protected function Migration::findMigrationDependencies in Drupal 9

Same name and namespace in other branches

1. 8 core/modules/migrate/src/Plugin/Migration.php \Drupal\migrate\Plugin\Migration::findMigrationDependencies()
2. 10 core/modules/migrate/src/Plugin/Migration.php \Drupal\migrate\Plugin\Migration::findMigrationDependencies()

Find migration dependencies from migration_lookup and sub_process plugins.

Parameters

array $process: A process configuration array.

Return value

array The migration dependencies.

1 call to Migration::findMigrationDependencies()

Migration::getMigrationDependencies in core/modules/migrate/src/Plugin/Migration.php

Get the dependencies for this migration.

File

core/modules/migrate/src/Plugin/Migration.php, line 627

Class

Migration

Defines the Migration plugin.

Namespace

Drupal\migrate\Plugin

Code

protected function findMigrationDependencies($process) {
  $return = [];
  foreach ($this
    ->getProcessNormalized($process) as $process_pipeline) {
    foreach ($process_pipeline as $plugin_configuration) {

      // If the migration uses a deriver and has a migration_lookup with
      // itself as the source migration, then skip adding dependencies.
      // Otherwise the migration will depend on all the variations of itself.
      // See d7_taxonomy_term for an example.
      if (isset($this->deriver) && $plugin_configuration['plugin'] === 'migration_lookup' && $plugin_configuration['migration'] == $this
        ->getBaseId()) {
        continue;
      }
      if (in_array($plugin_configuration['plugin'], [
        'migration',
        'migration_lookup',
      ], TRUE)) {
        $return = array_merge($return, (array) $plugin_configuration['migration']);
      }
      if (in_array($plugin_configuration['plugin'], [
        'iterator',
        'sub_process',
      ], TRUE)) {
        $return = array_merge($return, $this
          ->findMigrationDependencies($plugin_configuration['process']));
      }
    }
  }
  return $return;
}