setReadOnly example

class EntityTestStringId extends EntityTest {

  /** * {@inheritdoc} */
  public static function baseFieldDefinitions(EntityTypeInterface $entity_type) {
    $fields = parent::baseFieldDefinitions($entity_type);
    $fields['id'] = BaseFieldDefinition::create('string')
      ->setLabel(t('ID'))
      ->setDescription(t('The ID of the test entity.'))
      ->setReadOnly(TRUE)
      // In order to work around the InnoDB 191 character limit on utf8mb4       // primary keys, we set the character set for the field to ASCII.       ->setSetting('is_ascii', TRUE);
    return $fields;
  }

}

$fields['computed_reference_field'] = BaseFieldDefinition::create('entity_reference')
      ->setLabel('Computed Reference Field Test')
      ->setComputed(TRUE)
      ->setSetting('target_type', 'entity_test')
      ->setClass(ComputedReferenceTestFieldItemList::class);

    $fields['computed_test_cacheable_string_field'] = BaseFieldDefinition::create('computed_test_cacheable_string_item')
      ->setLabel(new TranslatableMarkup('Computed Cacheable String Field Test'))
      ->setComputed(TRUE)
      ->setClass(ComputedTestCacheableStringItemList::class)
      ->setReadOnly(FALSE)
      ->setInternal(FALSE);

    return $fields;
  }

}

  public static function propertyDefinitions(FieldStorageDefinitionInterface $field_definition) {
    $properties['value'] = DataDefinition::create('string')
      ->setLabel(t('Language code'))
      ->setRequired(TRUE);

    $properties['language'] = DataReferenceDefinition::create('language')
      ->setLabel(t('Language object'))
      ->setDescription(t('The referenced language'))
      // The language object is retrieved via the language code.       ->setComputed(TRUE)
      ->setReadOnly(FALSE);

    return $properties;
  }

  /** * {@inheritdoc} */
  public static function schema(FieldStorageDefinitionInterface $field_definition) {
    return [
      'columns' => [
        'value' => [
          

/** * {@inheritdoc} */
  public static function baseFieldDefinitions(EntityTypeInterface $entity_type) {
    // This entity type is used for generating database dumps from Drupal     // 8.0.0-rc1, which didn't have the entity key base fields defined in     // the parent class (ContentEntityBase), so we have to duplicate them here.
    $fields[$entity_type->getKey('id')] = BaseFieldDefinition::create('integer')
      ->setLabel(new TranslatableMarkup('ID'))
      ->setDescription(new TranslatableMarkup('The ID of the test entity.'))
      ->setReadOnly(TRUE)
      ->setSetting('unsigned', TRUE);

    $fields[$entity_type->getKey('uuid')] = BaseFieldDefinition::create('uuid')
      ->setLabel(new TranslatableMarkup('UUID'))
      ->setDescription(new TranslatableMarkup('The UUID of the test entity.'))
      ->setReadOnly(TRUE);

    $fields[$entity_type->getKey('bundle')] = BaseFieldDefinition::create('string')
      ->setLabel(new TranslatableMarkup('Type'))
      ->setDescription(new TranslatableMarkup('The bundle of the test entity.'))
      ->setRequired(TRUE);

    

    public function setReadOnly()
    {
        $this->_allowModifications = false;
        foreach ($this->_data as $value) {
            if ($value instanceof Enlight_Config_BaseConfig) {
                $value->setReadOnly();
            }
        }
    }

    /** * Returns if this Enlight_Config_BaseConfig object is read only or not. * * @return bool */
    public function readOnly()
    {
        

$fields = parent::baseFieldDefinitions($entity_type);

    $fields['name']->setRevisionable(TRUE);
    $fields['user_id']->setRevisionable(TRUE);

    $fields['non_rev_field'] = BaseFieldDefinition::create('string')
      ->setLabel(t('Non Revisionable Field'))
      ->setDescription(t('A non-revisionable test field.'))
      ->setRevisionable(FALSE)
      ->setTranslatable(TRUE)
      ->setCardinality(1)
      ->setReadOnly(TRUE);

    return $fields;
  }

}

/** * Prevent any more modifications being made to this instance. Useful * after merge() has been used to merge multiple Zend_Config objects * into one object which should then not be modified again. * */
    public function setReadOnly()
    {
        $this->_allowModifications = false;
        foreach ($this->_data as $key => $value) {
            if ($value instanceof Zend_Config) {
                $value->setReadOnly();
            }
        }
    }

    /** * Returns if this Zend_Config object is read only or not. * * @return boolean */
    public function readOnly()
    {
        

class NoLanguageEntityTest extends ContentEntityBase {

  /** * {@inheritdoc} */
  public static function baseFieldDefinitions(EntityTypeInterface $entity_type) {
    $fields['id'] = BaseFieldDefinition::create('integer')
      ->setLabel(t('ID'))
      ->setDescription(t('The ID of the test entity.'))
      ->setReadOnly(TRUE)
      ->setSetting('unsigned', TRUE);

