class EmptySource

Same name in this branch
  1. 11.x core/modules/migrate/src/Plugin/migrate/source/EmptySource.php \Drupal\migrate\Plugin\migrate\source\EmptySource
Same name in other branches
  1. 9 core/modules/migrate_drupal/src/Plugin/migrate/source/EmptySource.php \Drupal\migrate_drupal\Plugin\migrate\source\EmptySource
  2. 9 core/modules/migrate/src/Plugin/migrate/source/EmptySource.php \Drupal\migrate\Plugin\migrate\source\EmptySource
  3. 8.9.x core/modules/migrate_drupal/src/Plugin/migrate/source/EmptySource.php \Drupal\migrate_drupal\Plugin\migrate\source\EmptySource
  4. 8.9.x core/modules/migrate/src/Plugin/migrate/source/EmptySource.php \Drupal\migrate\Plugin\migrate\source\EmptySource
  5. 10 core/modules/migrate_drupal/src/Plugin/migrate/source/EmptySource.php \Drupal\migrate_drupal\Plugin\migrate\source\EmptySource
  6. 10 core/modules/migrate/src/Plugin/migrate/source/EmptySource.php \Drupal\migrate\Plugin\migrate\source\EmptySource

Source returning an empty row with Drupal specific config dependencies.

For more information and available configuration keys, refer to the parent classes.

Plugin annotation


@MigrateSource(
  id = "md_empty",
  source_module = "system",
)

Hierarchy

  • class \Drupal\migrate_drupal\Plugin\migrate\source\EmptySource extends \Drupal\migrate\Plugin\migrate\source\EmptySource implements \Drupal\Core\Plugin\ContainerFactoryPluginInterface, \Drupal\Component\Plugin\DependentPluginInterface uses \Drupal\Core\Entity\DependencyTrait

Expanded class hierarchy of EmptySource

See also

\Drupal\migrate\Plugin\migrate\source\EmptySource

\Drupal\migrate\Plugin\migrate\source\SourcePluginBase

File

core/modules/migrate_drupal/src/Plugin/migrate/source/EmptySource.php, line 27

Namespace

Drupal\migrate_drupal\Plugin\migrate\source
View source 
class EmptySource extends BaseEmptySource implements ContainerFactoryPluginInterface, DependentPluginInterface {
    use DependencyTrait;
    
    /**
     * The entity type manager.
     *
     * @var \Drupal\Core\Entity\EntityTypeManagerInterface
     */
    protected $entityTypeManager;
    
    /**
     * {@inheritdoc}
     */
    public function __construct(array $configuration, $plugin_id, $plugin_definition, MigrationInterface $migration, EntityTypeManagerInterface $entity_type_manager) {
        parent::__construct($configuration, $plugin_id, $plugin_definition, $migration);
        $this->entityTypeManager = $entity_type_manager;
    }
    
    /**
     * {@inheritdoc}
     */
    public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition, ?MigrationInterface $migration = NULL) {
        return new static($configuration, $plugin_id, $plugin_definition, $migration, $container->get('entity_type.manager'));
    }
    
    /**
     * {@inheritdoc}
     */
    public function calculateDependencies() {
        // The empty source plugin supports the entity_type constant.
        if (isset($this->configuration['constants']['entity_type'])) {
            $this->addDependency('module', $this->entityTypeManager
                ->getDefinition($this->configuration['constants']['entity_type'])
                ->getProvider());
        }
        return $this->dependencies;
    }

}

Members

Title Modifiers Object type Summary Overriden Title Overrides
DependencyTrait::$dependencies protected property The object's dependencies.
DependencyTrait::addDependencies protected function Adds multiple dependencies.
DependencyTrait::addDependency protected function Adds a dependency.
EmptySource::$entityTypeManager protected property The entity type manager.
EmptySource::calculateDependencies public function Overrides DependentPluginInterface::calculateDependencies
EmptySource::create public static function Overrides ContainerFactoryPluginInterface::create
EmptySource::doCount protected function Overrides SourcePluginBase::doCount
EmptySource::fields public function Overrides MigrateSourceInterface::fields
EmptySource::getIds public function Overrides MigrateSourceInterface::getIds
EmptySource::initializeIterator public function Overrides SourcePluginBase::initializeIterator
EmptySource::__construct public function Overrides SourcePluginBase::__construct
EmptySource::__toString public function Allows class to decide how it will react when it is treated like a string. Overrides MigrateSourceInterface::__toString
MigrateSourceInterface::NOT_COUNTABLE constant Indicates that the source is not countable.
PluginInspectionInterface::getPluginDefinition public function Gets the definition of the plugin implementation. 6
PluginInspectionInterface::getPluginId public function Gets the plugin ID of the plugin instance. 2
SourcePluginBase::$cache protected property The backend cache.
SourcePluginBase::$cacheCounts protected property Whether this instance should cache the source count. 1
SourcePluginBase::$cacheKey protected property Key to use for caching counts.
SourcePluginBase::$currentRow protected property The current row from the query.
SourcePluginBase::$currentSourceIds protected property The primary key of the current row.
SourcePluginBase::$highWaterProperty protected property Information on the property used as the high-water mark.
SourcePluginBase::$highWaterStorage protected property The key-value storage for the high-water value.
SourcePluginBase::$idMap protected property The migration ID map.
SourcePluginBase::$iterator protected property The iterator to iterate over the source rows.
SourcePluginBase::$mapRowAdded protected property Flags whether source plugin will read the map row and add to data row.
SourcePluginBase::$migration protected property The entity migration object.
SourcePluginBase::$moduleHandler protected property The module handler service. 2
SourcePluginBase::$originalHighWater protected property The high water mark at the beginning of the import operation.
SourcePluginBase::$skipCount protected property Whether this instance should not attempt to count the source. 1
SourcePluginBase::$trackChanges protected property Flags whether to track changes to incoming data. 1
SourcePluginBase::aboveHighWater protected function Check if the incoming data is newer than what we've previously imported.
SourcePluginBase::count public function Gets the source count. 2
SourcePluginBase::current public function
SourcePluginBase::fetchNextRow protected function Position the iterator to the following row. 1
SourcePluginBase::getCache protected function Gets the cache object.
SourcePluginBase::getCurrentIds public function Gets the currentSourceIds data member.
SourcePluginBase::getHighWater protected function The current value of the high water mark.
SourcePluginBase::getHighWaterField protected function Get the name of the field used as the high watermark.
SourcePluginBase::getHighWaterProperty protected function Get information on the property used as the high watermark.
SourcePluginBase::getHighWaterStorage protected function Get the high water storage object.
SourcePluginBase::getIterator protected function Returns the iterator that will yield the row arrays to be processed.
SourcePluginBase::getModuleHandler protected function Gets the module handler.
SourcePluginBase::getSourceModule public function Overrides MigrateSourceInterface::getSourceModule
SourcePluginBase::key public function Gets the iterator key.
SourcePluginBase::next public function
SourcePluginBase::postRollback public function Overrides RollbackAwareInterface::postRollback
SourcePluginBase::prepareRow public function Overrides MigrateSourceInterface::prepareRow 49
SourcePluginBase::preRollback public function Overrides RollbackAwareInterface::preRollback
SourcePluginBase::rewind public function Rewinds the iterator. 1
SourcePluginBase::rowChanged protected function Checks if the incoming row has changed since our last import.
SourcePluginBase::saveHighWater protected function Save the new high water mark.
SourcePluginBase::valid public function Checks whether the iterator is currently valid.

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.