  protected $activeLangcode = LanguageInterface::LANGCODE_DEFAULT;

  /**
   * Local cache for the default language code.
   *
   * @var string
   */
  protected $defaultLangcode;

  /**
   * An array of entity translation metadata.
   *
   * An associative array keyed by translation language code. Every value is an
   * array containing the translation status and the translation object, if it has
   * already been instantiated.
   *
   * @var array
   */
  protected $translations = [];

  /**
   * A flag indicating whether a translation object is being initialized.
   *
   * @var bool
   */
  protected $translationInitialize = FALSE;

  /**
   * Boolean indicating whether a new revision should be created on save.
   *
   * @var bool
   */
  protected $newRevision = FALSE;

  /**
   * Indicates whether this is the default revision.
   *
   * @var bool
   */
  protected $isDefaultRevision = TRUE;

  /**
   * Holds untranslatable entity keys such as the ID, bundle, and revision ID.
   *
   * @var array
   */
  protected $entityKeys = [];

  /**
   * Holds translatable entity keys such as the label.
   *
   * @var array
   */
  protected $translatableEntityKeys = [];

  /**
   * Whether entity validation was performed.
   *
   * @var bool
   */
  protected $validated = FALSE;

  /**
   * Whether entity validation is required before saving the entity.
   *
   * @var bool
   */
  protected $validationRequired = FALSE;

  /**
   * The loaded revision ID before the new revision was set.
   *
   * @var int
   */
  protected $loadedRevisionId;

  /**
   * {@inheritdoc}
   */
  public function __construct(array $values, $entity_type, $bundle = FALSE, $translations = []) {
    $this->entityTypeId = $entity_type;
    $this->entityKeys['bundle'] = $bundle ? $bundle : $this->entityTypeId;
    $this->langcodeKey = $this
      ->getEntityType()
      ->getKey('langcode');
    $this->defaultLangcodeKey = $this
      ->getEntityType()
      ->getKey('default_langcode');
    foreach ($values as $key => $value) {

      // If the key matches an existing property set the value to the property
      // to set properties like isDefaultRevision.
      // @todo: Should this be converted somehow?
      if (property_exists($this, $key) && isset($value[LanguageInterface::LANGCODE_DEFAULT])) {
        $this->{$key} = $value[LanguageInterface::LANGCODE_DEFAULT];
      }
    }
    $this->values = $values;
    foreach ($this
      ->getEntityType()
      ->getKeys() as $key => $field_name) {
      if (isset($this->values[$field_name])) {
        if (is_array($this->values[$field_name])) {

          // We store untranslatable fields into an entity key without using a
          // langcode key.
          if (!$this
            ->getFieldDefinition($field_name)
            ->isTranslatable()) {
            if (isset($this->values[$field_name][LanguageInterface::LANGCODE_DEFAULT])) {
              if (is_array($this->values[$field_name][LanguageInterface::LANGCODE_DEFAULT])) {
                if (isset($this->values[$field_name][LanguageInterface::LANGCODE_DEFAULT][0]['value'])) {
                  $this->entityKeys[$key] = $this->values[$field_name][LanguageInterface::LANGCODE_DEFAULT][0]['value'];
                }
              }
              else {
                $this->entityKeys[$key] = $this->values[$field_name][LanguageInterface::LANGCODE_DEFAULT];
              }
            }
          }
          else {

            // We save translatable fields such as the publishing status of a node
            // into an entity key array keyed by langcode as a performance
            // optimization, so we don't have to go through TypedData when we
            // need these values.
            foreach ($this->values[$field_name] as $langcode => $field_value) {
              if (is_array($this->values[$field_name][$langcode])) {
                if (isset($this->values[$field_name][$langcode][0]['value'])) {
                  $this->translatableEntityKeys[$key][$langcode] = $this->values[$field_name][$langcode][0]['value'];
                }
              }
              else {
                $this->translatableEntityKeys[$key][$langcode] = $this->values[$field_name][$langcode];
              }
            }
          }
        }
      }
    }

    // Initialize translations. Ensure we have at least an entry for the default
    // language.
    // We determine if the entity is new by checking in the entity values for
    // the presence of the id entity key, as the usage of ::isNew() is not
    // possible in the constructor.
    $data = isset($values[$this
      ->getEntityType()
      ->getKey('id')]) ? [
      'status' => static::TRANSLATION_EXISTING,
    ] : [
      'status' => static::TRANSLATION_CREATED,
    ];
    $this->translations[LanguageInterface::LANGCODE_DEFAULT] = $data;
    $this
      ->setDefaultLangcode();
    if ($translations) {
      foreach ($translations as $langcode) {
        if ($langcode != $this->defaultLangcode && $langcode != LanguageInterface::LANGCODE_DEFAULT) {
          $this->translations[$langcode] = $data;
        }
      }
    }
    if ($this
      ->getEntityType()
      ->isRevisionable()) {

      // Store the loaded revision ID the entity has been loaded with to
      // keep it safe from changes.
      $this
        ->updateLoadedRevisionId();
    }
  }

  /**
   * {@inheritdoc}
   */
  protected function getLanguages() {
    if (empty($this->languages)) {
      $this->languages = $this
        ->languageManager()
        ->getLanguages(LanguageInterface::STATE_ALL);

      // If the entity references a language that is not or no longer available,
      // we return a mock language object to avoid disrupting the consuming
      // code.
      if (!isset($this->languages[$this->defaultLangcode])) {
        $this->languages[$this->defaultLangcode] = new Language([
          'id' => $this->defaultLangcode,
        ]);
      }
    }
    return $this->languages;
  }

  /**
   * {@inheritdoc}
   */
  public function postCreate(EntityStorageInterface $storage) {
    $this->newRevision = TRUE;
  }

  /**
   * {@inheritdoc}
   */
  public function setNewRevision($value = TRUE) {
    if (!$this
      ->getEntityType()
      ->hasKey('revision')) {
      throw new \LogicException("Entity type {$this
        -&gt;<span class="php-function-or-constant function member-of-self">getEntityTypeId</span>()} does not support revisions.");
    }
    if ($value && !$this->newRevision) {

      // When saving a new revision, set any existing revision ID to NULL so as
      // to ensure that a new revision will actually be created.
      $this
        ->set($this
        ->getEntityType()
        ->getKey('revision'), NULL);

      // Make sure that the flag tracking which translations are affected by the
      // current revision is reset.
      foreach ($this->translations as $langcode => $data) {

        // But skip removed translations.
        if ($this
          ->hasTranslation($langcode)) {
          $this
            ->getTranslation($langcode)
            ->setRevisionTranslationAffected(NULL);
        }
      }
    }
    $this->newRevision = $value;
  }

  /**
   * {@inheritdoc}
   */
  public function getLoadedRevisionId() {
    return $this->loadedRevisionId;
  }

  /**
   * {@inheritdoc}
   */
  public function updateLoadedRevisionId() {
    $this->loadedRevisionId = $this
      ->getRevisionId() ?: $this->loadedRevisionId;
    return $this;
  }

  /**
   * {@inheritdoc}
   */
  public function isNewRevision() {
    return $this->newRevision || $this
      ->getEntityType()
      ->hasKey('revision') && !$this
      ->getRevisionId();
  }

