function BaseFieldDefinition::getUniqueIdentifier

Returns a unique identifier for the field.

Return value

string

Overrides FieldDefinitionInterface::getUniqueIdentifier

File

core/lib/Drupal/Core/Field/BaseFieldDefinition.php, line 746

Class

BaseFieldDefinition

A class for defining entity fields.

Namespace

Code

public function getUniqueIdentifier() {
  // If we have a specified target bundle, we're dealing with a bundle base
  // field definition, so we need to include it in the unique identifier.
  if ($this->getTargetBundle()) {
    return $this->getTargetEntityTypeId() . '-' . $this->getTargetBundle() . '-' . $this->getName();
  }
  return $this->getUniqueStorageIdentifier();
}