protected static function ResourceTestBase::isReferenceFieldDefinition in JSON:API 8
Same name and namespace in other branches
- 8.2 tests/src/Functional/ResourceTestBase.php \Drupal\Tests\jsonapi\Functional\ResourceTestBase::isReferenceFieldDefinition()
 
Determines if a given field definition is a reference field.
Parameters
\Drupal\Core\Field\FieldDefinitionInterface $field_definition: The field definition to inspect.
Return value
bool TRUE if the field definition is found to be a reference field. FALSE otherwise.
1 call to ResourceTestBase::isReferenceFieldDefinition()
- ResourceTestBase::getRelationshipFieldNames in tests/
src/ Functional/ ResourceTestBase.php  - Gets a list of relationship field names for the resource type under test.
 
File
- tests/
src/ Functional/ ResourceTestBase.php, line 2844  
Class
- ResourceTestBase
 - Subclass this for every JSON API resource type.
 
Namespace
Drupal\Tests\jsonapi\FunctionalCode
protected static function isReferenceFieldDefinition(FieldDefinitionInterface $field_definition) {
  /* @var \Drupal\Core\Field\TypedData\FieldItemDataDefinition $item_definition */
  $item_definition = $field_definition
    ->getItemDefinition();
  $main_property = $item_definition
    ->getMainPropertyName();
  $property_definition = $item_definition
    ->getPropertyDefinition($main_property);
  return $property_definition instanceof DataReferenceTargetDefinition;
}