  /**
   * {@inheritdoc}
   */
  public function isDefaultRevision($new_value = NULL) {
    $return = $this->isDefaultRevision;
    if (isset($new_value)) {
      $this->isDefaultRevision = (bool) $new_value;
    }

    // New entities should always ensure at least one default revision exists,
    // creating an entity without a default revision is an invalid state.
    return $this
      ->isNew() || $return;
  }

  /**
   * {@inheritdoc}
   */
  public function isRevisionTranslationAffected() {
    $field_name = $this
      ->getEntityType()
      ->getKey('revision_translation_affected');
    return $this
      ->hasField($field_name) ? $this
      ->get($field_name)->value : TRUE;
  }

  /**
   * {@inheritdoc}
   */
  public function setRevisionTranslationAffected($affected) {
    $field_name = $this
      ->getEntityType()
      ->getKey('revision_translation_affected');
    if ($this
      ->hasField($field_name)) {
      $this
        ->set($field_name, $affected);
    }
    return $this;
  }

  /**
   * {@inheritdoc}
   */
  public function isDefaultTranslation() {
    return $this->activeLangcode === LanguageInterface::LANGCODE_DEFAULT;
  }

  /**
   * {@inheritdoc}
   */
  public function getRevisionId() {
    return $this
      ->getEntityKey('revision');
  }

  /**
   * {@inheritdoc}
   */
  public function isTranslatable() {

    // Check that the bundle is translatable, the entity has a language defined
    // and if we have more than one language on the site.
    $bundles = $this
      ->entityManager()
      ->getBundleInfo($this->entityTypeId);
    return !empty($bundles[$this
      ->bundle()]['translatable']) && !$this
      ->getUntranslated()
      ->language()
      ->isLocked() && $this
      ->languageManager()
      ->isMultilingual();
  }

  /**
   * {@inheritdoc}
   */
  public function preSave(EntityStorageInterface $storage) {

    // An entity requiring validation should not be saved if it has not been
    // actually validated.
    if ($this->validationRequired && !$this->validated) {

      // @todo Make this an assertion in https://www.drupal.org/node/2408013.
      throw new \LogicException('Entity validation was skipped.');
    }
    else {
      $this->validated = FALSE;
    }
    parent::preSave($storage);
  }

  /**
   * {@inheritdoc}
   */
  public function preSaveRevision(EntityStorageInterface $storage, \stdClass $record) {
  }

  /**
   * {@inheritdoc}
   */
  public function postSave(EntityStorageInterface $storage, $update = TRUE) {
    parent::postSave($storage, $update);

    // Update the status of all saved translations.
    $removed = [];
    foreach ($this->translations as $langcode => &$data) {
      if ($data['status'] == static::TRANSLATION_REMOVED) {
        $removed[$langcode] = TRUE;
      }
      else {
        $data['status'] = static::TRANSLATION_EXISTING;
      }
    }
    $this->translations = array_diff_key($this->translations, $removed);
  }

  /**
   * {@inheritdoc}
   */
  public function validate() {
    $this->validated = TRUE;
    $violations = $this
      ->getTypedData()
      ->validate();
    return new EntityConstraintViolationList($this, iterator_to_array($violations));
  }

  /**
   * {@inheritdoc}
   */
  public function isValidationRequired() {
    return (bool) $this->validationRequired;
  }

  /**
   * {@inheritdoc}
   */
  public function setValidationRequired($required) {
    $this->validationRequired = $required;
    return $this;
  }

  /**
   * Clear entity translation object cache to remove stale references.
   */
  protected function clearTranslationCache() {
    foreach ($this->translations as &$translation) {
      unset($translation['entity']);
    }
  }

  /**
   * {@inheritdoc}
   */
  public function __sleep() {

    // Get the values of instantiated field objects, only serialize the values.
    foreach ($this->fields as $name => $fields) {
      foreach ($fields as $langcode => $field) {
        $this->values[$name][$langcode] = $field
          ->getValue();
      }
    }
    $this->fields = [];
    $this->fieldDefinitions = NULL;
    $this->languages = NULL;
    $this
      ->clearTranslationCache();
    return parent::__sleep();
  }

  /**
   * {@inheritdoc}
   */
  public function id() {
    return $this
      ->getEntityKey('id');
  }

  /**
   * {@inheritdoc}
   */
  public function bundle() {
    return $this
      ->getEntityKey('bundle');
  }

  /**
   * {@inheritdoc}
   */
  public function uuid() {
    return $this
      ->getEntityKey('uuid');
  }

  /**
   * {@inheritdoc}
   */
  public function hasField($field_name) {
    return (bool) $this
      ->getFieldDefinition($field_name);
  }

  /**
   * {@inheritdoc}
   */
  public function get($field_name) {
    if (!isset($this->fields[$field_name][$this->activeLangcode])) {
      return $this
        ->getTranslatedField($field_name, $this->activeLangcode);
    }
    return $this->fields[$field_name][$this->activeLangcode];
  }

  /**
   * Gets a translated field.
   *
   * @return \Drupal\Core\Field\FieldItemListInterface
   */
  protected function getTranslatedField($name, $langcode) {
    if ($this->translations[$this->activeLangcode]['status'] == static::TRANSLATION_REMOVED) {
      throw new \InvalidArgumentException("The entity object refers to a removed translation ({$this-&gt;<span class="php-function-or-constant property member-of-self">activeLangcode</span>}) and cannot be manipulated.");
    }

    // Populate $this->fields to speed-up further look-ups and to keep track of
    // fields objects, possibly holding changes to field values.
    if (!isset($this->fields[$name][$langcode])) {
      $definition = $this
        ->getFieldDefinition($name);
      if (!$definition) {
        throw new \InvalidArgumentException("Field {$name} is unknown.");
      }

      // Non-translatable fields are always stored with
      // LanguageInterface::LANGCODE_DEFAULT as key.
      $default = $langcode == LanguageInterface::LANGCODE_DEFAULT;
      if (!$default && !$definition
        ->isTranslatable()) {
        if (!isset($this->fields[$name][LanguageInterface::LANGCODE_DEFAULT])) {
          $this->fields[$name][LanguageInterface::LANGCODE_DEFAULT] = $this
            ->getTranslatedField($name, LanguageInterface::LANGCODE_DEFAULT);
        }
        $this->fields[$name][$langcode] =& $this->fields[$name][LanguageInterface::LANGCODE_DEFAULT];
      }
      else {
        $value = NULL;
        if (isset($this->values[$name][$langcode])) {
          $value = $this->values[$name][$langcode];
        }
        $field = \Drupal::service('plugin.manager.field.field_type')
          ->createFieldItemList($this
          ->getTranslation($langcode), $name, $value);
        if ($default) {

          // $this->defaultLangcode might not be set if we are initializing the
          // default language code cache, in which case there is no valid
          // langcode to assign.
          $field_langcode = isset($this->defaultLangcode) ? $this->defaultLangcode : LanguageInterface::LANGCODE_NOT_SPECIFIED;
        }
        else {
          $field_langcode = $langcode;
        }
        $field
          ->setLangcode($field_langcode);
        $this->fields[$name][$langcode] = $field;
      }
    }
    return $this->fields[$name][$langcode];
  }

