function apachesolr_entityreference_indexing_callback in Apache Solr Search 7

Same name and namespace in other branches

1. 8 apachesolr.index.inc \apachesolr_entityreference_indexing_callback()

Indexing callback for entityreference fields.

Parameters

object $entity:

string $field_name:

string $index_key:

array $field_info:

Return value

array $fields

1 string reference to 'apachesolr_entityreference_indexing_callback'

entityreference_apachesolr_field_mappings in ./apachesolr.module

Implements hook_apachesolr_field_mappings() on behalf of EntityReferences (entityreference)

File

./apachesolr.index.inc, line 1387

Functions related to Apache Solr indexing operations.

Code

function apachesolr_entityreference_indexing_callback($entity, $field_name, $index_key, $field_info) {
  $fields = array();
  if (!empty($entity->{$field_name}) && array_key_exists(LANGUAGE_NONE, $entity->{$field_name})) {

    // Gets entity type and index key. We need to prefix the ID with the entity
    // type so we know what entity we are dealing with in the mapping callback.
    $entity_type = $field_info['field']['settings']['target_type'];
    $index_key = apachesolr_index_key($field_info);

    // Iterates over all references and adds them to the fields.
    foreach ($entity->{$field_name}[LANGUAGE_NONE] as $reference) {
      if ($id = !empty($reference['target_id']) ? $reference['target_id'] : FALSE) {
        $fields[] = array(
          'key' => $index_key,
          'value' => $entity_type . ':' . $id,
        );
      }
    }
  }
  return $fields;
}