public function OgVocabMigrate::__construct in OG Vocabulary 7

General initialization of a Migration object.

Overrides DynamicMigration::__construct

File

includes/migrate/og_vocab.migrate.inc, line 21

Migrate plugin to populate the OG vocabulary field by the term references.

Class

OgVocabMigrate

@file Migrate plugin to populate the OG vocabulary field by the term references.

Code

public function __construct(array $arguments) {
  $this->arguments = $arguments;
  parent::__construct();
  $this->bundle = $bundle = $arguments['bundle'];
  $this->description = t('Populate the OG vocabulary field by the term references.');

  // Indicate we're updating existing data.
  $this->systemOfRecord = Migration::DESTINATION;
  $this->fieldNames = $this
    ->getTaxonomyFields();
  $query = db_select('node', 'n')
    ->fields('n')
    ->condition('n.type', $bundle)
    ->orderBy('n.nid');
  if (empty($this->fieldNames)) {

    // Falsify the query.
    $query
      ->condition('n.nid', 0, '=');
  }
  $this->query = $query;
  $key = array(
    'nid' => array(
      'type' => 'int',
      'not null' => TRUE,
    ),
  );
  $this->map = new MigrateSQLMap($this->machineName, $key, MigrateDestinationNode::getKeySchema());

  // Create a MigrateSource object, which manages retrieving the input data.
  $this->source = new MigrateSourceSQL($this->query);
  $this->destination = new MigrateDestinationNode($bundle);
  if (empty($this->fieldNames)) {
    return;
  }
  $this
    ->addFieldMapping('nid', 'nid');
  $this
    ->addFieldMapping(OG_VOCAB_FIELD, OG_VOCAB_FIELD);
}