  /**
   * {@inheritdoc}
   */
  public function set($name, $value, $notify = TRUE) {

    // Assign the value on the child and overrule notify such that we get
    // notified to handle changes afterwards. We can ignore notify as there is
    // no parent to notify anyway.
    $this
      ->get($name)
      ->setValue($value, TRUE);
    return $this;
  }

  /**
   * {@inheritdoc}
   */
  public function getFields($include_computed = TRUE) {
    $fields = [];
    foreach ($this
      ->getFieldDefinitions() as $name => $definition) {
      if ($include_computed || !$definition
        ->isComputed()) {
        $fields[$name] = $this
          ->get($name);
      }
    }
    return $fields;
  }

  /**
   * {@inheritdoc}
   */
  public function getTranslatableFields($include_computed = TRUE) {
    $fields = [];
    foreach ($this
      ->getFieldDefinitions() as $name => $definition) {
      if (($include_computed || !$definition
        ->isComputed()) && $definition
        ->isTranslatable()) {
        $fields[$name] = $this
          ->get($name);
      }
    }
    return $fields;
  }

  /**
   * {@inheritdoc}
   */
  public function getIterator() {
    return new \ArrayIterator($this
      ->getFields());
  }

  /**
   * {@inheritdoc}
   */
  public function getFieldDefinition($name) {
    if (!isset($this->fieldDefinitions)) {
      $this
        ->getFieldDefinitions();
    }
    if (isset($this->fieldDefinitions[$name])) {
      return $this->fieldDefinitions[$name];
    }
  }

  /**
   * {@inheritdoc}
   */
  public function getFieldDefinitions() {
    if (!isset($this->fieldDefinitions)) {
      $this->fieldDefinitions = $this
        ->entityManager()
        ->getFieldDefinitions($this->entityTypeId, $this
        ->bundle());
    }
    return $this->fieldDefinitions;
  }

  /**
   * {@inheritdoc}
   */
  public function toArray() {
    $values = [];
    foreach ($this
      ->getFields() as $name => $property) {
      $values[$name] = $property
        ->getValue();
    }
    return $values;
  }

  /**
   * {@inheritdoc}
   */
  public function access($operation, AccountInterface $account = NULL, $return_as_object = FALSE) {
    if ($operation == 'create') {
      return $this
        ->entityManager()
        ->getAccessControlHandler($this->entityTypeId)
        ->createAccess($this
        ->bundle(), $account, [], $return_as_object);
    }
    return $this
      ->entityManager()
      ->getAccessControlHandler($this->entityTypeId)
      ->access($this, $operation, $account, $return_as_object);
  }

  /**
   * {@inheritdoc}
   */
  public function language() {
    $language = NULL;
    if ($this->activeLangcode != LanguageInterface::LANGCODE_DEFAULT) {
      if (!isset($this->languages[$this->activeLangcode])) {
        $this
          ->getLanguages();
      }
      $language = $this->languages[$this->activeLangcode];
    }
    else {

      // @todo Avoid this check by getting the language from the language
      //   manager directly in https://www.drupal.org/node/2303877.
      if (!isset($this->languages[$this->defaultLangcode])) {
        $this
          ->getLanguages();
      }
      $language = $this->languages[$this->defaultLangcode];
    }
    return $language;
  }

  /**
   * Populates the local cache for the default language code.
   */
  protected function setDefaultLangcode() {

    // Get the language code if the property exists.
    // Try to read the value directly from the list of entity keys which got
    // initialized in __construct(). This avoids creating a field item object.
    if (isset($this->translatableEntityKeys['langcode'][$this->activeLangcode])) {
      $this->defaultLangcode = $this->translatableEntityKeys['langcode'][$this->activeLangcode];
    }
    elseif ($this
      ->hasField($this->langcodeKey) && ($item = $this
      ->get($this->langcodeKey)) && isset($item->language)) {
      $this->defaultLangcode = $item->language
        ->getId();
      $this->translatableEntityKeys['langcode'][$this->activeLangcode] = $this->defaultLangcode;
    }
    if (empty($this->defaultLangcode)) {

      // Make sure we return a proper language object, if the entity has a
      // langcode field, default to the site's default language.
      if ($this
        ->hasField($this->langcodeKey)) {
        $this->defaultLangcode = $this
          ->languageManager()
          ->getDefaultLanguage()
          ->getId();
      }
      else {
        $this->defaultLangcode = LanguageInterface::LANGCODE_NOT_SPECIFIED;
      }
    }

    // This needs to be initialized manually as it is skipped when instantiating
    // the language field object to avoid infinite recursion.
    if (!empty($this->fields[$this->langcodeKey])) {
      $this->fields[$this->langcodeKey][LanguageInterface::LANGCODE_DEFAULT]
        ->setLangcode($this->defaultLangcode);
    }
  }

  /**
   * Updates language for already instantiated fields.
   */
  protected function updateFieldLangcodes($langcode) {
    foreach ($this->fields as $name => $items) {
      if (!empty($items[LanguageInterface::LANGCODE_DEFAULT])) {
        $items[LanguageInterface::LANGCODE_DEFAULT]
          ->setLangcode($langcode);
      }
    }
  }

  /**
   * {@inheritdoc}
   */
  public function onChange($name) {

    // Check if the changed name is the value of an entity key and if the value
    // of that is currently cached, if so, reset it. Exclude the bundle from
    // that check, as it ready only and must not change, unsetting it could
    // lead to recursions.
    if ($key = array_search($name, $this
      ->getEntityType()
      ->getKeys())) {
      if ($key != 'bundle') {
        if (isset($this->entityKeys[$key])) {
          unset($this->entityKeys[$key]);
        }
        elseif (isset($this->translatableEntityKeys[$key][$this->activeLangcode])) {
          unset($this->translatableEntityKeys[$key][$this->activeLangcode]);
        }

        // If the revision identifier field is being populated with the original
        // value, we need to make sure the "new revision" flag is reset
        // accordingly.
        if ($key === 'revision' && $this
          ->getRevisionId() == $this
          ->getLoadedRevisionId() && !$this
          ->isNew()) {
          $this->newRevision = FALSE;
        }
      }
    }
    switch ($name) {
      case $this->langcodeKey:
        if ($this
          ->isDefaultTranslation()) {

          // Update the default internal language cache.
          $this
            ->setDefaultLangcode();
          if (isset($this->translations[$this->defaultLangcode])) {
            $message = SafeMarkup::format('A translation already exists for the specified language (@langcode).', [
              '@langcode' => $this->defaultLangcode,
            ]);
            throw new \InvalidArgumentException($message);
          }
          $this
            ->updateFieldLangcodes($this->defaultLangcode);
        }
        else {

          // @todo Allow the translation language to be changed. See
          //   https://www.drupal.org/node/2443989.
          $items = $this
            ->get($this->langcodeKey);
          if ($items->value != $this->activeLangcode) {
            $items
              ->setValue($this->activeLangcode, FALSE);
            $message = SafeMarkup::format('The translation language cannot be changed (@langcode).', [
              '@langcode' => $this->activeLangcode,
            ]);
            throw new \LogicException($message);
          }
        }
        break;
      case $this->defaultLangcodeKey:

