public static function NodeMigrateType::getNodeMigrateType in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/migrate_drupal/src/NodeMigrateType.php \Drupal\migrate_drupal\NodeMigrateType::getNodeMigrateType()

Determines the type of node migration to be used.

The node complete migration is the default. It is not used when there are existing tables for dN_node.

@internal

Parameters

\Drupal\Core\Database\Connection $connection: The connection to the target database.

string|false $version: The Drupal version of the source database, FALSE if it cannot be determined.

Return value

string The migrate type.

2 calls to NodeMigrateType::getNodeMigrateType()

migrate_drupal_migration_plugins_alter in core/modules/migrate_drupal/migrate_drupal.module

Implements hook_migration_plugins_alter().

MigrationConfigurationTrait::getMigrations in core/modules/migrate_drupal/src/MigrationConfigurationTrait.php

Gets the migrations for import.

File

core/modules/migrate_drupal/src/NodeMigrateType.php, line 42

Class

NodeMigrateType

Provides a class to determine the type of migration.

Namespace

Drupal\migrate_drupal

Code

public static function getNodeMigrateType(Connection $connection, $version) {
  $migrate_node_migrate_type_classic = Settings::get('migrate_node_migrate_type_classic', FALSE);
  if ($migrate_node_migrate_type_classic) {
    return static::NODE_MIGRATE_TYPE_CLASSIC;
  }
  $migrate_type = static::NODE_MIGRATE_TYPE_COMPLETE;
  if ($version) {

    // Create the variable name, 'node_has_rows' or 'node_complete_exists' and
    // set it the default value, FALSE.
    $node_has_rows = FALSE;
    $node_complete_has_rows = FALSE;

    // Find out what migrate map tables have rows for the node migrations.
    // It is either the classic, 'dN_node', or the complete,
    // 'dN_node_complete', or both. This is used to determine which migrations
    // are run and if migrations using the node migrations in a
    // migration_lookup are altered.
    $bases = [
      'node',
      'node_complete',
    ];
    $tables = $connection
      ->schema()
      ->findTables('migrate_map_d' . $version . '_node%');
    foreach ($bases as $base) {
      $has_rows = $base . '_has_rows';
      $base_tables = preg_grep('/^migrate_map_d' . $version . '_' . $base . '_{2}.*$/', $tables);

      // Set the has_rows True when a map table has rows with a positive
      // count for the matched migration.
      foreach ($base_tables as $base_table) {
        if ($connection
          ->schema()
          ->tableExists($base_table)) {
          $count = $connection
            ->select($base_table)
            ->countQuery()
            ->execute()
            ->fetchField();
          if ($count > 0) {
            ${$has_rows} = TRUE;
            break;
          }
        }
      }
    }

    // Set the node migration type to use.
    if ($node_has_rows && !$node_complete_has_rows) {
      $migrate_type = static::NODE_MIGRATE_TYPE_CLASSIC;
    }
  }
  return $migrate_type;
}