ContentEntityNullStorage.php

<?php

namespace Drupal\Core\Entity;

use Drupal\Core\Field\FieldDefinitionInterface;

/**
 * Defines a null entity storage.
 *
 * Used for content entity types that have no storage.
 */
class ContentEntityNullStorage extends ContentEntityStorageBase {
    
    /**
     * {@inheritdoc}
     */
    public function loadMultiple(?array $ids = NULL) {
        return [];
    }
    
    /**
     * {@inheritdoc}
     */
    protected function doLoadMultiple(?array $ids = NULL) {
    }
    
    /**
     * {@inheritdoc}
     */
    public function load($id) {
        return NULL;
    }
    
    /**
     * {@inheritdoc}
     */
    public function loadRevision($revision_id) {
        return NULL;
    }
    
    /**
     * {@inheritdoc}
     */
    public function loadMultipleRevisions(array $revision_ids) {
        return [];
    }
    
    /**
     * {@inheritdoc}
     */
    public function deleteRevision($revision_id) {
    }
    
    /**
     * {@inheritdoc}
     */
    public function loadByProperties(array $values = []) {
        return [];
    }
    
    /**
     * {@inheritdoc}
     */
    public function delete(array $entities) {
    }
    
    /**
     * {@inheritdoc}
     */
    protected function doDelete($entities) {
    }
    
    /**
     * {@inheritdoc}
     */
    public function save(EntityInterface $entity) {
    }
    
    /**
     * {@inheritdoc}
     */
    protected function getQueryServiceName() {
        return 'entity.query.null';
    }
    
    /**
     * {@inheritdoc}
     */
    protected function doLoadMultipleRevisionsFieldItems($revision_ids) {
        return [];
    }
    
    /**
     * {@inheritdoc}
     */
    protected function doSaveFieldItems(ContentEntityInterface $entity, array $names = []) {
    }
    
    /**
     * {@inheritdoc}
     */
    protected function doDeleteFieldItems($entities) {
    }
    
    /**
     * {@inheritdoc}
     */
    protected function doDeleteRevisionFieldItems(ContentEntityInterface $revision) {
    }
    
    /**
     * {@inheritdoc}
     */
    protected function readFieldItemsToPurge(FieldDefinitionInterface $field_definition, $batch_size) {
        return [];
    }
    
    /**
     * {@inheritdoc}
     */
    protected function purgeFieldItems(ContentEntityInterface $entity, FieldDefinitionInterface $field_definition) {
    }
    
    /**
     * {@inheritdoc}
     */
    protected function doSave($id, EntityInterface $entity) {
    }
    
    /**
     * {@inheritdoc}
     */
    protected function has($id, EntityInterface $entity) {
    }
    
    /**
     * {@inheritdoc}
     */
    public function countFieldData($storage_definition, $as_bool = FALSE) {
        return $as_bool ? FALSE : 0;
    }
    
    /**
     * {@inheritdoc}
     */
    public function hasData() {
        return FALSE;
    }

}