        // @todo Use a standard method to make the default_langcode field
        //   read-only. See https://www.drupal.org/node/2443991.
        if (isset($this->values[$this->defaultLangcodeKey]) && $this
          ->get($this->defaultLangcodeKey)->value != $this
          ->isDefaultTranslation()) {
          $this
            ->get($this->defaultLangcodeKey)
            ->setValue($this
            ->isDefaultTranslation(), FALSE);
          $message = SafeMarkup::format('The default translation flag cannot be changed (@langcode).', [
            '@langcode' => $this->activeLangcode,
          ]);
          throw new \LogicException($message);
        }
        break;
    }
  }

  /**
   * {@inheritdoc}
   */
  public function getTranslation($langcode) {

    // Ensure we always use the default language code when dealing with the
    // original entity language.
    if ($langcode != LanguageInterface::LANGCODE_DEFAULT && $langcode == $this->defaultLangcode) {
      $langcode = LanguageInterface::LANGCODE_DEFAULT;
    }

    // Populate entity translation object cache so it will be available for all
    // translation objects.
    if ($langcode == $this->activeLangcode) {
      $this->translations[$langcode]['entity'] = $this;
    }

    // If we already have a translation object for the specified language we can
    // just return it.
    if (isset($this->translations[$langcode]['entity'])) {
      $translation = $this->translations[$langcode]['entity'];
    }
    elseif (isset($this->translations[$langcode])) {
      $translation = $this
        ->initializeTranslation($langcode);
      $this->translations[$langcode]['entity'] = $translation;
    }
    if (empty($translation)) {
      throw new \InvalidArgumentException("Invalid translation language ({$langcode}) specified.");
    }
    return $translation;
  }

  /**
   * {@inheritdoc}
   */
  public function getUntranslated() {
    return $this
      ->getTranslation(LanguageInterface::LANGCODE_DEFAULT);
  }

  /**
   * Instantiates a translation object for an existing translation.
   *
   * The translated entity will be a clone of the current entity with the
   * specified $langcode. All translations share the same field data structures
   * to ensure that all of them deal with fresh data.
   *
   * @param string $langcode
   *   The language code for the requested translation.
   *
   * @return \Drupal\Core\Entity\EntityInterface
   *   The translation object. The content properties of the translation object
   *   are stored as references to the main entity.
   */
  protected function initializeTranslation($langcode) {

    // If the requested translation is valid, clone it with the current language
    // as the active language. The $translationInitialize flag triggers a
    // shallow (non-recursive) clone.
    $this->translationInitialize = TRUE;
    $translation = clone $this;
    $this->translationInitialize = FALSE;
    $translation->activeLangcode = $langcode;

    // Ensure that changes to fields, values and translations are propagated
    // to all the translation objects.
    // @todo Consider converting these to ArrayObject.
    $translation->values =& $this->values;
    $translation->fields =& $this->fields;
    $translation->translations =& $this->translations;
    $translation->enforceIsNew =& $this->enforceIsNew;
    $translation->newRevision =& $this->newRevision;
    $translation->entityKeys =& $this->entityKeys;
    $translation->translatableEntityKeys =& $this->translatableEntityKeys;
    $translation->translationInitialize = FALSE;
    $translation->typedData = NULL;
    $translation->loadedRevisionId =& $this->loadedRevisionId;
    $translation->isDefaultRevision =& $this->isDefaultRevision;
    return $translation;
  }

  /**
   * {@inheritdoc}
   */
  public function hasTranslation($langcode) {
    if ($langcode == $this->defaultLangcode) {
      $langcode = LanguageInterface::LANGCODE_DEFAULT;
    }
    return !empty($this->translations[$langcode]['status']);
  }

  /**
   * {@inheritdoc}
   */
  public function isNewTranslation() {
    return $this->translations[$this->activeLangcode]['status'] == static::TRANSLATION_CREATED;
  }

  /**
   * {@inheritdoc}
   */
  public function addTranslation($langcode, array $values = []) {

    // Make sure we do not attempt to create a translation if an invalid
    // language is specified or the entity cannot be translated.
    $this
      ->getLanguages();
    if (!isset($this->languages[$langcode]) || $this
      ->hasTranslation($langcode) || $this->languages[$langcode]
      ->isLocked()) {
      throw new \InvalidArgumentException("Invalid translation language ({$langcode}) specified.");
    }
    if ($this->languages[$this->defaultLangcode]
      ->isLocked()) {
      throw new \InvalidArgumentException("The entity cannot be translated since it is language neutral ({$this-&gt;<span class="php-function-or-constant property member-of-self">defaultLangcode</span>}).");
    }

    // Initialize the translation object.

    /** @var \Drupal\Core\Entity\ContentEntityStorageInterface $storage */
    $storage = $this
      ->entityManager()
      ->getStorage($this
      ->getEntityTypeId());
    $this->translations[$langcode]['status'] = !isset($this->translations[$langcode]['status_existed']) ? static::TRANSLATION_CREATED : static::TRANSLATION_EXISTING;
    return $storage
      ->createTranslation($this, $langcode, $values);
  }

  /**
   * {@inheritdoc}
   */
  public function removeTranslation($langcode) {
    if (isset($this->translations[$langcode]) && $langcode != LanguageInterface::LANGCODE_DEFAULT && $langcode != $this->defaultLangcode) {
      foreach ($this
        ->getFieldDefinitions() as $name => $definition) {
        if ($definition
          ->isTranslatable()) {
          unset($this->values[$name][$langcode]);
          unset($this->fields[$name][$langcode]);
        }
      }

      // If removing a translation which has not been saved yet, then we have
      // to remove it completely so that ::getTranslationStatus returns the
      // proper status.
      if ($this->translations[$langcode]['status'] == static::TRANSLATION_CREATED) {
        unset($this->translations[$langcode]);
      }
      else {
        if ($this->translations[$langcode]['status'] == static::TRANSLATION_EXISTING) {
          $this->translations[$langcode]['status_existed'] = TRUE;
        }
        $this->translations[$langcode]['status'] = static::TRANSLATION_REMOVED;
      }
    }
    else {
      throw new \InvalidArgumentException("The specified translation ({$langcode}) cannot be removed.");
    }
  }

  /**
   * {@inheritdoc}
   */
  public function getTranslationStatus($langcode) {
    if ($langcode == $this->defaultLangcode) {
      $langcode = LanguageInterface::LANGCODE_DEFAULT;
    }
    return isset($this->translations[$langcode]) ? $this->translations[$langcode]['status'] : NULL;
  }

  /**
   * {@inheritdoc}
   */
  public function getTranslationLanguages($include_default = TRUE) {
    $translations = array_filter($this->translations, function ($translation) {
      return $translation['status'];
    });
    unset($translations[LanguageInterface::LANGCODE_DEFAULT]);
    if ($include_default) {
      $translations[$this->defaultLangcode] = TRUE;
    }

    // Now load language objects based upon translation langcodes.
    return array_intersect_key($this
      ->getLanguages(), $translations);
  }

