DatabaseStorageList.php in Key-value Extensions 8

Namespace

Drupal\key_value\KeyValueStore

File

src/KeyValueStore/DatabaseStorageList.php

<?php

namespace Drupal\key_value\KeyValueStore;

class DatabaseStorageList extends DatabaseStorageSortedBase implements KeyValueStoreListInterface {

  /**
   * {@inheritdoc}
   */
  public function delete($count, $value) {

    // @todo
  }

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

    // @todo
  }

  /**
   * {@inheritdoc}
   */
  public function push($value) {
    $this
      ->pushMultiple([
      $value,
    ]);
  }

  /**
   * {@inheritdoc}
   */
  public function pushMultiple(array $values) {

    // @todo Find out if there's a way to do this query/sub-query combination
    // in one atomic operation.
    foreach ($values as $value) {
      $sub_query = $this->connection
        ->select($this->table, 't')
        ->condition('t.collection', $this->collection);
      $sub_query
        ->addExpression(':collection', 'collection', [
        ':collection' => $this->collection,
      ]);
      $sub_query
        ->addExpression('IFNULL(MAX(t.name) + 1, 0)', 'name');
      $sub_query
        ->addExpression(':value', 'value', [
        ':value' => $this->serializer
          ->encode($value),
      ]);
      $this->connection
        ->insert($this->table)
        ->from($sub_query)
        ->execute();
    }
  }

  /**
   * {@inheritdoc}
   */
  public function set($key, $value) {
    $this->connection
      ->update($this->table)
      ->fields([
      'value' => $this->serializer
        ->encode($value),
    ])
      ->condition('collection', $this->collection)
      ->condition('name', (int) $key)
      ->execute();
  }

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

    // @todo
  }

  /**
   * {@inheritdoc}
   */
  public function unshift($value) {

    // @todo
  }

  /**
   * {@inheritdoc}
   */
  public function unshiftMultiple(array $values) {

    // @todo
  }

}

Classes

Name	Description
DatabaseStorageList