ProcessPluginBase.php

<?php

namespace Drupal\paragraphs\Plugin\migrate\process;

use Drupal\Component\Plugin\ConfigurableInterface;
use Drupal\Component\Utility\NestedArray;
use Drupal\Core\Entity\EntityTypeBundleInfoInterface;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Drupal\migrate\ProcessPluginBase as MigrateProcessPluginBase;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Base class for Paragraphs process plugins.
 */
abstract class ProcessPluginBase extends MigrateProcessPluginBase implements ConfigurableInterface, ContainerFactoryPluginInterface {

  /**
   * The entity bundle info service.
   *
   * @var \Drupal\Core\Entity\EntityTypeBundleInfoInterface
   */
  protected $entityTypeBundleInfo;

  /**
   * {@inheritdoc}
   */
  public function __construct(array $configuration, $plugin_id, $plugin_definition, EntityTypeBundleInfoInterface $entity_type_bundle_info) {
    parent::__construct($configuration, $plugin_id, $plugin_definition);
    $this->entityTypeBundleInfo = $entity_type_bundle_info;
    $this
      ->setConfiguration($configuration);
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static($configuration, $plugin_id, $plugin_definition, $container
      ->get('entity_type.bundle.info'));
  }

  /**
   * {@inheritdoc}
   */
  public function getConfiguration() {
    return $this->configuration;
  }

  /**
   * {@inheritdoc}
   */
  public function setConfiguration(array $configuration) {
    $this->configuration = NestedArray::mergeDeep($this
      ->defaultConfiguration(), $configuration);
  }

  /**
   * {@inheritdoc}
   */
  public function defaultConfiguration() {
    return [];
  }

}