  /**
   * Updates the original values with the interim changes.
   */
  public function updateOriginalValues() {
    if (!$this->fields) {
      return;
    }
    foreach ($this
      ->getFieldDefinitions() as $name => $definition) {
      if (!$definition
        ->isComputed() && !empty($this->fields[$name])) {
        foreach ($this->fields[$name] as $langcode => $item) {
          $item
            ->filterEmptyItems();
          $this->values[$name][$langcode] = $item
            ->getValue();
        }
      }
    }
  }

  /**
   * Implements the magic method for getting object properties.
   *
   * @todo: A lot of code still uses non-fields (e.g. $entity->content in view
   *   builders) by reference. Clean that up.
   */
  public function &__get($name) {

    // If this is an entity field, handle it accordingly. We first check whether
    // a field object has been already created. If not, we create one.
    if (isset($this->fields[$name][$this->activeLangcode])) {
      return $this->fields[$name][$this->activeLangcode];
    }

    // Inline getFieldDefinition() to speed things up.
    if (!isset($this->fieldDefinitions)) {
      $this
        ->getFieldDefinitions();
    }
    if (isset($this->fieldDefinitions[$name])) {
      $return = $this
        ->getTranslatedField($name, $this->activeLangcode);
      return $return;
    }

    // Else directly read/write plain values. That way, non-field entity
    // properties can always be accessed directly.
    if (!isset($this->values[$name])) {
      $this->values[$name] = NULL;
    }
    return $this->values[$name];
  }

  /**
   * Implements the magic method for setting object properties.
   *
   * Uses default language always.
   */
  public function __set($name, $value) {

    // Inline getFieldDefinition() to speed things up.
    if (!isset($this->fieldDefinitions)) {
      $this
        ->getFieldDefinitions();
    }

    // Handle Field API fields.
    if (isset($this->fieldDefinitions[$name])) {

      // Support setting values via property objects.
      if ($value instanceof TypedDataInterface) {
        $value = $value
          ->getValue();
      }

      // If a FieldItemList object already exists, set its value.
      if (isset($this->fields[$name][$this->activeLangcode])) {
        $this->fields[$name][$this->activeLangcode]
          ->setValue($value);
      }
      else {
        $this
          ->getTranslatedField($name, $this->activeLangcode)
          ->setValue($value);
      }
    }
    elseif ($name == 'translations') {
      $this->translations = $value;
    }
    else {
      $this->values[$name] = $value;
    }
  }

  /**
   * Implements the magic method for isset().
   */
  public function __isset($name) {

    // "Official" Field API fields are always set. For non-field properties,
    // check the internal values.
    return $this
      ->hasField($name) ? TRUE : isset($this->values[$name]);
  }

  /**
   * Implements the magic method for unset().
   */
  public function __unset($name) {

    // Unsetting a field means emptying it.
    if ($this
      ->hasField($name)) {
      $this
        ->get($name)
        ->setValue([]);
    }
    else {
      unset($this->values[$name]);
    }
  }

  /**
   * {@inheritdoc}
   */
  public function createDuplicate() {
    if ($this->translations[$this->activeLangcode]['status'] == static::TRANSLATION_REMOVED) {
      throw new \InvalidArgumentException("The entity object refers to a removed translation ({$this-&gt;<span class="php-function-or-constant property member-of-self">activeLangcode</span>}) and cannot be manipulated.");
    }
    $duplicate = clone $this;
    $entity_type = $this
      ->getEntityType();
    $duplicate->{$entity_type
      ->getKey('id')}->value = NULL;
    $duplicate
      ->enforceIsNew();

    // Check if the entity type supports UUIDs and generate a new one if so.
    if ($entity_type
      ->hasKey('uuid')) {
      $duplicate->{$entity_type
        ->getKey('uuid')}->value = $this
        ->uuidGenerator()
        ->generate();
    }

    // Check whether the entity type supports revisions and initialize it if so.
    if ($entity_type
      ->isRevisionable()) {
      $duplicate->{$entity_type
        ->getKey('revision')}->value = NULL;
      $duplicate->loadedRevisionId = NULL;
    }
    return $duplicate;
  }

  /**
   * Magic method: Implements a deep clone.
   */
  public function __clone() {

    // Avoid deep-cloning when we are initializing a translation object, since
    // it will represent the same entity, only with a different active language.
    if ($this->translationInitialize) {
      return;
    }

    // The translation is a different object, and needs its own TypedData
    // adapter object.
    $this->typedData = NULL;
    $definitions = $this
      ->getFieldDefinitions();

    // The translation cache has to be cleared before cloning the fields
    // below so that the call to getTranslation() does not re-use the
    // translation objects of the old entity but instead creates new
    // translation objects from the newly cloned entity. Otherwise the newly
    // cloned field item lists would hold references to the old translation
    // objects in their $parent property after the call to setContext().
    $this
      ->clearTranslationCache();

    // Because the new translation objects that are created below are
    // themselves created by *cloning* the newly cloned entity we need to
    // make sure that the references to property values are properly cloned
    // before cloning the fields. Otherwise calling
    // $items->getEntity()->isNew(), for example, would return the
    // $enforceIsNew value of the old entity.
    // Ensure the translations array is actually cloned by overwriting the
    // original reference with one pointing to a copy of the array.
    $translations = $this->translations;
    $this->translations =& $translations;

    // Ensure that the following properties are actually cloned by
    // overwriting the original references with ones pointing to copies of
    // them: enforceIsNew, newRevision, loadedRevisionId, fields, entityKeys,
    // translatableEntityKeys, values and isDefaultRevision.
    $enforce_is_new = $this->enforceIsNew;
    $this->enforceIsNew =& $enforce_is_new;
    $new_revision = $this->newRevision;
    $this->newRevision =& $new_revision;
    $original_revision_id = $this->loadedRevisionId;
    $this->loadedRevisionId =& $original_revision_id;
    $fields = $this->fields;
    $this->fields =& $fields;
    $entity_keys = $this->entityKeys;
    $this->entityKeys =& $entity_keys;
    $translatable_entity_keys = $this->translatableEntityKeys;
    $this->translatableEntityKeys =& $translatable_entity_keys;
    $values = $this->values;
    $this->values =& $values;
    $default_revision = $this->isDefaultRevision;
    $this->isDefaultRevision =& $default_revision;
    foreach ($this->fields as $name => $fields_by_langcode) {
      $this->fields[$name] = [];

      // Untranslatable fields may have multiple references for the same field
      // object keyed by language. To avoid creating different field objects
      // we retain just the original value, as references will be recreated
      // later as needed.
      if (!$definitions[$name]
        ->isTranslatable() && count($fields_by_langcode) > 1) {
        $fields_by_langcode = array_intersect_key($fields_by_langcode, [
          LanguageInterface::LANGCODE_DEFAULT => TRUE,
        ]);
      }
      foreach ($fields_by_langcode as $langcode => $items) {
        $this->fields[$name][$langcode] = clone $items;
        $this->fields[$name][$langcode]
          ->setContext($name, $this
          ->getTranslation($langcode)
          ->getTypedData());
      }
    }
  }

  /**
   * {@inheritdoc}
   */
  public function label() {
    $label = NULL;
    $entity_type = $this
      ->getEntityType();
    if (($label_callback = $entity_type
      ->getLabelCallback()) && is_callable($label_callback)) {
      $label = call_user_func($label_callback, $this);
    }
    elseif ($label_key = $entity_type
      ->getKey('label')) {
      $label = $this
        ->getEntityKey('label');
    }
    return $label;
  }

