ShortcutSet.php

<?php

namespace Drupal\shortcut\Plugin\migrate\source\d7;

use Drupal\migrate_drupal\Plugin\migrate\source\DrupalSqlBase;

/**
 * Drupal 7 shortcut_set source from database.
 *
 * @MigrateSource(
 *   id = "d7_shortcut_set",
 *   source_module = "shortcut"
 * )
 */
class ShortcutSet extends DrupalSqlBase {
    
    /**
     * {@inheritdoc}
     */
    public function query() {
        return $this->select('shortcut_set', 'ss')
            ->fields('ss');
    }
    
    /**
     * {@inheritdoc}
     */
    public function fields() {
        return [
            'set_name' => $this->t("The name under which the set's links are stored."),
            'title' => $this->t("The title of the set."),
        ];
    }
    
    /**
     * {@inheritdoc}
     */
    public function getIds() {
        $ids['set_name']['type'] = 'string';
        return $ids;
    }

}