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<?php
namespace Drupal\migrate;
/**
* The entity field definition trait.
*/
trait EntityFieldDefinitionTrait {
/**
* Gets the field definition from a specific entity base field.
*
* The method takes the field ID as an argument and returns the field storage
* definition to be used in getIds() by querying the destination entity base
* field definition.
*
* @param string $key
* The field ID key.
*
* @return array
* An associative array with a structure that contains the field type, keyed
* as 'type', together with field storage settings as they are returned by
* FieldStorageDefinitionInterface::getSettings().
*
* @see \Drupal\Core\Field\FieldStorageDefinitionInterface::getSettings()
*/
protected function getDefinitionFromEntity($key) {
$plugin_id = $this->getPluginId();
$entity_type_id = $this->getEntityTypeId($plugin_id);
/** @var \Drupal\Core\Field\FieldStorageDefinitionInterface[] $definitions */
$definitions = $this->entityFieldManager->getBaseFieldDefinitions($entity_type_id);
$field_definition = $definitions[$key];
return [
'type' => $field_definition->getType(),
] + $field_definition->getSettings();
}
/**
* Finds the entity type from configuration or plugin ID.
*
* @param string $plugin_id
* The plugin ID.
*
* @return string
* The entity type.
*/
protected static function getEntityTypeId($plugin_id) {
$entity_type_id = NULL;
if (strpos($plugin_id, static::DERIVATIVE_SEPARATOR)) {
[, $entity_type_id] = explode(static::DERIVATIVE_SEPARATOR, $plugin_id, 2);
}
return $entity_type_id;
}
}
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