  /**
   * {@inheritdoc}
   */
  public function referencedEntities() {
    $referenced_entities = [];

    // Gather a list of referenced entities.
    foreach ($this
      ->getFields() as $field_items) {
      foreach ($field_items as $field_item) {

        // Loop over all properties of a field item.
        foreach ($field_item
          ->getProperties(TRUE) as $property) {
          if ($property instanceof EntityReference && ($entity = $property
            ->getValue())) {
            $referenced_entities[] = $entity;
          }
        }
      }
    }
    return $referenced_entities;
  }

  /**
   * Gets the value of the given entity key, if defined.
   *
   * @param string $key
   *   Name of the entity key, for example id, revision or bundle.
   *
   * @return mixed
   *   The value of the entity key, NULL if not defined.
   */
  protected function getEntityKey($key) {

    // If the value is known already, return it.
    if (isset($this->entityKeys[$key])) {
      return $this->entityKeys[$key];
    }
    if (isset($this->translatableEntityKeys[$key][$this->activeLangcode])) {
      return $this->translatableEntityKeys[$key][$this->activeLangcode];
    }

    // Otherwise fetch the value by creating a field object.
    $value = NULL;
    if ($this
      ->getEntityType()
      ->hasKey($key)) {
      $field_name = $this
        ->getEntityType()
        ->getKey($key);
      $definition = $this
        ->getFieldDefinition($field_name);
      $property = $definition
        ->getFieldStorageDefinition()
        ->getMainPropertyName();
      $value = $this
        ->get($field_name)->{$property};

      // Put it in the right array, depending on whether it is translatable.
      if ($definition
        ->isTranslatable()) {
        $this->translatableEntityKeys[$key][$this->activeLangcode] = $value;
      }
      else {
        $this->entityKeys[$key] = $value;
      }
    }
    else {
      $this->entityKeys[$key] = $value;
    }
    return $value;
  }

  /**
   * {@inheritdoc}
   */
  public static function baseFieldDefinitions(EntityTypeInterface $entity_type) {
    $fields = [];
    if ($entity_type
      ->hasKey('id')) {
      $fields[$entity_type
        ->getKey('id')] = BaseFieldDefinition::create('integer')
        ->setLabel(new TranslatableMarkup('ID'))
        ->setReadOnly(TRUE)
        ->setSetting('unsigned', TRUE);
    }
    if ($entity_type
      ->hasKey('uuid')) {
      $fields[$entity_type
        ->getKey('uuid')] = BaseFieldDefinition::create('uuid')
        ->setLabel(new TranslatableMarkup('UUID'))
        ->setReadOnly(TRUE);
    }
    if ($entity_type
      ->hasKey('revision')) {
      $fields[$entity_type
        ->getKey('revision')] = BaseFieldDefinition::create('integer')
        ->setLabel(new TranslatableMarkup('Revision ID'))
        ->setReadOnly(TRUE)
        ->setSetting('unsigned', TRUE);
    }
    if ($entity_type
      ->hasKey('langcode')) {
      $fields[$entity_type
        ->getKey('langcode')] = BaseFieldDefinition::create('language')
        ->setLabel(new TranslatableMarkup('Language'))
        ->setDisplayOptions('view', [
        'region' => 'hidden',
      ])
        ->setDisplayOptions('form', [
        'type' => 'language_select',
        'weight' => 2,
      ]);
      if ($entity_type
        ->isRevisionable()) {
        $fields[$entity_type
          ->getKey('langcode')]
          ->setRevisionable(TRUE);
      }
      if ($entity_type
        ->isTranslatable()) {
        $fields[$entity_type
          ->getKey('langcode')]
          ->setTranslatable(TRUE);
      }
    }
    if ($entity_type
      ->hasKey('bundle')) {
      if ($bundle_entity_type_id = $entity_type
        ->getBundleEntityType()) {
        $fields[$entity_type
          ->getKey('bundle')] = BaseFieldDefinition::create('entity_reference')
          ->setLabel($entity_type
          ->getBundleLabel())
          ->setSetting('target_type', $bundle_entity_type_id)
          ->setRequired(TRUE)
          ->setReadOnly(TRUE);
      }
      else {
        $fields[$entity_type
          ->getKey('bundle')] = BaseFieldDefinition::create('string')
          ->setLabel($entity_type
          ->getBundleLabel())
          ->setRequired(TRUE)
          ->setReadOnly(TRUE);
      }
    }
    return $fields;
  }

  /**
   * {@inheritdoc}
   */
  public static function bundleFieldDefinitions(EntityTypeInterface $entity_type, $bundle, array $base_field_definitions) {
    return [];
  }

  /**
   * Returns an array of field names to skip in ::hasTranslationChanges.
   *
   * @return array
   *   An array of field names.
   */
  protected function getFieldsToSkipFromTranslationChangesCheck() {

    /** @var \Drupal\Core\Entity\ContentEntityTypeInterface $entity_type */
    $entity_type = $this
      ->getEntityType();

    // A list of known revision metadata fields which should be skipped from
    // the comparision.
    $fields = [
      $entity_type
        ->getKey('revision'),
      'revision_translation_affected',
    ];
    $fields = array_merge($fields, array_values($entity_type
      ->getRevisionMetadataKeys()));
    return $fields;
  }

  /**
   * {@inheritdoc}
   */
  public function hasTranslationChanges() {
    if ($this
      ->isNew()) {
      return TRUE;
    }

    // $this->original only exists during save. See
    // \Drupal\Core\Entity\EntityStorageBase::save(). If it exists we re-use it
    // here for performance reasons.

    /** @var \Drupal\Core\Entity\ContentEntityBase $original */
    $original = $this->original ? $this->original : NULL;
    if (!$original) {
      $id = $this
        ->getOriginalId() !== NULL ? $this
        ->getOriginalId() : $this
        ->id();
      $original = $this
        ->entityManager()
        ->getStorage($this
        ->getEntityTypeId())
        ->loadUnchanged($id);
    }

    // If the current translation has just been added, we have a change.
    $translated = count($this->translations) > 1;
    if ($translated && !$original
      ->hasTranslation($this->activeLangcode)) {
      return TRUE;
    }

    // Compare field item current values with the original ones to determine
    // whether we have changes. If a field is not translatable and the entity is
    // translated we skip it because, depending on the use case, it would make
    // sense to mark all translations as changed or none of them. We skip also
    // computed fields as comparing them with their original values might not be
    // possible or be meaningless.