    $fields['uuid'] = BaseFieldDefinition::create('uuid')
      ->setLabel(t('UUID'))
      ->setDescription(t('The UUID of the test entity.'))
      ->setReadOnly(TRUE);

    return $fields;
  }

}

// Make sure that revisionable and translatable entity types are correctly     // defined.     if ($entity_type->isRevisionable() && $entity_type->isTranslatable()) {
      // The 'revision_translation_affected' field should always be defined.       // This field has been added unconditionally in Drupal 8.4.0 and it is       // overriding any pre-existing definition on purpose so that any       // differences are immediately available in the status report.       $base_field_definitions[$keys['revision_translation_affected']] = BaseFieldDefinition::create('boolean')
        ->setLabel($this->t('Revision translation affected'))
        ->setDescription($this->t('Indicates if the last edit of a translation belongs to current revision.'))
        ->setReadOnly(TRUE)
        ->setRevisionable(TRUE)
        ->setTranslatable(TRUE);
    }

    // Assign base field definitions the entity type provider.     $provider = $entity_type->getProvider();
    foreach ($base_field_definitions as $definition) {
      // @todo Remove this check once FieldDefinitionInterface exposes a proper       // provider setter. See https://www.drupal.org/node/2225961.       if ($definition instanceof BaseFieldDefinition) {
        $definition->setProvider($provider);
      }

->setRevisionable(TRUE)
      ->setTranslatable(TRUE)
      ->setDisplayOptions('view', [
        'type' => 'image',
        'weight' => 5,
        'label' => 'hidden',
        'settings' => [
          'image_style' => 'thumbnail',
        ],
      ])
      ->setDisplayConfigurable('view', TRUE)
      ->setReadOnly(TRUE);

    $fields['uid']
      ->setLabel(t('Authored by'))
      ->setDescription(t('The user ID of the author.'))
      ->setRevisionable(TRUE)
      ->setDisplayOptions('form', [
        'type' => 'entity_reference_autocomplete',
        'weight' => 5,
        'settings' => [
          'match_operator' => 'CONTAINS',
          'size' => '60',
          

$base_field_definitions['name']->setRevisionable(TRUE);
    $base_field_definitions['description']->setRevisionable(TRUE);
    $base_field_definitions['homepage']->setRevisionable(TRUE);
    $base_field_definitions['user_id']->setRevisionable(TRUE);

    $base_field_definitions['non_rev_field'] = BaseFieldDefinition::create('string')
      ->setLabel(t('Non Revisionable Field'))
      ->setDescription(t('A non-revisionable test field.'))
      ->setRevisionable(FALSE)
      ->setTranslatable(TRUE)
      ->setCardinality(1)
      ->setReadOnly(TRUE);

    $base_field_definitions['non_mul_field'] = BaseFieldDefinition::create('string')
      ->setLabel(t('Non translatable'))
      ->setDescription(t('A non-translatable string field'))
      ->setRevisionable(TRUE);

    $this->setUpEntityType($entity_type, $base_field_definitions);

    $data = $this->entityTypeManager->getHandler('entity_test_mulrev', 'views_data')->getViewsData();

    // Check the base fields.

'region' => 'hidden',
        'weight' => -5,
      ])
      ->setDisplayOptions('form', [
        'type' => 'moderation_state_default',
        'weight' => 100,
        'settings' => [],
      ])
      ->addConstraint('ModerationState', [])
      ->setDisplayConfigurable('form', TRUE)
      ->setDisplayConfigurable('view', FALSE)
      ->setReadOnly(FALSE)
      ->setTranslatable(TRUE);

    return $fields;
  }

  /** * Replaces the entity form entity object with a proper revision object. * * @param \Drupal\Core\Entity\EntityInterface $entity * The entity being edited. * @param string $operation * The entity form operation. * @param \Drupal\Core\Form\FormStateInterface $form_state * The form state. * * @see hook_entity_prepare_form() */

if ($revisionable) {
      // The 'langcode' is already available for the 'entity_test_update' entity       // type because it has the 'langcode' entity key defined.       $field_storage_definitions['langcode']->setRevisionable(TRUE);

      $field_storage_definitions['revision_id'] = BaseFieldDefinition::create('integer')
        ->setName('revision_id')
        ->setTargetEntityTypeId('entity_test_update')
        ->setTargetBundle(NULL)
        ->setLabel(new TranslatableMarkup('Revision ID'))
        ->setReadOnly(TRUE)
        ->setSetting('unsigned', TRUE);

      $field_storage_definitions['revision_default'] = BaseFieldDefinition::create('boolean')
        ->setName('revision_default')
        ->setTargetEntityTypeId('entity_test_update')
        ->setTargetBundle(NULL)
        ->setLabel(new TranslatableMarkup('Default revision'))
        ->setDescription(new TranslatableMarkup('A flag indicating whether this was a default revision when it was saved.'))
        ->setStorageRequired(TRUE)
        ->setInternal(TRUE)
        ->setTranslatable(FALSE)
        

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)
        

$target_id_definition = DataReferenceTargetDefinition::create('string')
        ->setLabel(new TranslatableMarkup('@label ID', ['@label' => $target_type_info->getLabel()]));
    }
    $target_id_definition->setRequired(TRUE);
    $properties['target_id'] = $target_id_definition;

    $properties['entity'] = DataReferenceDefinition::create('entity')
      ->setLabel($target_type_info->getLabel())
      ->setDescription(new TranslatableMarkup('The referenced entity'))
      // The entity object is computed out of the entity ID.       ->setComputed(TRUE)
      ->setReadOnly(FALSE)
      ->setTargetDefinition(EntityDataDefinition::create($settings['target_type']))
      // We can add a constraint for the target entity type. The list of       // referenceable bundles is a field setting, so the corresponding       // constraint is added dynamically in ::getConstraints().       ->addConstraint('EntityType', $settings['target_type']);

    return $properties;
  }

  /** * {@inheritdoc} */