Club Drupal

/**

 * Prime the cache to avoid single db queries for entity fields / properties.

 *

 * This is mainly uses when large operations are occuring like a flush of the

 * entity_property_infos().

 */

function i18n_field_prime_caches() {

  global $language;

  static $cache_primed;

  // Fill the cache. This should avoid single db queries when filling the

  // properties.

  if (empty($cache_primed)) {

    $cache_primed = TRUE;

    $text_group = i18n_string_textgroup('field');

    // Load all strings at once to avoid callbacks for each individual string.

    $text_group->load_strings();

    $text_group->multiple_translation_search(array('type' => '*', 'objectid' => '*', 'property' => '*'), $language->language);

  }

}

  i18n_field_prime_caches();

      // Use a lock to avoid stampeding.

      $lock_name = 'i18n_field_entity_property_callback_fallback:' . $GLOBALS['language']->language;

      // See if another request is already doing this. If so we bail out here as

      // we won't help with anything at the moment.

      if (!lock_may_be_available($lock_name)) {

        return;

      }

      if (lock_acquire($lock_name)) {

        i18n_field_prime_caches();

        // Inject translated properties.

        $entity_property_info = entity_get_property_info();

        foreach ($entity_property_info as $entity_type => $properties) {

          if (isset($properties['bundles'])) {

            foreach ($properties['bundles'] as $bundle => $bundle_properties) {

              if ($bundle_properties['properties']) {

                foreach ($bundle_properties['properties'] as $bundle_property => $bundle_property_info) {

                  if ($instance = field_info_instance($entity_type, $bundle_property, $bundle)) {

                    $property = &$entity_property_info[$entity_type]['bundles'][$instance['bundle']]['properties'][$bundle_property];

                    $property['label'] = i18n_field_translate_property($instance, 'label', $GLOBALS['language']->language);

                  }

                }

              }

            }

          }

        }

        // Inject into static cache.

        $entity_get_property_info = &drupal_static('entity_get_property_info', array());

        $entity_get_property_info = $entity_property_info;

        // Write permanent cache.

        cache_set('entity_property_info:' . $GLOBALS['language']->language, $entity_property_info);

        lock_release($lock_name);

      }