    /** @var \Drupal\Core\Entity\ContentEntityBase $translation */
    $translation = $original
      ->getTranslation($this->activeLangcode);

    // The list of fields to skip from the comparision.
    $skip_fields = $this
      ->getFieldsToSkipFromTranslationChangesCheck();
    foreach ($this
      ->getFieldDefinitions() as $field_name => $definition) {

      // @todo Avoid special-casing the following fields. See
      //    https://www.drupal.org/node/2329253.
      if (in_array($field_name, $skip_fields, TRUE)) {
        continue;
      }
      $field = $this
        ->get($field_name);

      // When saving entities in the user interface, the changed timestamp is
      // automatically incremented by ContentEntityForm::submitForm() even if
      // nothing was actually changed. Thus, the changed time needs to be
      // ignored when determining whether there are any actual changes in the
      // entity.
      if (!$field instanceof ChangedFieldItemList && !$definition
        ->isComputed()) {
        $items = $field
          ->filterEmptyItems();
        $original_items = $translation
          ->get($field_name)
          ->filterEmptyItems();
        if (!$items
          ->equals($original_items)) {
          return TRUE;
        }
      }
    }
    return FALSE;
  }

}

Members

Contains filters are case sensitive
Namesort descending Modifiers Type Description Overrides
ContentEntityBase::$activeLangcode protected property Language code identifying the entity active language.
ContentEntityBase::$defaultLangcode protected property Local cache for the default language code.
ContentEntityBase::$defaultLangcodeKey protected property The default langcode entity key.
ContentEntityBase::$entityKeys protected property Holds untranslatable entity keys such as the ID, bundle, and revision ID.
ContentEntityBase::$fieldDefinitions protected property Local cache for field definitions.
ContentEntityBase::$fields protected property The array of fields, each being an instance of FieldItemListInterface.
ContentEntityBase::$isDefaultRevision protected property Indicates whether this is the default revision.
ContentEntityBase::$langcodeKey protected property The language entity key.
ContentEntityBase::$languages protected property Local cache for the available language objects.
ContentEntityBase::$loadedRevisionId protected property The loaded revision ID before the new revision was set.
ContentEntityBase::$newRevision protected property Boolean indicating whether a new revision should be created on save.
ContentEntityBase::$translatableEntityKeys protected property Holds translatable entity keys such as the label.
ContentEntityBase::$translationInitialize protected property A flag indicating whether a translation object is being initialized.
ContentEntityBase::$translations protected property An array of entity translation metadata.
ContentEntityBase::$validated protected property Whether entity validation was performed.
ContentEntityBase::$validationRequired protected property Whether entity validation is required before saving the entity.
ContentEntityBase::$values protected property The plain data values of the contained fields.
ContentEntityBase::access public function Checks data value access. Overrides Entity::access
ContentEntityBase::addTranslation public function Adds a new translation to the translatable object. Overrides TranslatableInterface::addTranslation
ContentEntityBase::baseFieldDefinitions public static function Provides base field definitions for an entity type. Overrides FieldableEntityInterface::baseFieldDefinitions
ContentEntityBase::bundle public function Gets the bundle of the entity. Overrides Entity::bundle
ContentEntityBase::bundleFieldDefinitions public static function Provides field definitions for a specific bundle. Overrides FieldableEntityInterface::bundleFieldDefinitions
ContentEntityBase::clearTranslationCache protected function Clear entity translation object cache to remove stale references.
ContentEntityBase::createDuplicate public function Creates a duplicate of the entity. Overrides Entity::createDuplicate
ContentEntityBase::get public function Gets a field item list. Overrides FieldableEntityInterface::get
ContentEntityBase::getEntityKey protected function Gets the value of the given entity key, if defined.
ContentEntityBase::getFieldDefinition public function Gets the definition of a contained field. Overrides FieldableEntityInterface::getFieldDefinition
ContentEntityBase::getFieldDefinitions public function Gets an array of field definitions of all contained fields. Overrides FieldableEntityInterface::getFieldDefinitions
ContentEntityBase::getFields public function Gets an array of all field item lists. Overrides FieldableEntityInterface::getFields
ContentEntityBase::getFieldsToSkipFromTranslationChangesCheck protected function Returns an array of field names to skip in ::hasTranslationChanges.
ContentEntityBase::getIterator public function
ContentEntityBase::getLanguages protected function
ContentEntityBase::getLoadedRevisionId public function Gets the loaded Revision ID of the entity. Overrides ContentEntityInterface::getLoadedRevisionId
ContentEntityBase::getRevisionId public function Gets the revision identifier of the entity. Overrides RevisionableInterface::getRevisionId
ContentEntityBase::getTranslatableFields public function Gets an array of field item lists for translatable fields. Overrides FieldableEntityInterface::getTranslatableFields
ContentEntityBase::getTranslatedField protected function Gets a translated field.
ContentEntityBase::getTranslation public function Gets a translation of the data. Overrides TranslatableInterface::getTranslation
ContentEntityBase::getTranslationLanguages public function Returns the languages the data is translated to. Overrides TranslatableInterface::getTranslationLanguages
ContentEntityBase::getTranslationStatus public function Returns the translation status. Overrides TranslationStatusInterface::getTranslationStatus
ContentEntityBase::getUntranslated public function Returns the translatable object referring to the original language. Overrides TranslatableInterface::getUntranslated
ContentEntityBase::hasField public function Determines whether the entity has a field with the given name. Overrides FieldableEntityInterface::hasField
ContentEntityBase::hasTranslation public function Returns TRUE there is a translation for the given language code. Overrides TranslatableInterface::hasTranslation
ContentEntityBase::hasTranslationChanges public function Determines if the current translation of the entity has unsaved changes. Overrides ContentEntityInterface::hasTranslationChanges
ContentEntityBase::id public function Gets the identifier. Overrides Entity::id
ContentEntityBase::initializeTranslation protected function Instantiates a translation object for an existing translation.
ContentEntityBase::isDefaultRevision public function Checks if this entity is the default revision. Overrides RevisionableInterface::isDefaultRevision
ContentEntityBase::isDefaultTranslation public function Checks whether the translation is the default one. Overrides TranslatableInterface::isDefaultTranslation
ContentEntityBase::isNewRevision public function Determines whether a new revision should be created on save. Overrides RevisionableInterface::isNewRevision
ContentEntityBase::isNewTranslation public function Checks whether the translation is new. Overrides TranslatableInterface::isNewTranslation
ContentEntityBase::isRevisionTranslationAffected public function Checks whether the current translation is affected by the current revision. Overrides ContentEntityInterface::isRevisionTranslationAffected
ContentEntityBase::isTranslatable public function Returns the translation support status. Overrides TranslatableInterface::isTranslatable
ContentEntityBase::isValidationRequired public function Checks whether entity validation is required before saving the entity. Overrides FieldableEntityInterface::isValidationRequired
ContentEntityBase::label public function Gets the label of the entity. Overrides Entity::label
ContentEntityBase::language public function Gets the language of the entity. Overrides Entity::language
ContentEntityBase::onChange public function Reacts to changes to a field. Overrides FieldableEntityInterface::onChange
ContentEntityBase::postCreate public function Acts on a created entity before hooks are invoked. Overrides Entity::postCreate
ContentEntityBase::postSave public function Acts on a saved entity before the insert or update hook is invoked. Overrides Entity::postSave
ContentEntityBase::preSave public function Acts on an entity before the presave hook is invoked. Overrides Entity::preSave
