public static function DynamicEntityReferenceItem::mainPropertyName in Dynamic Entity Reference 8

Same name and namespace in other branches

1. 8.2 src/Plugin/Field/FieldType/DynamicEntityReferenceItem.php \Drupal\dynamic_entity_reference\Plugin\Field\FieldType\DynamicEntityReferenceItem::mainPropertyName()

Returns the name of the main property, if any.

Some field items consist mainly of one main property, e.g. the value of a text field or the target_id of an entity reference. If the field item has no main property, the method returns NULL.

Return value

string|null The name of the value property, or NULL if there is none.

Overrides EntityReferenceItem::mainPropertyName

See also

\Drupal\Core\Field\BaseFieldDefinition

File

src/Plugin/Field/FieldType/DynamicEntityReferenceItem.php, line 410

Class

DynamicEntityReferenceItem

Defines the 'dynamic_entity_reference' entity field type.

Namespace

Drupal\dynamic_entity_reference\Plugin\Field\FieldType

Code

public static function mainPropertyName() {

  // Dynamic entity reference field has two main properties i.e. target_type
  // and target_id but for entity field query to evaluate the relationship
  // specifier correctly the main property is needed. It is also needed to
  // render the correct field value in views.
  return 'target_id';
}