function D7TaxonomyTermDeriver::getDerivativeDefinitions

Overrides DeriverBase::getDerivativeDefinitions

File

core/modules/taxonomy/src/Plugin/migrate/D7TaxonomyTermDeriver.php, line 61

Class

D7TaxonomyTermDeriver

Deriver for Drupal 7 taxonomy term migrations based on vocabularies.

Namespace

Code

public function getDerivativeDefinitions($base_plugin_definition) {
    $vocabulary_source_plugin = static::getSourcePlugin('d7_taxonomy_vocabulary');
    try {
        $vocabulary_source_plugin->checkRequirements();
    } catch (RequirementsException $e) {
        // If the d7_taxonomy_vocabulary requirements failed, that means we do not
        // have a Drupal source database configured - there is nothing to
        // generate.
        return $this->derivatives;
    }
    try {
        foreach ($vocabulary_source_plugin as $row) {
            $bundle = $row->getSourceProperty('machine_name');
            $values = $base_plugin_definition;
            $values['label'] = $this->t('@label (@type)', [
                '@label' => $values['label'],
                '@type' => $row->getSourceProperty('name'),
            ]);
            $values['source']['bundle'] = $bundle;
            $values['destination']['default_bundle'] = $bundle;
            
            /** @var \Drupal\migrate\Plugin\MigrationInterface $migration */
            $migration = \Drupal::service('plugin.manager.migration')->createStubMigration($values);
            $this->fieldDiscovery
                ->addBundleFieldProcesses($migration, 'taxonomy_term', $bundle);
            $this->derivatives[$bundle] = $migration->getPluginDefinition();
        }
    } catch (DatabaseExceptionWrapper $e) {
        // Once we begin iterating the source plugin it is possible that the
        // source tables will not exist. This can happen when the
        // MigrationPluginManager gathers up the migration definitions but we do
        // not actually have a Drupal 7 source database.
    }
    return $this->derivatives;
}