ContentEntityBase::preSaveRevision public function Acts on a revision before it gets saved. Overrides RevisionableInterface::preSaveRevision
ContentEntityBase::referencedEntities public function Gets a list of entities referenced by this entity. Overrides Entity::referencedEntities
ContentEntityBase::removeTranslation public function Removes the translation identified by the given language code. Overrides TranslatableInterface::removeTranslation
ContentEntityBase::set public function Sets a field value. Overrides FieldableEntityInterface::set
ContentEntityBase::setDefaultLangcode protected function Populates the local cache for the default language code.
ContentEntityBase::setNewRevision public function Enforces an entity to be saved as a new revision. Overrides RevisionableInterface::setNewRevision
ContentEntityBase::setRevisionTranslationAffected public function Marks the current revision translation as affected. Overrides ContentEntityInterface::setRevisionTranslationAffected
ContentEntityBase::setValidationRequired public function Sets whether entity validation is required before saving the entity. Overrides FieldableEntityInterface::setValidationRequired
ContentEntityBase::toArray public function Gets an array of all property values. Overrides Entity::toArray
ContentEntityBase::updateFieldLangcodes protected function Updates language for already instantiated fields.
ContentEntityBase::updateLoadedRevisionId public function Updates the loaded Revision ID with the revision ID. Overrides ContentEntityInterface::updateLoadedRevisionId
ContentEntityBase::updateOriginalValues public function Updates the original values with the interim changes.
ContentEntityBase::uuid public function Gets the entity UUID (Universally Unique Identifier). Overrides Entity::uuid
ContentEntityBase::validate public function Validates the currently set values. Overrides FieldableEntityInterface::validate
ContentEntityBase::__clone public function Magic method: Implements a deep clone.
ContentEntityBase::__construct public function Constructs an Entity object. Overrides Entity::__construct
ContentEntityBase::__get public function Implements the magic method for getting object properties.
ContentEntityBase::__isset public function Implements the magic method for isset().
ContentEntityBase::__set public function Implements the magic method for setting object properties.
ContentEntityBase::__sleep public function Overrides Entity::__sleep
ContentEntityBase::__unset public function Implements the magic method for unset().
DependencySerializationTrait::$_serviceIds protected property An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep public function Prevents serializing any properties. Aliased as: traitSleep
DependencySerializationTrait::__wakeup public function
Entity::$enforceIsNew protected property Boolean indicating whether the entity should be forced to be new.
Entity::$entityTypeId protected property The entity type.
Entity::$typedData protected property A typed data object wrapping this entity.
Entity::create public static function Constructs a new entity object, without permanently saving it. Overrides EntityInterface::create
Entity::delete public function Deletes an entity permanently. Overrides EntityInterface::delete
Entity::enforceIsNew public function Enforces an entity to be new. Overrides EntityInterface::enforceIsNew
Entity::entityManager Deprecated protected function Gets the entity manager.
Entity::entityTypeManager protected function Gets the entity type manager.
Entity::getCacheContexts public function The cache contexts associated with this object. Overrides RefinableCacheableDependencyTrait::getCacheContexts
Entity::getCacheMaxAge public function The maximum age for which this object may be cached. Overrides RefinableCacheableDependencyTrait::getCacheMaxAge
Entity::getCacheTags public function The cache tags associated with this object. Overrides RefinableCacheableDependencyTrait::getCacheTags
Entity::getCacheTagsToInvalidate public function Returns the cache tags that should be used to invalidate caches. Overrides EntityInterface::getCacheTagsToInvalidate
Entity::getConfigDependencyKey public function Gets the key that is used to store configuration dependencies. Overrides EntityInterface::getConfigDependencyKey
Entity::getConfigDependencyName public function Gets the configuration dependency name. Overrides EntityInterface::getConfigDependencyName
Entity::getConfigTarget public function Gets the configuration target identifier for the entity. Overrides EntityInterface::getConfigTarget
Entity::getEntityType public function Gets the entity type definition. Overrides EntityInterface::getEntityType
Entity::getEntityTypeId public function Gets the ID of the type of the entity. Overrides EntityInterface::getEntityTypeId
Entity::getOriginalId public function Gets the original ID. Overrides EntityInterface::getOriginalId
Entity::getTypedData public function Gets a typed data object for this entity object. Overrides EntityInterface::getTypedData
Entity::hasLinkTemplate public function Indicates if a link template exists for a given key. Overrides EntityInterface::hasLinkTemplate
Entity::invalidateTagsOnDelete protected static function Invalidates an entity's cache tags upon delete.
Entity::invalidateTagsOnSave protected function Invalidates an entity's cache tags upon save.
Entity::isNew public function Determines whether the entity is new. Overrides EntityInterface::isNew
Entity::languageManager protected function Gets the language manager.
Entity::link public function Deprecated way of generating a link to the entity. See toLink(). Overrides EntityInterface::link
Entity::linkTemplates protected function Gets an array link templates.
Entity::load public static function Loads an entity. Overrides EntityInterface::load
Entity::loadMultiple public static function Loads one or more entities. Overrides EntityInterface::loadMultiple
Entity::postDelete public static function Acts on deleted entities before the delete hook is invoked. Overrides EntityInterface::postDelete
Entity::postLoad public static function Acts on loaded entities. Overrides EntityInterface::postLoad
Entity::preCreate public static function Changes the values of an entity before it is created. Overrides EntityInterface::preCreate
Entity::preDelete public static function Acts on entities before they are deleted and before hooks are invoked. Overrides EntityInterface::preDelete
Entity::save public function Saves an entity permanently. Overrides EntityInterface::save
Entity::setOriginalId public function Sets the original ID. Overrides EntityInterface::setOriginalId
Entity::toLink public function Generates the HTML for a link to this entity. Overrides EntityInterface::toLink
Entity::toUrl public function Gets the URL object for the entity. Overrides EntityInterface::toUrl
Entity::uriRelationships public function Gets a list of URI relationships supported by this entity. Overrides EntityInterface::uriRelationships
Entity::url public function Gets the public URL for this entity. Overrides EntityInterface::url
Entity::urlInfo public function Gets the URL object for the entity. Overrides EntityInterface::urlInfo
Entity::urlRouteParameters protected function Gets an array of placeholders for this entity.
Entity::uuidGenerator protected function Gets the UUID generator.
RefinableCacheableDependencyTrait::$cacheContexts protected property Cache contexts.
RefinableCacheableDependencyTrait::$cacheMaxAge protected property Cache max-age.
RefinableCacheableDependencyTrait::$cacheTags protected property Cache tags.
RefinableCacheableDependencyTrait::addCacheableDependency public function Adds a dependency on an object: merges its cacheability metadata. Overrides RefinableCacheableDependencyInterface::addCacheableDependency
RefinableCacheableDependencyTrait::addCacheContexts public function Adds cache contexts. Overrides RefinableCacheableDependencyInterface::addCacheContexts
RefinableCacheableDependencyTrait::addCacheTags public function Adds cache tags. Overrides RefinableCacheableDependencyInterface::addCacheTags
RefinableCacheableDependencyTrait::mergeCacheMaxAge public function Merges the maximum age (in seconds) with the existing maximum age. Overrides RefinableCacheableDependencyInterface::mergeCacheMaxAge
TranslationStatusInterface::TRANSLATION_CREATED constant Status code identifying a newly created translation.
TranslationStatusInterface::TRANSLATION_EXISTING constant Status code identifying an existing translation.
TranslationStatusInterface::TRANSLATION_REMOVED constant Status code identifying a removed translation.